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Signed-off-by: Daniel Nephin <dnephin@docker.com>
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Daniel Nephin 2016-09-22 14:11:08 -04:00 committed by Tibor Vass
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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-commit - Create a new image from a container's changes
# SYNOPSIS
**docker commit**
[**-a**|**--author**[=*AUTHOR*]]
[**-c**|**--change**[=\[*DOCKERFILE INSTRUCTIONS*\]]]
[**--help**]
[**-m**|**--message**[=*MESSAGE*]]
[**-p**|**--pause**[=*true*]]
CONTAINER [REPOSITORY[:TAG]]
# DESCRIPTION
Create a new image from an existing container specified by name or
container ID. The new image will contain the contents of the
container filesystem, *excluding* any data volumes. Refer to **docker-tag(1)**
for more information about valid image and tag names.
While the `docker commit` command is a convenient way of extending an
existing image, you should prefer the use of a Dockerfile and `docker
build` for generating images that you intend to share with other
people.
# OPTIONS
**-a**, **--author**=""
Author (e.g., "John Hannibal Smith <hannibal@a-team.com>")
**-c** , **--change**=[]
Apply specified Dockerfile instructions while committing the image
Supported Dockerfile instructions: `CMD`|`ENTRYPOINT`|`ENV`|`EXPOSE`|`LABEL`|`ONBUILD`|`USER`|`VOLUME`|`WORKDIR`
**--help**
Print usage statement
**-m**, **--message**=""
Commit message
**-p**, **--pause**=*true*|*false*
Pause container during commit. The default is *true*.
# EXAMPLES
## Creating a new image from an existing container
An existing Fedora based container has had Apache installed while running
in interactive mode with the bash shell. Apache is also running. To
create a new image run `docker ps` to find the container's ID and then run:
# docker commit -m="Added Apache to Fedora base image" \
-a="A D Ministrator" 98bd7fc99854 fedora/fedora_httpd:20
Note that only a-z0-9-_. are allowed when naming images from an
existing container.
## Apply specified Dockerfile instructions while committing the image
If an existing container was created without the DEBUG environment
variable set to "true", you can create a new image based on that
container by first getting the container's ID with `docker ps` and
then running:
# docker commit -c="ENV DEBUG true" 98bd7fc99854 debug-image
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and in
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
July 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
Oct 2014, updated by Daniel, Dao Quang Minh <daniel at nitrous dot io>
June 2015, updated by Sally O'Malley <somalley@redhat.com>

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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-create - Create a new container
# SYNOPSIS
**docker create**
[**-a**|**--attach**[=*[]*]]
[**--add-host**[=*[]*]]
[**--blkio-weight**[=*[BLKIO-WEIGHT]*]]
[**--blkio-weight-device**[=*[]*]]
[**--cpu-shares**[=*0*]]
[**--cap-add**[=*[]*]]
[**--cap-drop**[=*[]*]]
[**--cgroup-parent**[=*CGROUP-PATH*]]
[**--cidfile**[=*CIDFILE*]]
[**--cpu-count**[=*0*]]
[**--cpu-percent**[=*0*]]
[**--cpu-period**[=*0*]]
[**--cpu-quota**[=*0*]]
[**--cpu-rt-period**[=*0*]]
[**--cpu-rt-runtime**[=*0*]]
[**--cpus**[=*0.0*]]
[**--cpuset-cpus**[=*CPUSET-CPUS*]]
[**--cpuset-mems**[=*CPUSET-MEMS*]]
[**--device**[=*[]*]]
[**--device-read-bps**[=*[]*]]
[**--device-read-iops**[=*[]*]]
[**--device-write-bps**[=*[]*]]
[**--device-write-iops**[=*[]*]]
[**--dns**[=*[]*]]
[**--dns-search**[=*[]*]]
[**--dns-option**[=*[]*]]
[**-e**|**--env**[=*[]*]]
[**--entrypoint**[=*ENTRYPOINT*]]
[**--env-file**[=*[]*]]
[**--expose**[=*[]*]]
[**--group-add**[=*[]*]]
[**-h**|**--hostname**[=*HOSTNAME*]]
[**--help**]
[**-i**|**--interactive**]
[**--ip**[=*IPv4-ADDRESS*]]
[**--ip6**[=*IPv6-ADDRESS*]]
[**--ipc**[=*IPC*]]
[**--isolation**[=*default*]]
[**--kernel-memory**[=*KERNEL-MEMORY*]]
[**-l**|**--label**[=*[]*]]
[**--label-file**[=*[]*]]
[**--link**[=*[]*]]
[**--link-local-ip**[=*[]*]]
[**--log-driver**[=*[]*]]
[**--log-opt**[=*[]*]]
[**-m**|**--memory**[=*MEMORY*]]
[**--mac-address**[=*MAC-ADDRESS*]]
[**--memory-reservation**[=*MEMORY-RESERVATION*]]
[**--memory-swap**[=*LIMIT*]]
[**--memory-swappiness**[=*MEMORY-SWAPPINESS*]]
[**--name**[=*NAME*]]
[**--network-alias**[=*[]*]]
[**--network**[=*"bridge"*]]
[**--oom-kill-disable**]
[**--oom-score-adj**[=*0*]]
[**-P**|**--publish-all**]
[**-p**|**--publish**[=*[]*]]
[**--pid**[=*[PID]*]]
[**--userns**[=*[]*]]
[**--pids-limit**[=*PIDS_LIMIT*]]
[**--privileged**]
[**--read-only**]
[**--restart**[=*RESTART*]]
[**--rm**]
[**--security-opt**[=*[]*]]
[**--storage-opt**[=*[]*]]
[**--stop-signal**[=*SIGNAL*]]
[**--stop-timeout**[=*TIMEOUT*]]
[**--shm-size**[=*[]*]]
[**--sysctl**[=*[]*]]
[**-t**|**--tty**]
[**--tmpfs**[=*[CONTAINER-DIR[:<OPTIONS>]*]]
[**-u**|**--user**[=*USER*]]
[**--ulimit**[=*[]*]]
[**--uts**[=*[]*]]
[**-v**|**--volume**[=*[[HOST-DIR:]CONTAINER-DIR[:OPTIONS]]*]]
[**--volume-driver**[=*DRIVER*]]
[**--volumes-from**[=*[]*]]
[**-w**|**--workdir**[=*WORKDIR*]]
IMAGE [COMMAND] [ARG...]
# DESCRIPTION
Creates a writeable container layer over the specified image and prepares it for
running the specified command. The container ID is then printed to STDOUT. This
is similar to **docker run -d** except the container is never started. You can
then use the **docker start <container_id>** command to start the container at
any point.
The initial status of the container created with **docker create** is 'created'.
# OPTIONS
**-a**, **--attach**=[]
Attach to STDIN, STDOUT or STDERR.
**--add-host**=[]
Add a custom host-to-IP mapping (host:ip)
**--blkio-weight**=*0*
Block IO weight (relative weight) accepts a weight value between 10 and 1000.
**--blkio-weight-device**=[]
Block IO weight (relative device weight, format: `DEVICE_NAME:WEIGHT`).
**--cpu-shares**=*0*
CPU shares (relative weight)
**--cap-add**=[]
Add Linux capabilities
**--cap-drop**=[]
Drop Linux capabilities
**--cgroup-parent**=""
Path to cgroups under which the cgroup for the container will be created. If the path is not absolute, the path is considered to be relative to the cgroups path of the init process. Cgroups will be created if they do not already exist.
**--cidfile**=""
Write the container ID to the file
**--cpu-count**=*0*
Limit the number of CPUs available for execution by the container.
On Windows Server containers, this is approximated as a percentage of total CPU usage.
On Windows Server containers, the processor resource controls are mutually exclusive, the order of precedence is CPUCount first, then CPUShares, and CPUPercent last.
**--cpu-percent**=*0*
Limit the percentage of CPU available for execution by a container running on a Windows daemon.
On Windows Server containers, the processor resource controls are mutually exclusive, the order of precedence is CPUCount first, then CPUShares, and CPUPercent last.
**--cpu-period**=*0*
Limit the CPU CFS (Completely Fair Scheduler) period
Limit the container's CPU usage. This flag tell the kernel to restrict the container's CPU usage to the period you specify.
**--cpuset-cpus**=""
CPUs in which to allow execution (0-3, 0,1)
**--cpuset-mems**=""
Memory nodes (MEMs) in which to allow execution (0-3, 0,1). Only effective on NUMA systems.
If you have four memory nodes on your system (0-3), use `--cpuset-mems=0,1`
then processes in your Docker container will only use memory from the first
two memory nodes.
**--cpu-quota**=*0*
Limit the CPU CFS (Completely Fair Scheduler) quota
**--cpu-rt-period**=0
Limit the CPU real-time period in microseconds
Limit the container's Real Time CPU usage. This flag tell the kernel to restrict the container's Real Time CPU usage to the period you specify.
**--cpu-rt-runtime**=0
Limit the CPU real-time runtime in microseconds
Limit the containers Real Time CPU usage. This flag tells the kernel to limit the amount of time in a given CPU period Real Time tasks may consume. Ex:
Period of 1,000,000us and Runtime of 950,000us means that this container could consume 95% of available CPU and leave the remaining 5% to normal priority tasks.
The sum of all runtimes across containers cannot exceed the amount allotted to the parent cgroup.
**--cpus**=0.0
Number of CPUs. The default is *0.0*.
**--device**=[]
Add a host device to the container (e.g. --device=/dev/sdc:/dev/xvdc:rwm)
**--device-read-bps**=[]
Limit read rate (bytes per second) from a device (e.g. --device-read-bps=/dev/sda:1mb)
**--device-read-iops**=[]
Limit read rate (IO per second) from a device (e.g. --device-read-iops=/dev/sda:1000)
**--device-write-bps**=[]
Limit write rate (bytes per second) to a device (e.g. --device-write-bps=/dev/sda:1mb)
**--device-write-iops**=[]
Limit write rate (IO per second) to a device (e.g. --device-write-iops=/dev/sda:1000)
**--dns**=[]
Set custom DNS servers
**--dns-option**=[]
Set custom DNS options
**--dns-search**=[]
Set custom DNS search domains (Use --dns-search=. if you don't wish to set the search domain)
**-e**, **--env**=[]
Set environment variables
**--entrypoint**=""
Overwrite the default ENTRYPOINT of the image
**--env-file**=[]
Read in a line-delimited file of environment variables
**--expose**=[]
Expose a port or a range of ports (e.g. --expose=3300-3310) from the container without publishing it to your host
**--group-add**=[]
Add additional groups to run as
**-h**, **--hostname**=""
Container host name
**--help**
Print usage statement
**-i**, **--interactive**=*true*|*false*
Keep STDIN open even if not attached. The default is *false*.
**--ip**=""
Sets the container's interface IPv4 address (e.g. 172.23.0.9)
It can only be used in conjunction with **--network** for user-defined networks
**--ip6**=""
Sets the container's interface IPv6 address (e.g. 2001:db8::1b99)
It can only be used in conjunction with **--network** for user-defined networks
**--ipc**=""
Default is to create a private IPC namespace (POSIX SysV IPC) for the container
'container:<name|id>': reuses another container shared memory, semaphores and message queues
'host': use the host shared memory,semaphores and message queues inside the container. Note: the host mode gives the container full access to local shared memory and is therefore considered insecure.
**--isolation**="*default*"
Isolation specifies the type of isolation technology used by containers. Note
that the default on Windows server is `process`, and the default on Windows client
is `hyperv`. Linux only supports `default`.
**--kernel-memory**=""
Kernel memory limit (format: `<number>[<unit>]`, where unit = b, k, m or g)
Constrains the kernel memory available to a container. If a limit of 0
is specified (not using `--kernel-memory`), the container's kernel memory
is not limited. If you specify a limit, it may be rounded up to a multiple
of the operating system's page size and the value can be very large,
millions of trillions.
**-l**, **--label**=[]
Adds metadata to a container (e.g., --label=com.example.key=value)
**--label-file**=[]
Read labels from a file. Delimit each label with an EOL.
**--link**=[]
Add link to another container in the form of <name or id>:alias or just
<name or id> in which case the alias will match the name.
**--link-local-ip**=[]
Add one or more link-local IPv4/IPv6 addresses to the container's interface
**--log-driver**="*json-file*|*syslog*|*journald*|*gelf*|*fluentd*|*awslogs*|*splunk*|*etwlogs*|*gcplogs*|*none*"
Logging driver for the container. Default is defined by daemon `--log-driver` flag.
**Warning**: the `docker logs` command works only for the `json-file` and
`journald` logging drivers.
**--log-opt**=[]
Logging driver specific options.
**-m**, **--memory**=""
Memory limit (format: <number>[<unit>], where unit = b, k, m or g)
Allows you to constrain the memory available to a container. If the host
supports swap memory, then the **-m** memory setting can be larger than physical
RAM. If a limit of 0 is specified (not using **-m**), the container's memory is
not limited. The actual limit may be rounded up to a multiple of the operating
system's page size (the value would be very large, that's millions of trillions).
**--mac-address**=""
Container MAC address (e.g. 92:d0:c6:0a:29:33)
**--memory-reservation**=""
Memory soft limit (format: <number>[<unit>], where unit = b, k, m or g)
After setting memory reservation, when the system detects memory contention
or low memory, containers are forced to restrict their consumption to their
reservation. So you should always set the value below **--memory**, otherwise the
hard limit will take precedence. By default, memory reservation will be the same
as memory limit.
**--memory-swap**="LIMIT"
A limit value equal to memory plus swap. Must be used with the **-m**
(**--memory**) flag. The swap `LIMIT` should always be larger than **-m**
(**--memory**) value.
The format of `LIMIT` is `<number>[<unit>]`. Unit can be `b` (bytes),
`k` (kilobytes), `m` (megabytes), or `g` (gigabytes). If you don't specify a
unit, `b` is used. Set LIMIT to `-1` to enable unlimited swap.
**--memory-swappiness**=""
Tune a container's memory swappiness behavior. Accepts an integer between 0 and 100.
**--name**=""
Assign a name to the container
**--network**="*bridge*"
Set the Network mode for the container
'bridge': create a network stack on the default Docker bridge
'none': no networking
'container:<name|id>': reuse another container's network stack
'host': use the Docker host network stack. Note: the host mode gives the container full access to local system services such as D-bus and is therefore considered insecure.
'<network-name>|<network-id>': connect to a user-defined network
**--network-alias**=[]
Add network-scoped alias for the container
**--oom-kill-disable**=*true*|*false*
Whether to disable OOM Killer for the container or not.
**--oom-score-adj**=""
Tune the host's OOM preferences for containers (accepts -1000 to 1000)
**-P**, **--publish-all**=*true*|*false*
Publish all exposed ports to random ports on the host interfaces. The default is *false*.
**-p**, **--publish**=[]
Publish a container's port, or a range of ports, to the host
format: ip:hostPort:containerPort | ip::containerPort | hostPort:containerPort | containerPort
Both hostPort and containerPort can be specified as a range of ports.
When specifying ranges for both, the number of container ports in the range must match the number of host ports in the range. (e.g., `-p 1234-1236:1234-1236/tcp`)
(use 'docker port' to see the actual mapping)
**--pid**=""
Set the PID mode for the container
Default is to create a private PID namespace for the container
'container:<name|id>': join another container's PID namespace
'host': use the host's PID namespace for the container. Note: the host mode gives the container full access to local PID and is therefore considered insecure.
**--userns**=""
Set the usernamespace mode for the container when `userns-remap` option is enabled.
**host**: use the host usernamespace and enable all privileged options (e.g., `pid=host` or `--privileged`).
**--pids-limit**=""
Tune the container's pids limit. Set `-1` to have unlimited pids for the container.
**--privileged**=*true*|*false*
Give extended privileges to this container. The default is *false*.
**--read-only**=*true*|*false*
Mount the container's root filesystem as read only.
**--restart**="*no*"
Restart policy to apply when a container exits (no, on-failure[:max-retry], always, unless-stopped).
**--rm**=*true*|*false*
Automatically remove the container when it exits. The default is *false*.
**--shm-size**=""
Size of `/dev/shm`. The format is `<number><unit>`. `number` must be greater than `0`.
Unit is optional and can be `b` (bytes), `k` (kilobytes), `m` (megabytes), or `g` (gigabytes). If you omit the unit, the system uses bytes.
If you omit the size entirely, the system uses `64m`.
**--security-opt**=[]
Security Options
"label:user:USER" : Set the label user for the container
"label:role:ROLE" : Set the label role for the container
"label:type:TYPE" : Set the label type for the container
"label:level:LEVEL" : Set the label level for the container
"label:disable" : Turn off label confinement for the container
"no-new-privileges" : Disable container processes from gaining additional privileges
"seccomp:unconfined" : Turn off seccomp confinement for the container
"seccomp:profile.json : White listed syscalls seccomp Json file to be used as a seccomp filter
**--storage-opt**=[]
Storage driver options per container
$ docker create -it --storage-opt size=120G fedora /bin/bash
This (size) will allow to set the container rootfs size to 120G at creation time.
This option is only available for the `devicemapper`, `btrfs`, `overlay2` and `zfs` graph drivers.
For the `devicemapper`, `btrfs` and `zfs` storage drivers, user cannot pass a size less than the Default BaseFS Size.
For the `overlay2` storage driver, the size option is only available if the backing fs is `xfs` and mounted with the `pquota` mount option.
Under these conditions, user can pass any size less then the backing fs size.
**--stop-signal**=*SIGTERM*
Signal to stop a container. Default is SIGTERM.
**--stop-timeout**=*10*
Timeout (in seconds) to stop a container. Default is 10.
**--sysctl**=SYSCTL
Configure namespaced kernel parameters at runtime
IPC Namespace - current sysctls allowed:
kernel.msgmax, kernel.msgmnb, kernel.msgmni, kernel.sem, kernel.shmall, kernel.shmmax, kernel.shmmni, kernel.shm_rmid_forced
Sysctls beginning with fs.mqueue.*
Note: if you use --ipc=host using these sysctls will not be allowed.
Network Namespace - current sysctls allowed:
Sysctls beginning with net.*
Note: if you use --network=host using these sysctls will not be allowed.
**-t**, **--tty**=*true*|*false*
Allocate a pseudo-TTY. The default is *false*.
**--tmpfs**=[] Create a tmpfs mount
Mount a temporary filesystem (`tmpfs`) mount into a container, for example:
$ docker run -d --tmpfs /tmp:rw,size=787448k,mode=1777 my_image
This command mounts a `tmpfs` at `/tmp` within the container. The supported mount
options are the same as the Linux default `mount` flags. If you do not specify
any options, the systems uses the following options:
`rw,noexec,nosuid,nodev,size=65536k`.
**-u**, **--user**=""
Sets the username or UID used and optionally the groupname or GID for the specified command.
The followings examples are all valid:
--user [user | user:group | uid | uid:gid | user:gid | uid:group ]
Without this argument root user will be used in the container by default.
**--ulimit**=[]
Ulimit options
**--uts**=*host*
Set the UTS mode for the container
**host**: use the host's UTS namespace inside the container.
Note: the host mode gives the container access to changing the host's hostname and is therefore considered insecure.
**-v**|**--volume**[=*[[HOST-DIR:]CONTAINER-DIR[:OPTIONS]]*]
Create a bind mount. If you specify, ` -v /HOST-DIR:/CONTAINER-DIR`, Docker
bind mounts `/HOST-DIR` in the host to `/CONTAINER-DIR` in the Docker
container. If 'HOST-DIR' is omitted, Docker automatically creates the new
volume on the host. The `OPTIONS` are a comma delimited list and can be:
* [rw|ro]
* [z|Z]
* [`[r]shared`|`[r]slave`|`[r]private`]
The `CONTAINER-DIR` must be an absolute path such as `/src/docs`. The `HOST-DIR`
can be an absolute path or a `name` value. A `name` value must start with an
alphanumeric character, followed by `a-z0-9`, `_` (underscore), `.` (period) or
`-` (hyphen). An absolute path starts with a `/` (forward slash).
If you supply a `HOST-DIR` that is an absolute path, Docker bind-mounts to the
path you specify. If you supply a `name`, Docker creates a named volume by that
`name`. For example, you can specify either `/foo` or `foo` for a `HOST-DIR`
value. If you supply the `/foo` value, Docker creates a bind-mount. If you
supply the `foo` specification, Docker creates a named volume.
You can specify multiple **-v** options to mount one or more mounts to a
container. To use these same mounts in other containers, specify the
**--volumes-from** option also.
You can add `:ro` or `:rw` suffix to a volume to mount it read-only or
read-write mode, respectively. By default, the volumes are mounted read-write.
See examples.
Labeling systems like SELinux require that proper labels are placed on volume
content mounted into a container. Without a label, the security system might
prevent the processes running inside the container from using the content. By
default, Docker does not change the labels set by the OS.
To change a label in the container context, you can add either of two suffixes
`:z` or `:Z` to the volume mount. These suffixes tell Docker to relabel file
objects on the shared volumes. The `z` option tells Docker that two containers
share the volume content. As a result, Docker labels the content with a shared
content label. Shared volume labels allow all containers to read/write content.
The `Z` option tells Docker to label the content with a private unshared label.
Only the current container can use a private volume.
By default bind mounted volumes are `private`. That means any mounts done
inside container will not be visible on host and vice-a-versa. One can change
this behavior by specifying a volume mount propagation property. Making a
volume `shared` mounts done under that volume inside container will be
visible on host and vice-a-versa. Making a volume `slave` enables only one
way mount propagation and that is mounts done on host under that volume
will be visible inside container but not the other way around.
To control mount propagation property of volume one can use `:[r]shared`,
`:[r]slave` or `:[r]private` propagation flag. Propagation property can
be specified only for bind mounted volumes and not for internal volumes or
named volumes. For mount propagation to work source mount point (mount point
where source dir is mounted on) has to have right propagation properties. For
shared volumes, source mount point has to be shared. And for slave volumes,
source mount has to be either shared or slave.
Use `df <source-dir>` to figure out the source mount and then use
`findmnt -o TARGET,PROPAGATION <source-mount-dir>` to figure out propagation
properties of source mount. If `findmnt` utility is not available, then one
can look at mount entry for source mount point in `/proc/self/mountinfo`. Look
at `optional fields` and see if any propagaion properties are specified.
`shared:X` means mount is `shared`, `master:X` means mount is `slave` and if
nothing is there that means mount is `private`.
To change propagation properties of a mount point use `mount` command. For
example, if one wants to bind mount source directory `/foo` one can do
`mount --bind /foo /foo` and `mount --make-private --make-shared /foo`. This
will convert /foo into a `shared` mount point. Alternatively one can directly
change propagation properties of source mount. Say `/` is source mount for
`/foo`, then use `mount --make-shared /` to convert `/` into a `shared` mount.
> **Note**:
> When using systemd to manage the Docker daemon's start and stop, in the systemd
> unit file there is an option to control mount propagation for the Docker daemon
> itself, called `MountFlags`. The value of this setting may cause Docker to not
> see mount propagation changes made on the mount point. For example, if this value
> is `slave`, you may not be able to use the `shared` or `rshared` propagation on
> a volume.
To disable automatic copying of data from the container path to the volume, use
the `nocopy` flag. The `nocopy` flag can be set on bind mounts and named volumes.
**--volume-driver**=""
Container's volume driver. This driver creates volumes specified either from
a Dockerfile's `VOLUME` instruction or from the `docker run -v` flag.
See **docker-volume-create(1)** for full details.
**--volumes-from**=[]
Mount volumes from the specified container(s)
**-w**, **--workdir**=""
Working directory inside the container
# EXAMPLES
## Specify isolation technology for container (--isolation)
This option is useful in situations where you are running Docker containers on
Windows. The `--isolation=<value>` option sets a container's isolation
technology. On Linux, the only supported is the `default` option which uses
Linux namespaces. On Microsoft Windows, you can specify these values:
* `default`: Use the value specified by the Docker daemon's `--exec-opt` . If the `daemon` does not specify an isolation technology, Microsoft Windows uses `process` as its default value.
* `process`: Namespace isolation only.
* `hyperv`: Hyper-V hypervisor partition-based isolation.
Specifying the `--isolation` flag without a value is the same as setting `--isolation="default"`.
# HISTORY
August 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
September 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
November 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-exec - Run a command in a running container
# SYNOPSIS
**docker exec**
[**-d**|**--detach**]
[**--detach-keys**[=*[]*]]
[**-e**|**--env**[=*[]*]]
[**--help**]
[**-i**|**--interactive**]
[**--privileged**]
[**-t**|**--tty**]
[**-u**|**--user**[=*USER*]]
CONTAINER COMMAND [ARG...]
# DESCRIPTION
Run a process in a running container.
The command started using `docker exec` will only run while the container's primary
process (`PID 1`) is running, and will not be restarted if the container is restarted.
If the container is paused, then the `docker exec` command will wait until the
container is unpaused, and then run
# OPTIONS
**-d**, **--detach**=*true*|*false*
Detached mode: run command in the background. The default is *false*.
**--detach-keys**=""
Override the key sequence for detaching a container. Format is a single character `[a-Z]` or `ctrl-<value>` where `<value>` is one of: `a-z`, `@`, `^`, `[`, `,` or `_`.
**-e**, **--env**=[]
Set environment variables
This option allows you to specify arbitrary environment variables that are
available for the command to be executed.
**--help**
Print usage statement
**-i**, **--interactive**=*true*|*false*
Keep STDIN open even if not attached. The default is *false*.
**--privileged**=*true*|*false*
Give the process extended [Linux capabilities](http://man7.org/linux/man-pages/man7/capabilities.7.html)
when running in a container. The default is *false*.
Without this flag, the process run by `docker exec` in a running container has
the same capabilities as the container, which may be limited. Set
`--privileged` to give all capabilities to the process.
**-t**, **--tty**=*true*|*false*
Allocate a pseudo-TTY. The default is *false*.
**-u**, **--user**=""
Sets the username or UID used and optionally the groupname or GID for the specified command.
The followings examples are all valid:
--user [user | user:group | uid | uid:gid | user:gid | uid:group ]
Without this argument the command will be run as root in the container.
The **-t** option is incompatible with a redirection of the docker client
standard input.
# HISTORY
November 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-import - Create an empty filesystem image and import the contents of the tarball (.tar, .tar.gz, .tgz, .bzip, .tar.xz, .txz) into it, then optionally tag it.
# SYNOPSIS
**docker import**
[**-c**|**--change**[=*[]*]]
[**-m**|**--message**[=*MESSAGE*]]
[**--help**]
file|URL|**-**[REPOSITORY[:TAG]]
# OPTIONS
**-c**, **--change**=[]
Apply specified Dockerfile instructions while importing the image
Supported Dockerfile instructions: `CMD`|`ENTRYPOINT`|`ENV`|`EXPOSE`|`ONBUILD`|`USER`|`VOLUME`|`WORKDIR`
**--help**
Print usage statement
**-m**, **--message**=""
Set commit message for imported image
# DESCRIPTION
Create a new filesystem image from the contents of a tarball (`.tar`,
`.tar.gz`, `.tgz`, `.bzip`, `.tar.xz`, `.txz`) into it, then optionally tag it.
# EXAMPLES
## Import from a remote location
# docker import http://example.com/exampleimage.tgz example/imagerepo
## Import from a local file
Import to docker via pipe and stdin:
# cat exampleimage.tgz | docker import - example/imagelocal
Import with a commit message.
# cat exampleimage.tgz | docker import --message "New image imported from tarball" - exampleimagelocal:new
Import to a Docker image from a local file.
# docker import /path/to/exampleimage.tgz
## Import from a local file and tag
Import to docker via pipe and stdin:
# cat exampleimageV2.tgz | docker import - example/imagelocal:V-2.0
## Import from a local directory
# tar -c . | docker import - exampleimagedir
## Apply specified Dockerfile instructions while importing the image
This example sets the docker image ENV variable DEBUG to true by default.
# tar -c . | docker import -c="ENV DEBUG true" - exampleimagedir
# See also
**docker-export(1)** to export the contents of a filesystem as a tar archive to STDOUT.
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-kill - Kill a running container using SIGKILL or a specified signal
# SYNOPSIS
**docker kill**
[**--help**]
[**-s**|**--signal**[=*"KILL"*]]
CONTAINER [CONTAINER...]
# DESCRIPTION
The main process inside each container specified will be sent SIGKILL,
or any signal specified with option --signal.
# OPTIONS
**--help**
Print usage statement
**-s**, **--signal**="*KILL*"
Signal to send to the container
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-logs - Fetch the logs of a container
# SYNOPSIS
**docker logs**
[**-f**|**--follow**]
[**--help**]
[**--since**[=*SINCE*]]
[**-t**|**--timestamps**]
[**--tail**[=*"all"*]]
CONTAINER
# DESCRIPTION
The **docker logs** command batch-retrieves whatever logs are present for
a container at the time of execution. This does not guarantee execution
order when combined with a docker run (i.e., your run may not have generated
any logs at the time you execute docker logs).
The **docker logs --follow** command combines commands **docker logs** and
**docker attach**. It will first return all logs from the beginning and
then continue streaming new output from the container's stdout and stderr.
**Warning**: This command works only for the **json-file** or **journald**
logging drivers.
# OPTIONS
**--help**
Print usage statement
**--details**=*true*|*false*
Show extra details provided to logs
**-f**, **--follow**=*true*|*false*
Follow log output. The default is *false*.
**--since**=""
Show logs since timestamp
**-t**, **--timestamps**=*true*|*false*
Show timestamps. The default is *false*.
**--tail**="*all*"
Output the specified number of lines at the end of logs (defaults to all logs)
The `--since` option can be Unix timestamps, date formatted timestamps, or Go
duration strings (e.g. `10m`, `1h30m`) computed relative to the client machine's
time. Supported formats for date formatted time stamps include RFC3339Nano,
RFC3339, `2006-01-02T15:04:05`, `2006-01-02T15:04:05.999999999`,
`2006-01-02Z07:00`, and `2006-01-02`. The local timezone on the client will be
used if you do not provide either a `Z` or a `+-00:00` timezone offset at the
end of the timestamp. When providing Unix timestamps enter
seconds[.nanoseconds], where seconds is the number of seconds that have elapsed
since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (aka Unix
epoch or Unix time), and the optional .nanoseconds field is a fraction of a
second no more than nine digits long. You can combine the `--since` option with
either or both of the `--follow` or `--tail` options.
The `docker logs --details` command will add on extra attributes, such as
environment variables and labels, provided to `--log-opt` when creating the
container.
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
July 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
April 2015, updated by Ahmet Alp Balkan <ahmetalpbalkan@gmail.com>
October 2015, updated by Mike Brown <mikebrow@gmail.com>

36
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% DOCKER(1) Docker User Manuals
% Docker Community
% OCT 2015
# NAME
docker-network-disconnect - disconnect a container from a network
# SYNOPSIS
**docker network disconnect**
[**--help**]
[**--force**]
NETWORK CONTAINER
# DESCRIPTION
Disconnects a container from a network.
```bash
$ docker network disconnect multi-host-network container1
```
# OPTIONS
**NETWORK**
Specify network name
**CONTAINER**
Specify container name
**--force**
Force the container to disconnect from a network
**--help**
Print usage statement
# HISTORY
OCT 2015, created by Mary Anthony <mary@docker.com>

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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-pause - Pause all processes within one or more containers
# SYNOPSIS
**docker pause**
CONTAINER [CONTAINER...]
# DESCRIPTION
The `docker pause` command suspends all processes in the specified containers.
On Linux, this uses the cgroups freezer. Traditionally, when suspending a process
the `SIGSTOP` signal is used, which is observable by the process being suspended.
With the cgroups freezer the process is unaware, and unable to capture,
that it is being suspended, and subsequently resumed. On Windows, only Hyper-V
containers can be paused.
See the [cgroups freezer documentation]
(https://www.kernel.org/doc/Documentation/cgroup-v1/freezer-subsystem.txt) for
further details.
# OPTIONS
**--help**
Print usage statement
# See also
**docker-unpause(1)** to unpause all processes within one or more containers.
# HISTORY
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-push - Push an image or a repository to a registry
# SYNOPSIS
**docker push**
[**--help**]
NAME[:TAG] | [REGISTRY_HOST[:REGISTRY_PORT]/]NAME[:TAG]
# DESCRIPTION
Use `docker push` to share your images to the [Docker Hub](https://hub.docker.com)
registry or to a self-hosted one.
Refer to **docker-tag(1)** for more information about valid image and tag names.
Killing the **docker push** process, for example by pressing **CTRL-c** while it
is running in a terminal, terminates the push operation.
Registry credentials are managed by **docker-login(1)**.
# OPTIONS
**--disable-content-trust**
Skip image verification (default true)
**--help**
Print usage statement
# EXAMPLES
## Pushing a new image to a registry
First save the new image by finding the container ID (using **docker ps**)
and then committing it to a new image name. Note that only a-z0-9-_. are
allowed when naming images:
# docker commit c16378f943fe rhel-httpd
Now, push the image to the registry using the image ID. In this example the
registry is on host named `registry-host` and listening on port `5000`. To do
this, tag the image with the host name or IP address, and the port of the
registry:
# docker tag rhel-httpd registry-host:5000/myadmin/rhel-httpd
# docker push registry-host:5000/myadmin/rhel-httpd
Check that this worked by running:
# docker images
You should see both `rhel-httpd` and `registry-host:5000/myadmin/rhel-httpd`
listed.
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
April 2015, updated by Mary Anthony for v2 <mary@docker.com>
June 2015, updated by Sally O'Malley <somalley@redhat.com>

15
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% DOCKER(1) Docker User Manuals
% Docker Community
% OCTOBER 2014
# NAME
docker-rename - Rename a container
# SYNOPSIS
**docker rename**
CONTAINER NEW_NAME
# OPTIONS
There are no available options.
# DESCRIPTION
Rename a container. Container may be running, paused or stopped.

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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-restart - Restart one or more containers
# SYNOPSIS
**docker restart**
[**--help**]
[**-t**|**--time**[=*10*]]
CONTAINER [CONTAINER...]
# DESCRIPTION
Restart each container listed.
# OPTIONS
**--help**
Print usage statement
**-t**, **--time**=*10*
Number of seconds to try to stop for before killing the container. Once killed it will then be restarted. Default is 10 seconds.
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

72
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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-rm - Remove one or more containers
# SYNOPSIS
**docker rm**
[**-f**|**--force**]
[**-l**|**--link**]
[**-v**|**--volumes**]
CONTAINER [CONTAINER...]
# DESCRIPTION
**docker rm** will remove one or more containers from the host node. The
container name or ID can be used. This does not remove images. You cannot
remove a running container unless you use the **-f** option. To see all
containers on a host use the **docker ps -a** command.
# OPTIONS
**--help**
Print usage statement
**-f**, **--force**=*true*|*false*
Force the removal of a running container (uses SIGKILL). The default is *false*.
**-l**, **--link**=*true*|*false*
Remove the specified link and not the underlying container. The default is *false*.
**-v**, **--volumes**=*true*|*false*
Remove the volumes associated with the container. The default is *false*.
# EXAMPLES
## Removing a container using its ID
To remove a container using its ID, find either from a **docker ps -a**
command, or use the ID returned from the **docker run** command, or retrieve
it from a file used to store it using the **docker run --cidfile**:
docker rm abebf7571666
## Removing a container using the container name
The name of the container can be found using the **docker ps -a**
command. The use that name as follows:
docker rm hopeful_morse
## Removing a container and all associated volumes
$ docker rm -v redis
redis
This command will remove the container and any volumes associated with it.
Note that if a volume was specified with a name, it will not be removed.
$ docker create -v awesome:/foo -v /bar --name hello redis
hello
$ docker rm -v hello
In this example, the volume for `/foo` will remain in tact, but the volume for
`/bar` will be removed. The same behavior holds for volumes inherited with
`--volumes-from`.
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
July 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
August 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

42
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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-rmi - Remove one or more images
# SYNOPSIS
**docker rmi**
[**-f**|**--force**]
[**--help**]
[**--no-prune**]
IMAGE [IMAGE...]
# DESCRIPTION
Removes one or more images from the host node. This does not remove images from
a registry. You cannot remove an image of a running container unless you use the
**-f** option. To see all images on a host use the **docker images** command.
# OPTIONS
**-f**, **--force**=*true*|*false*
Force removal of the image. The default is *false*.
**--help**
Print usage statement
**--no-prune**=*true*|*false*
Do not delete untagged parents. The default is *false*.
# EXAMPLES
## Removing an image
Here is an example of removing an image:
docker rmi fedora/httpd
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
April 2015, updated by Mary Anthony for v2 <mary@docker.com>

45
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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-save - Save one or more images to a tar archive (streamed to STDOUT by default)
# SYNOPSIS
**docker save**
[**--help**]
[**-o**|**--output**[=*OUTPUT*]]
IMAGE [IMAGE...]
# DESCRIPTION
Produces a tarred repository to the standard output stream. Contains all
parent layers, and all tags + versions, or specified repo:tag.
Stream to a file instead of STDOUT by using **-o**.
# OPTIONS
**--help**
Print usage statement
**-o**, **--output**=""
Write to a file, instead of STDOUT
# EXAMPLES
Save all fedora repository images to a fedora-all.tar and save the latest
fedora image to a fedora-latest.tar:
$ docker save fedora > fedora-all.tar
$ docker save --output=fedora-latest.tar fedora:latest
$ ls -sh fedora-all.tar
721M fedora-all.tar
$ ls -sh fedora-latest.tar
367M fedora-latest.tar
# See also
**docker-load(1)** to load an image from a tar archive on STDIN.
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
November 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

39
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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-start - Start one or more containers
# SYNOPSIS
**docker start**
[**-a**|**--attach**]
[**--detach-keys**[=*[]*]]
[**--help**]
[**-i**|**--interactive**]
CONTAINER [CONTAINER...]
# DESCRIPTION
Start one or more containers.
# OPTIONS
**-a**, **--attach**=*true*|*false*
Attach container's STDOUT and STDERR and forward all signals to the
process. The default is *false*.
**--detach-keys**=""
Override the key sequence for detaching a container. Format is a single character `[a-Z]` or `ctrl-<value>` where `<value>` is one of: `a-z`, `@`, `^`, `[`, `,` or `_`.
**--help**
Print usage statement
**-i**, **--interactive**=*true*|*false*
Attach container's STDIN. The default is *false*.
# See also
**docker-stop(1)** to stop a container.
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

30
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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-stop - Stop a container by sending SIGTERM and then SIGKILL after a grace period
# SYNOPSIS
**docker stop**
[**--help**]
[**-t**|**--time**[=*10*]]
CONTAINER [CONTAINER...]
# DESCRIPTION
Stop a container (Send SIGTERM, and then SIGKILL after
grace period)
# OPTIONS
**--help**
Print usage statement
**-t**, **--time**=*10*
Number of seconds to wait for the container to stop before killing it. Default is 10 seconds.
#See also
**docker-start(1)** to restart a stopped container.
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

36
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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-top - Display the running processes of a container
# SYNOPSIS
**docker top**
[**--help**]
CONTAINER [ps OPTIONS]
# DESCRIPTION
Display the running process of the container. ps-OPTION can be any of the options you would pass to a Linux ps command.
All displayed information is from host's point of view.
# OPTIONS
**--help**
Print usage statement
# EXAMPLES
Run **docker top** with the ps option of -x:
$ docker top 8601afda2b -x
PID TTY STAT TIME COMMAND
16623 ? Ss 0:00 sleep 99999
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
June 2015, updated by Ma Shimiao <mashimiao.fnst@cn.fujitsu.com>
December 2015, updated by Pavel Pospisil <pospispa@gmail.com>

28
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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-unpause - Unpause all processes within one or more containers
# SYNOPSIS
**docker unpause**
CONTAINER [CONTAINER...]
# DESCRIPTION
The `docker unpause` command un-suspends all processes in the specified containers.
On Linux, it does this using the cgroups freezer.
See the [cgroups freezer documentation]
(https://www.kernel.org/doc/Documentation/cgroup-v1/freezer-subsystem.txt) for
further details.
# OPTIONS
**--help**
Print usage statement
# See also
**docker-pause(1)** to pause all processes within one or more containers.
# HISTORY
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

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% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-update - Update configuration of one or more containers
# SYNOPSIS
**docker update**
[**--blkio-weight**[=*[BLKIO-WEIGHT]*]]
[**--cpu-shares**[=*0*]]
[**--cpu-period**[=*0*]]
[**--cpu-quota**[=*0*]]
[**--cpu-rt-period**[=*0*]]
[**--cpu-rt-runtime**[=*0*]]
[**--cpuset-cpus**[=*CPUSET-CPUS*]]
[**--cpuset-mems**[=*CPUSET-MEMS*]]
[**--help**]
[**--kernel-memory**[=*KERNEL-MEMORY*]]
[**-m**|**--memory**[=*MEMORY*]]
[**--memory-reservation**[=*MEMORY-RESERVATION*]]
[**--memory-swap**[=*MEMORY-SWAP*]]
[**--restart**[=*""*]]
CONTAINER [CONTAINER...]
# DESCRIPTION
The **docker update** command dynamically updates container configuration.
You can use this command to prevent containers from consuming too many
resources from their Docker host. With a single command, you can place
limits on a single container or on many. To specify more than one container,
provide space-separated list of container names or IDs.
With the exception of the **--kernel-memory** option, you can specify these
options on a running or a stopped container. On kernel version older than
4.6, You can only update **--kernel-memory** on a stopped container or on
a running container with kernel memory initialized.
# OPTIONS
**--blkio-weight**=0
Block IO weight (relative weight) accepts a weight value between 10 and 1000.
**--cpu-shares**=0
CPU shares (relative weight)
**--cpu-period**=0
Limit the CPU CFS (Completely Fair Scheduler) period
Limit the container's CPU usage. This flag tell the kernel to restrict the container's CPU usage to the period you specify.
**--cpu-quota**=0
Limit the CPU CFS (Completely Fair Scheduler) quota
**--cpu-rt-period**=0
Limit the CPU real-time period in microseconds
Limit the container's Real Time CPU usage. This flag tell the kernel to restrict the container's Real Time CPU usage to the period you specify.
**--cpu-rt-runtime**=0
Limit the CPU real-time runtime in microseconds
Limit the containers Real Time CPU usage. This flag tells the kernel to limit the amount of time in a given CPU period Real Time tasks may consume. Ex:
Period of 1,000,000us and Runtime of 950,000us means that this container could consume 95% of available CPU and leave the remaining 5% to normal priority tasks.
The sum of all runtimes across containers cannot exceed the amount allotted to the parent cgroup.
**--cpuset-cpus**=""
CPUs in which to allow execution (0-3, 0,1)
**--cpuset-mems**=""
Memory nodes(MEMs) in which to allow execution (0-3, 0,1). Only effective on NUMA systems.
**--help**
Print usage statement
**--kernel-memory**=""
Kernel memory limit (format: `<number>[<unit>]`, where unit = b, k, m or g)
Note that on kernel version older than 4.6, you can not update kernel memory on
a running container if the container is started without kernel memory initialized,
in this case, it can only be updated after it's stopped. The new setting takes
effect when the container is started.
**-m**, **--memory**=""
Memory limit (format: <number><optional unit>, where unit = b, k, m or g)
Note that the memory should be smaller than the already set swap memory limit.
If you want update a memory limit bigger than the already set swap memory limit,
you should update swap memory limit at the same time. If you don't set swap memory
limit on docker create/run but only memory limit, the swap memory is double
the memory limit.
**--memory-reservation**=""
Memory soft limit (format: <number>[<unit>], where unit = b, k, m or g)
**--memory-swap**=""
Total memory limit (memory + swap)
**--restart**=""
Restart policy to apply when a container exits (no, on-failure[:max-retry], always, unless-stopped).
# EXAMPLES
The following sections illustrate ways to use this command.
### Update a container's cpu-shares
To limit a container's cpu-shares to 512, first identify the container
name or ID. You can use **docker ps** to find these values. You can also
use the ID returned from the **docker run** command. Then, do the following:
```bash
$ docker update --cpu-shares 512 abebf7571666
```
### Update a container with cpu-shares and memory
To update multiple resource configurations for multiple containers:
```bash
$ docker update --cpu-shares 512 -m 300M abebf7571666 hopeful_morse
```
### Update a container's kernel memory constraints
You can update a container's kernel memory limit using the **--kernel-memory**
option. On kernel version older than 4.6, this option can be updated on a
running container only if the container was started with **--kernel-memory**.
If the container was started *without* **--kernel-memory** you need to stop
the container before updating kernel memory.
For example, if you started a container with this command:
```bash
$ docker run -dit --name test --kernel-memory 50M ubuntu bash
```
You can update kernel memory while the container is running:
```bash
$ docker update --kernel-memory 80M test
```
If you started a container *without* kernel memory initialized:
```bash
$ docker run -dit --name test2 --memory 300M ubuntu bash
```
Update kernel memory of running container `test2` will fail. You need to stop
the container before updating the **--kernel-memory** setting. The next time you
start it, the container uses the new value.
Kernel version newer than (include) 4.6 does not have this limitation, you
can use `--kernel-memory` the same way as other options.
### Update a container's restart policy
You can change a container's restart policy on a running container. The new
restart policy takes effect instantly after you run `docker update` on a
container.
To update restart policy for one or more containers:
```bash
$ docker update --restart=on-failure:3 abebf7571666 hopeful_morse
```
Note that if the container is started with "--rm" flag, you cannot update the restart
policy for it. The `AutoRemove` and `RestartPolicy` are mutually exclusive for the
container.

30
man/docker-wait.1.md
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@ -1,30 +0,0 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-wait - Block until one or more containers stop, then print their exit codes
# SYNOPSIS
**docker wait**
[**--help**]
CONTAINER [CONTAINER...]
# DESCRIPTION
Block until one or more containers stop, then print their exit codes.
# OPTIONS
**--help**
Print usage statement
# EXAMPLES
$ docker run -d fedora sleep 99
079b83f558a2bc52ecad6b2a5de13622d584e6bb1aea058c11b36511e85e7622
$ docker wait 079b83f558a2bc
0
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

67
man/generate.go
View File

@ -2,16 +2,22 @@ package main
import (
"fmt"
"io/ioutil"
"log"
"os"
"path/filepath"
"github.com/docker/docker/cli/command"
"github.com/docker/docker/cli/command/commands"
"github.com/docker/docker/pkg/term"
"github.com/spf13/cobra"
"github.com/spf13/cobra/doc"
"github.com/spf13/pflag"
)
func generateManPages(path string) error {
const descriptionSourcePath = "man/src/"
func generateManPages(opts *options) error {
header := &doc.GenManHeader{
Title: "DOCKER",
Section: "1",
@ -22,22 +28,67 @@ func generateManPages(path string) error {
dockerCli := command.NewDockerCli(stdin, stdout, stderr)
cmd := &cobra.Command{Use: "docker"}
commands.AddCommands(cmd, dockerCli)
source := filepath.Join(opts.source, descriptionSourcePath)
if err := loadLongDescription(cmd, source); err != nil {
return err
}
cmd.DisableAutoGenTag = true
return doc.GenManTreeFromOpts(cmd, doc.GenManTreeOptions{
Header: header,
Path: path,
Path: opts.target,
CommandSeparator: "-",
})
}
func main() {
path := "/tmp"
if len(os.Args) > 1 {
path = os.Args[1]
func loadLongDescription(cmd *cobra.Command, path string) error {
for _, cmd := range cmd.Commands() {
if cmd.Name() == "" {
continue
}
fullpath := filepath.Join(path, cmd.Name()+".md")
if cmd.HasSubCommands() {
loadLongDescription(cmd, filepath.Join(path, cmd.Name()))
}
if _, err := os.Stat(fullpath); err != nil {
log.Printf("WARN: %s does not exist, skipping\n", fullpath)
continue
}
content, err := ioutil.ReadFile(fullpath)
if err != nil {
return err
}
cmd.Long = string(content)
}
fmt.Printf("Generating man pages into %s\n", path)
if err := generateManPages(path); err != nil {
return nil
}
type options struct {
source string
target string
}
func parseArgs() (*options, error) {
opts := &options{}
cwd, _ := os.Getwd()
flags := pflag.NewFlagSet(os.Args[0], pflag.ContinueOnError)
flags.StringVar(&opts.source, "root", cwd, "Path to project root")
flags.StringVar(&opts.target, "target", "/tmp", "Target path for generated man pages")
err := flags.Parse(os.Args[1:])
return opts, err
}
func main() {
opts, err := parseArgs()
if err != nil {
fmt.Fprintln(os.Stderr, err.Error())
}
fmt.Printf("Project root: %s\n", opts.source)
fmt.Printf("Generating man pages into %s\n", opts.target)
if err := generateManPages(opts); err != nil {
fmt.Fprintf(os.Stderr, "Failed to generate man pages: %s\n", err.Error())
}
}

2
man/generate.sh
View File

@ -9,7 +9,7 @@ mkdir -p ./man/man1
# Generate man pages from cobra commands
go build -o /tmp/gen-manpages ./man
/tmp/gen-manpages ./man/man1
/tmp/gen-manpages --root . --target ./man/man1
# Generate legacy pages from markdown
./man/md2man-all.sh -q

2
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@ -0,0 +1,2 @@
Alias for `docker container attach`.

1
man/src/commit.md Normal file
View File

@ -0,0 +1 @@
Alias for `docker container commit`.

33
man/docker-attach.1.md → man/src/container/attach.md
View File

@ -1,18 +1,3 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-attach - Attach to a running container
# SYNOPSIS
**docker attach**
[**--detach-keys**[=*[]*]]
[**--help**]
[**--no-stdin**]
[**--sig-proxy**[=*true*]]
CONTAINER
# DESCRIPTION
The **docker attach** command allows you to attach to a running container using
the container's ID or name, either to view its ongoing output or to control it
interactively. You can attach to the same contained process multiple times
@ -28,19 +13,6 @@ file. See **config-json(5)** for documentation on using a configuration file.
It is forbidden to redirect the standard input of a `docker attach` command while
attaching to a tty-enabled container (i.e.: launched with `-t`).
# OPTIONS
**--detach-keys**=""
Override the key sequence for detaching a container. Format is a single character `[a-Z]` or `ctrl-<value>` where `<value>` is one of: `a-z`, `@`, `^`, `[`, `,` or `_`.
**--help**
Print usage statement
**--no-stdin**=*true*|*false*
Do not attach STDIN. The default is *false*.
**--sig-proxy**=*true*|*false*
Proxy all received signals to the process (non-TTY mode only). SIGCHLD, SIGKILL, and SIGSTOP are not proxied. The default is *true*.
# Override the detach sequence
If you want, you can configure an override the Docker key sequence for detach.
@ -92,8 +64,3 @@ attach** command:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1 root 20 0 17208 1144 932 R 0 0.3 0:00.03 top
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

30
man/src/container/commit.md Normal file
View File

@ -0,0 +1,30 @@
Create a new image from an existing container specified by name or
container ID. The new image will contain the contents of the
container filesystem, *excluding* any data volumes. Refer to **docker-tag(1)**
for more information about valid image and tag names.
While the `docker commit` command is a convenient way of extending an
existing image, you should prefer the use of a Dockerfile and `docker
build` for generating images that you intend to share with other
people.
# EXAMPLES
## Creating a new image from an existing container
An existing Fedora based container has had Apache installed while running
in interactive mode with the bash shell. Apache is also running. To
create a new image run `docker ps` to find the container's ID and then run:
# docker commit -m="Added Apache to Fedora base image" \
-a="A D Ministrator" 98bd7fc99854 fedora/fedora_httpd:20
Note that only a-z0-9-_. are allowed when naming images from an
existing container.
## Apply specified Dockerfile instructions while committing the image
If an existing container was created without the DEBUG environment
variable set to "true", you can create a new image based on that
container by first getting the container's ID with `docker ps` and
then running:
# docker container commit -c="ENV DEBUG true" 98bd7fc99854 debug-image

58
man/docker-cp.1.md → man/src/container/cp.md
View File

@ -1,42 +1,25 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-cp - Copy files/folders between a container and the local filesystem.
# SYNOPSIS
**docker cp**
[**--help**]
CONTAINER:SRC_PATH DEST_PATH|-
**docker cp**
[**--help**]
SRC_PATH|- CONTAINER:DEST_PATH
# DESCRIPTION
The `docker cp` utility copies the contents of `SRC_PATH` to the `DEST_PATH`.
The `docker container cp` utility copies the contents of `SRC_PATH` to the `DEST_PATH`.
You can copy from the container's file system to the local machine or the
reverse, from the local filesystem to the container. If `-` is specified for
either the `SRC_PATH` or `DEST_PATH`, you can also stream a tar archive from
`STDIN` or to `STDOUT`. The `CONTAINER` can be a running or stopped container.
The `SRC_PATH` or `DEST_PATH` can be a file or directory.
The `docker cp` command assumes container paths are relative to the container's
The `docker container cp` command assumes container paths are relative to the container's
`/` (root) directory. This means supplying the initial forward slash is optional;
The command sees `compassionate_darwin:/tmp/foo/myfile.txt` and
`compassionate_darwin:tmp/foo/myfile.txt` as identical. Local machine paths can
be an absolute or relative value. The command interprets a local machine's
relative paths as relative to the current working directory where `docker cp` is
relative paths as relative to the current working directory where `docker container cp` is
run.
The `cp` command behaves like the Unix `cp -a` command in that directories are
copied recursively with permissions preserved if possible. Ownership is set to
the user and primary group at the destination. For example, files copied to a
container are created with `UID:GID` of the root user. Files copied to the local
machine are created with the `UID:GID` of the user which invoked the `docker cp`
command. If you specify the `-L` option, `docker cp` follows any symbolic link
in the `SRC_PATH`. `docker cp` does *not* create parent directories for
machine are created with the `UID:GID` of the user which invoked the `docker container cp`
command. If you specify the `-L` option, `docker container cp` follows any symbolic link
in the `SRC_PATH`. `docker container cp` does *not* create parent directories for
`DEST_PATH` if they do not exist.
Assuming a path separator of `/`, a first argument of `SRC_PATH` and second
@ -94,13 +77,6 @@ The command extracts the content of the tar to the `DEST_PATH` in container's
filesystem. In this case, `DEST_PATH` must specify a directory. Using `-` as
the `DEST_PATH` streams the contents of the resource as a tar archive to `STDOUT`.
# OPTIONS
**-L**, **--follow-link**=*true*|*false*
Follow symbol link in SRC_PATH
**--help**
Print usage statement
# EXAMPLES
Suppose a container has finished producing some output as a file it saves
@ -109,28 +85,28 @@ some other computation. You can copy these outputs from the container to a
location on your local host.
If you want to copy the `/tmp/foo` directory from a container to the
existing `/tmp` directory on your host. If you run `docker cp` in your `~`
existing `/tmp` directory on your host. If you run `docker container cp` in your `~`
(home) directory on the local host:
$ docker cp compassionate_darwin:tmp/foo /tmp
$ docker container cp compassionate_darwin:tmp/foo /tmp
Docker creates a `/tmp/foo` directory on your host. Alternatively, you can omit
the leading slash in the command. If you execute this command from your home
directory:
$ docker cp compassionate_darwin:tmp/foo tmp
$ docker container cp compassionate_darwin:tmp/foo tmp
If `~/tmp` does not exist, Docker will create it and copy the contents of
`/tmp/foo` from the container into this new directory. If `~/tmp` already
exists as a directory, then Docker will copy the contents of `/tmp/foo` from
the container into a directory at `~/tmp/foo`.
When copying a single file to an existing `LOCALPATH`, the `docker cp` command
When copying a single file to an existing `LOCALPATH`, the `docker container cp` command
will either overwrite the contents of `LOCALPATH` if it is a file or place it
into `LOCALPATH` if it is a directory, overwriting an existing file of the same
name if one exists. For example, this command:
$ docker cp sharp_ptolemy:/tmp/foo/myfile.txt /test
$ docker container cp sharp_ptolemy:/tmp/foo/myfile.txt /test
If `/test` does not exist on the local machine, it will be created as a file
with the contents of `/tmp/foo/myfile.txt` from the container. If `/test`
@ -147,12 +123,12 @@ If you have a file, `config.yml`, in the current directory on your local host
and wish to copy it to an existing directory at `/etc/my-app.d` in a container,
this command can be used:
$ docker cp config.yml myappcontainer:/etc/my-app.d
$ docker container cp config.yml myappcontainer:/etc/my-app.d
If you have several files in a local directory `/config` which you need to copy
to a directory `/etc/my-app.d` in a container:
$ docker cp /config/. myappcontainer:/etc/my-app.d
$ docker container cp /config/. myappcontainer:/etc/my-app.d
The above command will copy the contents of the local `/config` directory into
the directory `/etc/my-app.d` in the container.
@ -162,14 +138,8 @@ want to copy the linked target and not the link itself. To copy the target, use
the `-L` option, for example:
$ ln -s /tmp/somefile /tmp/somefile.ln
$ docker cp -L /tmp/somefile.ln myappcontainer:/tmp/
$ docker container cp -L /tmp/somefile.ln myappcontainer:/tmp/
This command copies content of the local `/tmp/somefile` into the file
`/tmp/somefile.ln` in the container. Without `-L` option, the `/tmp/somefile.ln`
preserves its symbolic link but not its content.
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
May 2015, updated by Josh Hawn <josh.hawn@docker.com>

99
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@ -0,0 +1,99 @@
Creates a writeable container layer over the specified image and prepares it for
running the specified command. The container ID is then printed to STDOUT. This
is similar to **docker run -d** except the container is never started. You can
then use the **docker start <container_id>** command to start the container at
any point.
The initial status of the container created with **docker create** is 'created'.
# OPTIONS
The `CONTAINER-DIR` must be an absolute path such as `/src/docs`. The `HOST-DIR`
can be an absolute path or a `name` value. A `name` value must start with an
alphanumeric character, followed by `a-z0-9`, `_` (underscore), `.` (period) or
`-` (hyphen). An absolute path starts with a `/` (forward slash).
If you supply a `HOST-DIR` that is an absolute path, Docker bind-mounts to the
path you specify. If you supply a `name`, Docker creates a named volume by that
`name`. For example, you can specify either `/foo` or `foo` for a `HOST-DIR`
value. If you supply the `/foo` value, Docker creates a bind-mount. If you
supply the `foo` specification, Docker creates a named volume.
You can specify multiple **-v** options to mount one or more mounts to a
container. To use these same mounts in other containers, specify the
**--volumes-from** option also.
You can add `:ro` or `:rw` suffix to a volume to mount it read-only or
read-write mode, respectively. By default, the volumes are mounted read-write.
See examples.
Labeling systems like SELinux require that proper labels are placed on volume
content mounted into a container. Without a label, the security system might
prevent the processes running inside the container from using the content. By
default, Docker does not change the labels set by the OS.
To change a label in the container context, you can add either of two suffixes
`:z` or `:Z` to the volume mount. These suffixes tell Docker to relabel file
objects on the shared volumes. The `z` option tells Docker that two containers
share the volume content. As a result, Docker labels the content with a shared
content label. Shared volume labels allow all containers to read/write content.
The `Z` option tells Docker to label the content with a private unshared label.
Only the current container can use a private volume.
By default bind mounted volumes are `private`. That means any mounts done
inside container will not be visible on host and vice-a-versa. One can change
this behavior by specifying a volume mount propagation property. Making a
volume `shared` mounts done under that volume inside container will be
visible on host and vice-a-versa. Making a volume `slave` enables only one
way mount propagation and that is mounts done on host under that volume
will be visible inside container but not the other way around.
To control mount propagation property of volume one can use `:[r]shared`,
`:[r]slave` or `:[r]private` propagation flag. Propagation property can
be specified only for bind mounted volumes and not for internal volumes or
named volumes. For mount propagation to work source mount point (mount point
where source dir is mounted on) has to have right propagation properties. For
shared volumes, source mount point has to be shared. And for slave volumes,
source mount has to be either shared or slave.
Use `df <source-dir>` to figure out the source mount and then use
`findmnt -o TARGET,PROPAGATION <source-mount-dir>` to figure out propagation
properties of source mount. If `findmnt` utility is not available, then one
can look at mount entry for source mount point in `/proc/self/mountinfo`. Look
at `optional fields` and see if any propagaion properties are specified.
`shared:X` means mount is `shared`, `master:X` means mount is `slave` and if
nothing is there that means mount is `private`.
To change propagation properties of a mount point use `mount` command. For
example, if one wants to bind mount source directory `/foo` one can do
`mount --bind /foo /foo` and `mount --make-private --make-shared /foo`. This
will convert /foo into a `shared` mount point. Alternatively one can directly
change propagation properties of source mount. Say `/` is source mount for
`/foo`, then use `mount --make-shared /` to convert `/` into a `shared` mount.
> **Note**:
> When using systemd to manage the Docker daemon's start and stop, in the systemd
> unit file there is an option to control mount propagation for the Docker daemon
> itself, called `MountFlags`. The value of this setting may cause Docker to not
> see mount propagation changes made on the mount point. For example, if this value
> is `slave`, you may not be able to use the `shared` or `rshared` propagation on
> a volume.
To disable automatic copying of data from the container path to the volume, use
the `nocopy` flag. The `nocopy` flag can be set on bind mounts and named volumes.
# EXAMPLES
## Specify isolation technology for container (--isolation)
This option is useful in situations where you are running Docker containers on
Windows. The `--isolation=<value>` option sets a container's isolation
technology. On Linux, the only supported is the `default` option which uses
Linux namespaces. On Microsoft Windows, you can specify these values:
* `default`: Use the value specified by the Docker daemon's `--exec-opt` . If the `daemon` does not specify an isolation technology, Microsoft Windows uses `process` as its default value.
* `process`: Namespace isolation only.
* `hyperv`: Hyper-V hypervisor partition-based isolation.
Specifying the `--isolation` flag without a value is the same as setting `--isolation="default"`.

22
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View File

@ -1,15 +1,3 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-diff - Inspect changes to files or directories on a container's filesystem
# SYNOPSIS
**docker diff**
[**--help**]
CONTAINER
# DESCRIPTION
List the changed files and directories in a container᾿s filesystem since the
container was created. Three different types of change are tracked:
@ -22,10 +10,6 @@ container was created. Three different types of change are tracked:
You can use the full or shortened container ID or the container name set using
**docker run --name** option.
# OPTIONS
**--help**
Print usage statement
# EXAMPLES
Inspect the changes to an `nginx` container:
@ -53,9 +37,3 @@ C /var/log/nginx
A /var/log/nginx/access.log
A /var/log/nginx/error.log
```
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

25
man/src/container/exec.md Normal file
View File

@ -0,0 +1,25 @@
Run a process in a running container.
The command started using `docker exec` will only run while the container's primary
process (`PID 1`) is running, and will not be restarted if the container is restarted.
If the container is paused, then the `docker exec` command will wait until the
container is unpaused, and then run
# CAPABILITIES
`privileged` gives the process extended
[Linux capabilities](http://man7.org/linux/man-pages/man7/capabilities.7.html)
when running in a container.
Without this flag, the process run by `docker exec` in a running container has
the same capabilities as the container, which may be limited. Set
`--privileged` to give all capabilities to the process.
# USER
`user` sets the username or UID used and optionally the groupname or GID for the specified command.
The followings examples are all valid:
--user [user | user:group | uid | uid:gid | user:gid | uid:group ]
Without this argument the command will be run as root in the container.

26
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View File

@ -1,29 +1,9 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-export - Export the contents of a container's filesystem as a tar archive
# SYNOPSIS
**docker export**
[**--help**]
[**-o**|**--output**[=*""*]]
CONTAINER
# DESCRIPTION
Export the contents of a container's filesystem using the full or shortened
container ID or container name. The output is exported to STDOUT and can be
redirected to a tar file.
Stream to a file instead of STDOUT by using **-o**.
# OPTIONS
**--help**
Print usage statement
**-o**, **--output**=""
Write to a file, instead of STDOUT
# EXAMPLES
Export the contents of the container called angry_bell to a tar file
called angry_bell.tar:
@ -38,9 +18,3 @@ called angry_bell.tar:
# See also
**docker-import(1)** to create an empty filesystem image
and import the contents of the tarball into it, then optionally tag it.
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
January 2015, updated by Joseph Kern (josephakern at gmail dot com)

2
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@ -0,0 +1,2 @@
The main process inside each container specified will be sent SIGKILL,
or any signal specified with option --signal.

28
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@ -0,0 +1,28 @@
The **docker container logs** command batch-retrieves whatever logs are present for
a container at the time of execution. This does not guarantee execution
order when combined with a docker run (i.e., your run may not have generated
any logs at the time you execute docker container logs).
The **docker container logs --follow** command combines commands **docker container logs** and
**docker attach**. It will first return all logs from the beginning and
then continue streaming new output from the container's stdout and stderr.
**Warning**: This command works only for the **json-file** or **journald**
logging drivers.
The `--since` option can be Unix timestamps, date formatted timestamps, or Go
duration strings (e.g. `10m`, `1h30m`) computed relative to the client machine's
time. Supported formats for date formatted time stamps include RFC3339Nano,
RFC3339, `2006-01-02T15:04:05`, `2006-01-02T15:04:05.999999999`,
`2006-01-02Z07:00`, and `2006-01-02`. The local timezone on the client will be
used if you do not provide either a `Z` or a `+-00:00` timezone offset at the
end of the timestamp. When providing Unix timestamps enter
seconds[.nanoseconds], where seconds is the number of seconds that have elapsed
since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (aka Unix
epoch or Unix time), and the optional .nanoseconds field is a fraction of a
second no more than nine digits long. You can combine the `--since` option with
either or both of the `--follow` or `--tail` options.
The `docker container logs --details` command will add on extra attributes, such as
environment variables and labels, provided to `--log-opt` when creating the
container.

73
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@ -1,32 +1,9 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% FEBRUARY 2015
# NAME
docker-ps - List containers
# SYNOPSIS
**docker ps**
[**-a**|**--all**]
[**-f**|**--filter**[=*[]*]]
[**--format**=*"TEMPLATE"*]
[**--help**]
[**-l**|**--latest**]
[**-n**[=*-1*]]
[**--no-trunc**]
[**-q**|**--quiet**]
[**-s**|**--size**]
# DESCRIPTION
List the containers in the local repository. By default this shows only
the running containers.
# OPTIONS
**-a**, **--all**=*true*|*false*
Show all containers. Only running containers are shown by default. The default is *false*.
## Filters
**-f**, **--filter**=[]
Filter output based on these conditions:
Filter output based on these conditions:
- exited=<int> an exit code of <int>
- label=<key> or label=<key>=<value>
- status=(created|restarting|running|paused|exited|dead)
@ -40,7 +17,8 @@ the running containers.
- network=(<network-name>|<network-id>) - containers connected to the provided network
- health=(starting|healthy|unhealthy|none) - filters containers based on healthcheck status
**--format**="*TEMPLATE*"
## Format
Pretty-print containers using a Go template.
Valid placeholders:
.ID - Container ID
@ -56,28 +34,10 @@ the running containers.
.Label - Value of a specific label for this container. For example `{{.Label "com.docker.swarm.cpu"}}`
.Mounts - Names of the volumes mounted in this container.
**--help**
Print usage statement
**-l**, **--latest**=*true*|*false*
Show only the latest created container (includes all states). The default is *false*.
**-n**=*-1*
Show n last created containers (includes all states).
**--no-trunc**=*true*|*false*
Don't truncate output. The default is *false*.
**-q**, **--quiet**=*true*|*false*
Only display numeric IDs. The default is *false*.
**-s**, **--size**=*true*|*false*
Display total file sizes. The default is *false*.
# EXAMPLES
# Display all containers, including non-running
# docker ps -a
# docker container ls -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a87ecb4f327c fedora:20 /bin/sh -c #(nop) MA 20 minutes ago Exit 0 desperate_brattain
01946d9d34d8 vpavlin/rhel7:latest /bin/sh -c #(nop) MA 33 minutes ago Exit 0 thirsty_bell
@ -86,7 +46,7 @@ the running containers.
# Display only IDs of all containers, including non-running
# docker ps -a -q
# docker container ls -a -q
a87ecb4f327c
01946d9d34d8
c1d3b0166030
@ -94,12 +54,12 @@ the running containers.
# Display only IDs of all containers that have the name `determined_torvalds`
# docker ps -a -q --filter=name=determined_torvalds
# docker container ls -a -q --filter=name=determined_torvalds
c1d3b0166030
# Display containers with their commands
# docker ps --format "{{.ID}}: {{.Command}}"
# docker container ls --format "{{.ID}}: {{.Command}}"
a87ecb4f327c: /bin/sh -c #(nop) MA
01946d9d34d8: /bin/sh -c #(nop) MA
c1d3b0166030: /bin/sh -c yum -y up
@ -107,7 +67,7 @@ the running containers.
# Display containers with their labels in a table
# docker ps --format "table {{.ID}}\t{{.Labels}}"
# docker container ls --format "table {{.ID}}\t{{.Labels}}"
CONTAINER ID LABELS
a87ecb4f327c com.docker.swarm.node=ubuntu,com.docker.swarm.storage=ssd
01946d9d34d8
@ -116,7 +76,7 @@ the running containers.
# Display containers with their node label in a table
# docker ps --format 'table {{.ID}}\t{{(.Label "com.docker.swarm.node")}}'
# docker container ls --format 'table {{.ID}}\t{{(.Label "com.docker.swarm.node")}}'
CONTAINER ID NODE
a87ecb4f327c ubuntu
01946d9d34d8
@ -125,21 +85,12 @@ the running containers.
# Display containers with `remote-volume` mounted
$ docker ps --filter volume=remote-volume --format "table {{.ID}}\t{{.Mounts}}"
$ docker container ls --filter volume=remote-volume --format "table {{.ID}}\t{{.Mounts}}"
CONTAINER ID MOUNTS
9c3527ed70ce remote-volume
# Display containers with a volume mounted in `/data`
$ docker ps --filter volume=/data --format "table {{.ID}}\t{{.Mounts}}"
$ docker container ls --filter volume=/data --format "table {{.ID}}\t{{.Mounts}}"
CONTAINER ID MOUNTS
9c3527ed70ce remote-volume
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
August 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
November 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
February 2015, updated by André Martins <martins@noironetworks.com>
October 2016, updated by Josh Horwitz <horwitzja@gmail.com>

12
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@ -0,0 +1,12 @@
The `docker container pause` command suspends all processes in the specified containers.
On Linux, this uses the cgroups freezer. Traditionally, when suspending a process
the `SIGSTOP` signal is used, which is observable by the process being suspended.
With the cgroups freezer the process is unaware, and unable to capture,
that it is being suspended, and subsequently resumed. On Windows, only Hyper-V
containers can be paused.
See the [cgroups freezer documentation]
(https://www.kernel.org/doc/Documentation/cgroup-v1/freezer-subsystem.txt) for
further details.
**docker-container-unpause(1)** to unpause all processes within a container.

29
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@ -1,21 +1,5 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-port - List port mappings for the CONTAINER, or lookup the public-facing port that is NAT-ed to the PRIVATE_PORT
# SYNOPSIS
**docker port**
[**--help**]
CONTAINER [PRIVATE_PORT[/PROTO]]
# DESCRIPTION
List port mappings for the CONTAINER, or lookup the public-facing port that is NAT-ed to the PRIVATE_PORT
# OPTIONS
**--help**
Print usage statement
# EXAMPLES
# docker ps
@ -24,24 +8,19 @@ List port mappings for the CONTAINER, or lookup the public-facing port that is N
## Find out all the ports mapped
# docker port test
# docker container port test
7890/tcp -> 0.0.0.0:4321
9876/tcp -> 0.0.0.0:1234
## Find out a specific mapping
# docker port test 7890/tcp
# docker container port test 7890/tcp
0.0.0.0:4321
# docker port test 7890
# docker container port test 7890
0.0.0.0:4321
## An example showing error for non-existent mapping
# docker port test 7890/udp
# docker container port test 7890/udp
2014/06/24 11:53:36 Error: No public port '7890/udp' published for test
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
November 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

1
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@ -0,0 +1 @@
Rename a container. Container may be running, paused or stopped.

1
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@ -0,0 +1 @@
Restart each container listed.

37
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@ -0,0 +1,37 @@
**docker container rm** will remove one or more containers from the host node. The
container name or ID can be used. This does not remove images. You cannot
remove a running container unless you use the **-f** option. To see all
containers on a host use the **docker container ls -a** command.
# EXAMPLES
## Removing a container using its ID
To remove a container using its ID, find either from a **docker ps -a**
command, or use the ID returned from the **docker run** command, or retrieve
it from a file used to store it using the **docker run --cidfile**:
docker container rm abebf7571666
## Removing a container using the container name
The name of the container can be found using the **docker ps -a**
command. The use that name as follows:
docker container rm hopeful_morse
## Removing a container and all associated volumes
$ docker container rm -v redis
redis
This command will remove the container and any volumes associated with it.
Note that if a volume was specified with a name, it will not be removed.
$ docker create -v awesome:/foo -v /bar --name hello redis
hello
$ docker container rm -v hello
In this example, the volume for `/foo` will remain in tact, but the volume for
`/bar` will be removed. The same behavior holds for volumes inherited with
`--volumes-from`.

1
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@ -0,0 +1 @@
Alias for `docker run`.

1
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@ -0,0 +1 @@
Start one or more containers.

35
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@ -1,32 +1,7 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-stats - Display a live stream of one or more containers' resource usage statistics
# SYNOPSIS
**docker stats**
[**-a**|**--all**]
[**--help**]
[**--no-stream**]
[**--format[="*TEMPLATE*"]**]
[CONTAINER...]
# DESCRIPTION
Display a live stream of one or more containers' resource usage statistics
# OPTIONS
**-a**, **--all**=*true*|*false*
Show all containers. Only running containers are shown by default. The default is *false*.
# Format
**--help**
Print usage statement
**--no-stream**=*true*|*false*
Disable streaming stats and only pull the first result, default setting is false.
**--format**="*TEMPLATE*"
Pretty-print containers statistics using a Go template.
Valid placeholders:
.Container - Container name or ID.
@ -41,17 +16,17 @@ Display a live stream of one or more containers' resource usage statistics
# EXAMPLES
Running `docker stats` on all running containers
Running `docker container stats` on all running containers
$ docker stats
$ docker container stats
CONTAINER CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O
1285939c1fd3 0.07% 796 KiB / 64 MiB 1.21% 788 B / 648 B 3.568 MB / 512 KB
9c76f7834ae2 0.07% 2.746 MiB / 64 MiB 4.29% 1.266 KB / 648 B 12.4 MB / 0 B
d1ea048f04e4 0.03% 4.583 MiB / 64 MiB 6.30% 2.854 KB / 648 B 27.7 MB / 0 B
Running `docker stats` on multiple containers by name and id.
Running `docker container stats` on multiple containers by name and id.
$ docker stats fervent_panini 5acfcb1b4fd1
$ docker container stats fervent_panini 5acfcb1b4fd1
CONTAINER CPU % MEM USAGE/LIMIT MEM % NET I/O
5acfcb1b4fd1 0.00% 115.2 MiB/1.045 GiB 11.03% 1.422 kB/648 B
fervent_panini 0.02% 11.08 MiB/1.045 GiB 1.06% 648 B/648 B

1
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@ -0,0 +1 @@
Stop a container (Send SIGTERM, and then SIGKILL after grace period)

11
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@ -0,0 +1,11 @@
Display the running process of the container. ps-OPTION can be any of the options you would pass to a Linux ps command.
All displayed information is from host's point of view.
# EXAMPLES
Run **docker container top** with the ps option of -x:
$ docker top 8601afda2b -x
PID TTY STAT TIME COMMAND
16623 ? Ss 0:00 sleep 99999

6
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@ -0,0 +1,6 @@
The `docker container unpause` command un-suspends all processes in a container.
On Linux, it does this using the cgroups freezer.
See the [cgroups freezer documentation]
(https://www.kernel.org/doc/Documentation/cgroups/freezer-subsystem.txt) for
further details.

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@ -0,0 +1,102 @@
The **docker container update** command dynamically updates container configuration.
You can use this command to prevent containers from consuming too many
resources from their Docker host. With a single command, you can place
limits on a single container or on many. To specify more than one container,
provide space-separated list of container names or IDs.
With the exception of the **--kernel-memory** option, you can specify these
options on a running or a stopped container. On kernel version older than
4.6, You can only update **--kernel-memory** on a stopped container or on
a running container with kernel memory initialized.
# OPTIONS
## kernel-memory
Kernel memory limit (format: `<number>[<unit>]`, where unit = b, k, m or g)
Note that on kernel version older than 4.6, you can not update kernel memory on
a running container if the container is started without kernel memory initialized,
in this case, it can only be updated after it's stopped. The new setting takes
effect when the container is started.
## memory
Memory limit (format: <number><optional unit>, where unit = b, k, m or g)
Note that the memory should be smaller than the already set swap memory limit.
If you want update a memory limit bigger than the already set swap memory limit,
you should update swap memory limit at the same time. If you don't set swap memory
limit on docker create/run but only memory limit, the swap memory is double
the memory limit.
# EXAMPLES
The following sections illustrate ways to use this command.
### Update a container's cpu-shares
To limit a container's cpu-shares to 512, first identify the container
name or ID. You can use **docker ps** to find these values. You can also
use the ID returned from the **docker run** command. Then, do the following:
```bash
$ docker container update --cpu-shares 512 abebf7571666
```
### Update a container with cpu-shares and memory
To update multiple resource configurations for multiple containers:
```bash
$ docker container update --cpu-shares 512 -m 300M abebf7571666 hopeful_morse
```
### Update a container's kernel memory constraints
You can update a container's kernel memory limit using the **--kernel-memory**
option. On kernel version older than 4.6, this option can be updated on a
running container only if the container was started with **--kernel-memory**.
If the container was started *without* **--kernel-memory** you need to stop
the container before updating kernel memory.
For example, if you started a container with this command:
```bash
$ docker run -dit --name test --kernel-memory 50M ubuntu bash
```
You can update kernel memory while the container is running:
```bash
$ docker container update --kernel-memory 80M test
```
If you started a container *without* kernel memory initialized:
```bash
$ docker run -dit --name test2 --memory 300M ubuntu bash
```
Update kernel memory of running container `test2` will fail. You need to stop
the container before updating the **--kernel-memory** setting. The next time you
start it, the container uses the new value.
Kernel version newer than (include) 4.6 does not have this limitation, you
can use `--kernel-memory` the same way as other options.
### Update a container's restart policy
You can change a container's restart policy on a running container. The new
restart policy takes effect instantly after you run `docker container update` on a
container.
To update restart policy for one or more containers:
```bash
$ docker container update --restart=on-failure:3 abebf7571666 hopeful_morse
```
Note that if the container is started with "--rm" flag, you cannot update the restart
policy for it. The `AutoRemove` and `RestartPolicy` are mutually exclusive for the
container.

8
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@ -0,0 +1,8 @@
Block until a container stops, then print its exit code.
# EXAMPLES
$ docker run -d fedora sleep 99
079b83f558a2bc52ecad6b2a5de13622d584e6bb1aea058c11b36511e85e7622
$ docker container wait 079b83f558a2bc
0

1
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@ -0,0 +1 @@
Alias for `docker container cp`.

1
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@ -0,0 +1 @@
Alias for `docker container create`.

1
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@ -0,0 +1 @@
Alias for `docker container diff`.

1
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@ -0,0 +1 @@
Alias for `docker system events`.

1
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@ -0,0 +1 @@
Alias for `docker container exec`.

1
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@ -0,0 +1 @@
Alias for `docker container export`.

1
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@ -0,0 +1 @@
Alias for `docker image history`.

1
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@ -0,0 +1 @@
Alias for `docker build`.

34
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@ -1,34 +1,5 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-history - Show the history of an image
# SYNOPSIS
**docker history**
[**--help**]
[**-H**|**--human**[=*true*]]
[**--no-trunc**]
[**-q**|**--quiet**]
IMAGE
# DESCRIPTION
Show the history of when and how an image was created.
# OPTIONS
**--help**
Print usage statement
**-H**, **--human**=*true*|*false*
Print sizes and dates in human readable format. The default is *true*.
**--no-trunc**=*true*|*false*
Don't truncate output. The default is *false*.
**-q**, **--quiet**=*true*|*false*
Only show numeric IDs. The default is *false*.
# EXAMPLES
$ docker history fedora
IMAGE CREATED CREATED BY SIZE COMMENT
@ -45,8 +16,3 @@ The `docker commit` command has a **-m** flag for adding comments to the image.
88b42ffd1f7c 5 months ago /bin/sh -c #(nop) ADD file:1fd8d7f9f6557cafc7 373.7 MB
c69cab00d6ef 5 months ago /bin/sh -c #(nop) MAINTAINER Lokesh Mandvekar 0 B
511136ea3c5a 19 months ago 0 B Imported from -
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

42
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@ -0,0 +1,42 @@
Create a new filesystem image from the contents of a tarball (`.tar`,
`.tar.gz`, `.tgz`, `.bzip`, `.tar.xz`, `.txz`) into it, then optionally tag it.
# EXAMPLES
## Import from a remote location
# docker image import http://example.com/exampleimage.tgz example/imagerepo
## Import from a local file
Import to docker via pipe and stdin:
# cat exampleimage.tgz | docker image import - example/imagelocal
Import with a commit message.
# cat exampleimage.tgz | docker image import --message "New image imported from tarball" - exampleimagelocal:new
Import to a Docker image from a local file.
# docker image import /path/to/exampleimage.tgz
## Import from a local file and tag
Import to docker via pipe and stdin:
# cat exampleimageV2.tgz | docker image import - example/imagelocal:V-2.0
## Import from a local directory
# tar -c . | docker image import - exampleimagedir
## Apply specified Dockerfile instructions while importing the image
This example sets the docker image ENV variable DEBUG to true by default.
# tar -c . | docker image import -c="ENV DEBUG true" - exampleimagedir
# See also
**docker-export(1)** to export the contents of a filesystem as a tar archive to STDOUT.

33
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@ -1,31 +1,7 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-load - Load an image from a tar archive or STDIN
# SYNOPSIS
**docker load**
[**--help**]
[**-i**|**--input**[=*INPUT*]]
[**-q**|**--quiet**]
# DESCRIPTION
Loads a tarred repository from a file or the standard input stream.
Restores both images and tags. Write image names or IDs imported it
standard output stream.
# OPTIONS
**--help**
Print usage statement
**-i**, **--input**=""
Read from a tar archive file, instead of STDIN. The tarball may be compressed with gzip, bzip, or xz.
**-q**, **--quiet**
Suppress the load progress bar but still outputs the imported images.
# EXAMPLES
$ docker images
@ -46,11 +22,4 @@ standard output stream.
fedora latest 58394af37342 7 weeks ago 385.5 MB
# See also
**docker-save(1)** to save one or more images to a tar archive (streamed to STDOUT by default).
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
July 2015 update by Mary Anthony <mary@docker.com>
June 2016 update by Vincent Demeester <vincent@sbr.pm>
**docker-image-save(1)** to save one or more images to a tar archive (streamed to STDOUT by default).

62
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@ -1,21 +1,3 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-images - List images
# SYNOPSIS
**docker images**
[**--help**]
[**-a**|**--all**]
[**--digests**]
[**-f**|**--filter**[=*[]*]]
[**--format**=*"TEMPLATE"*]
[**--no-trunc**]
[**-q**|**--quiet**]
[REPOSITORY[:TAG]]
# DESCRIPTION
This command lists the images stored in the local Docker repository.
By default, intermediate images, used during builds, are not listed. Some of the
@ -31,21 +13,17 @@ repository for all tagged images of the same name. For example consider an image
called fedora. It may be tagged with 18, 19, or 20, etc. to manage different
versions.
# OPTIONS
**-a**, **--all**=*true*|*false*
Show all images (by default filter out the intermediate image layers). The default is *false*.
## Filters
**--digests**=*true*|*false*
Show image digests. The default is *false*.
Filters the output based on these conditions:
**-f**, **--filter**=[]
Filters the output based on these conditions:
- dangling=(true|false) - find unused images
- label=<key> or label=<key>=<value>
- before=(<image-name>[:tag]|<image-id>|<image@digest>)
- since=(<image-name>[:tag]|<image-id>|<image@digest>)
**--format**="*TEMPLATE*"
## Format
Pretty-print images using a Go template.
Valid placeholders:
.ID - Image ID
@ -56,49 +34,40 @@ versions.
.CreatedAt - Time when the image was created
.Size - Image disk size
**--help**
Print usage statement
**--no-trunc**=*true*|*false*
Don't truncate output. The default is *false*.
**-q**, **--quiet**=*true*|*false*
Only show numeric IDs. The default is *false*.
# EXAMPLES
## Listing the images
To list the images in a local repository (not the registry) run:
docker images
docker image ls
The list will contain the image repository name, a tag for the image, and an
image ID, when it was created and its virtual size. Columns: REPOSITORY, TAG,
IMAGE ID, CREATED, and SIZE.
The `docker images` command takes an optional `[REPOSITORY[:TAG]]` argument
The `docker image ls` command takes an optional `[REPOSITORY[:TAG]]` argument
that restricts the list to images that match the argument. If you specify
`REPOSITORY`but no `TAG`, the `docker images` command lists all images in the
`REPOSITORY`but no `TAG`, the `docker image ls` command lists all images in the
given repository.
docker images java
docker image ls java
The `[REPOSITORY[:TAG]]` value must be an "exact match". This means that, for example,
`docker images jav` does not match the image `java`.
`docker image ls jav` does not match the image `java`.
If both `REPOSITORY` and `TAG` are provided, only images matching that
repository and tag are listed. To find all local images in the "java"
repository with tag "8" you can use:
docker images java:8
docker image ls java:8
To get a verbose list of images which contains all the intermediate images
used in builds use **-a**:
docker images -a
docker image ls -a
Previously, the docker images command supported the --tree and --dot arguments,
Previously, the docker image ls command supported the --tree and --dot arguments,
which displayed different visualizations of the image data. Docker core removed
this functionality in the 1.7 version. If you liked this functionality, you can
still find it in the third-party dockviz tool: https://github.com/justone/dockviz.
@ -145,9 +114,4 @@ Valid template placeholders are listed above.
Listing just the shortened image IDs. This can be useful for some automated
tools.
docker images -q
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
docker image ls -q

59
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@ -1,17 +1,3 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-pull - Pull an image or a repository from a registry
# SYNOPSIS
**docker pull**
[**-a**|**--all-tags**]
[**--help**]
NAME[:TAG] | [REGISTRY_HOST[:REGISTRY_PORT]/]NAME[:TAG]
# DESCRIPTION
This command pulls down an image or a repository from a registry. If
there is more than one image for a repository (e.g., fedora) then all
images for that repository name can be pulled down including any tags
@ -20,22 +6,15 @@ images for that repository name can be pulled down including any tags
If you do not specify a `REGISTRY_HOST`, the command uses Docker's public
registry located at `registry-1.docker.io` by default.
# OPTIONS
**-a**, **--all-tags**=*true*|*false*
Download all tagged images in the repository. The default is *false*.
**--help**
Print usage statement
# EXAMPLES
### Pull an image from Docker Hub
To download a particular image, or set of images (i.e., a repository), use
`docker pull`. If no tag is provided, Docker Engine uses the `:latest` tag as a
`docker image pull`. If no tag is provided, Docker Engine uses the `:latest` tag as a
default. This command pulls the `debian:latest` image:
$ docker pull debian
$ docker image pull debian
Using default tag: latest
latest: Pulling from library/debian
@ -52,7 +31,7 @@ both layers with `debian:latest`. Pulling the `debian:jessie` image therefore
only pulls its metadata, but not its layers, because all layers are already
present locally:
$ docker pull debian:jessie
$ docker image pull debian:jessie
jessie: Pulling from library/debian
fdd5d7827f33: Already exists
@ -84,9 +63,9 @@ in the online documentation.
## Pull an image by digest (immutable identifier)
So far, you've pulled images by their name (and "tag"). Using names and tags is
a convenient way to work with images. When using tags, you can `docker pull` an
a convenient way to work with images. When using tags, you can `docker image pull` an
image again to make sure you have the most up-to-date version of that image.
For example, `docker pull ubuntu:14.04` pulls the latest version of the Ubuntu
For example, `docker image pull ubuntu:14.04` pulls the latest version of the Ubuntu
14.04 image.
In some cases you don't want images to be updated to newer versions, but prefer
@ -98,7 +77,7 @@ and guarantee that the image you're using is always the same.
To know the digest of an image, pull the image first. Let's pull the latest
`ubuntu:14.04` image from Docker Hub:
$ docker pull ubuntu:14.04
$ docker image pull ubuntu:14.04
14.04: Pulling from library/ubuntu
5a132a7e7af1: Pull complete
@ -119,7 +98,7 @@ may be useful if you want to pin to a version of the image you just pushed.
A digest takes the place of the tag when pulling an image, for example, to
pull the above image by digest, run the following command:
$ docker pull ubuntu@sha256:45b23dee08af5e43a7fea6c4cf9c25ccf269ee113168c19722f87876677c5cb2
$ docker image pull ubuntu@sha256:45b23dee08af5e43a7fea6c4cf9c25ccf269ee113168c19722f87876677c5cb2
sha256:45b23dee08af5e43a7fea6c4cf9c25ccf269ee113168c19722f87876677c5cb2: Pulling from library/ubuntu
5a132a7e7af1: Already exists
@ -141,7 +120,7 @@ Digest can also be used in the `FROM` of a Dockerfile, for example:
## Pulling from a different registry
By default, `docker pull` pulls images from Docker Hub. It is also possible to
By default, `docker image pull` pulls images from Docker Hub. It is also possible to
manually specify the path of a registry to pull from. For example, if you have
set up a local registry, you can specify its path to pull from it. A registry
path is similar to a URL, but does not contain a protocol specifier (`https://`).
@ -149,7 +128,7 @@ path is similar to a URL, but does not contain a protocol specifier (`https://`)
The following command pulls the `testing/test-image` image from a local registry
listening on port 5000 (`myregistry.local:5000`):
$ docker pull myregistry.local:5000/testing/test-image
$ docker image pull myregistry.local:5000/testing/test-image
Registry credentials are managed by **docker-login(1)**.
@ -161,13 +140,13 @@ section in the online documentation for more information.
## Pull a repository with multiple images
By default, `docker pull` pulls a *single* image from the registry. A repository
By default, `docker image pull` pulls a *single* image from the registry. A repository
can contain multiple images. To pull all images from a repository, provide the
`-a` (or `--all-tags`) option when using `docker pull`.
`-a` (or `--all-tags`) option when using `docker image pull`.
This command pulls all images from the `fedora` repository:
$ docker pull --all-tags fedora
$ docker image pull --all-tags fedora
Pulling repository fedora
ad57ef8d78d7: Download complete
@ -193,10 +172,10 @@ that are present locally:
## Canceling a pull
Killing the `docker pull` process, for example by pressing `CTRL-c` while it is
Killing the `docker image pull` process, for example by pressing `CTRL-c` while it is
running in a terminal, will terminate the pull operation.
$ docker pull fedora
$ docker image pull fedora
Using default tag: latest
latest: Pulling from library/fedora
@ -208,13 +187,3 @@ running in a terminal, will terminate the pull operation.
> connection between the Docker Engine daemon and the Docker Engine client
> initiating the pull is lost. If the connection with the Engine daemon is
> lost for other reasons than a manual interaction, the pull is also aborted.
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
August 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
April 2015, updated by John Willis <john.willis@docker.com>
April 2015, updated by Mary Anthony for v2 <mary@docker.com>
September 2015, updated by Sally O'Malley <somalley@redhat.com>

34
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@ -0,0 +1,34 @@
Use `docker image push` to share your images to the [Docker Hub](https://hub.docker.com)
registry or to a self-hosted one.
Refer to **docker-image-tag(1)** for more information about valid image and tag names.
Killing the **docker image push** process, for example by pressing **CTRL-c** while it
is running in a terminal, terminates the push operation.
Registry credentials are managed by **docker-login(1)**.
# EXAMPLES
## Pushing a new image to a registry
First save the new image by finding the container ID (using **docker container ls**)
and then committing it to a new image name. Note that only a-z0-9-_. are
allowed when naming images:
# docker container commit c16378f943fe rhel-httpd
Now, push the image to the registry using the image ID. In this example the
registry is on host named `registry-host` and listening on port `5000`. To do
this, tag the image with the host name or IP address, and the port of the
registry:
# docker image tag rhel-httpd registry-host:5000/myadmin/rhel-httpd
# docker image push registry-host:5000/myadmin/rhel-httpd
Check that this worked by running:
# docker image ls
You should see both `rhel-httpd` and `registry-host:5000/myadmin/rhel-httpd`
listed.

11
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@ -0,0 +1,11 @@
Removes one or more images from the host node. This does not remove images from
a registry. You cannot remove an image of a running container unless you use the
**-f** option. To see all images on a host use the **docker image ls** command.
# EXAMPLES
## Removing an image
Here is an example of removing an image:
docker image rm fedora/httpd

19
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@ -0,0 +1,19 @@
Produces a tarred repository to the standard output stream. Contains all
parent layers, and all tags + versions, or specified repo:tag.
Stream to a file instead of STDOUT by using **-o**.
# EXAMPLES
Save all fedora repository images to a fedora-all.tar and save the latest
fedora image to a fedora-latest.tar:
$ docker image save fedora > fedora-all.tar
$ docker image save --output=fedora-latest.tar fedora:latest
$ ls -sh fedora-all.tar
721M fedora-all.tar
$ ls -sh fedora-latest.tar
367M fedora-latest.tar
# See also
**docker-image-load(1)** to load an image from a tar archive on STDIN.

33
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@ -1,22 +1,7 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-tag - Create a tag `TARGET_IMAGE` that refers to `SOURCE_IMAGE`
# SYNOPSIS
**docker tag**
[**--help**]
SOURCE_NAME[:TAG] TARGET_NAME[:TAG]
# DESCRIPTION
Assigns a new alias to an image in a registry. An alias refers to the
entire image name including the optional `TAG` after the ':'.
# "OPTIONS"
**--help**
Print usage statement.
# OPTIONS
**NAME**
The image name which is made up of slash-separated name components,
optionally prefixed by a registry hostname. The hostname must comply with
@ -41,14 +26,14 @@ entire image name including the optional `TAG` after the ':'.
To tag a local image with ID "0e5574283393" into the "fedora" repository with
"version1.0":
docker tag 0e5574283393 fedora/httpd:version1.0
docker image tag 0e5574283393 fedora/httpd:version1.0
## Tagging an image referenced by Name
To tag a local image with name "httpd" into the "fedora" repository with
"version1.0":
docker tag httpd fedora/httpd:version1.0
docker image tag httpd fedora/httpd:version1.0
Note that since the tag name is not specified, the alias is created for an
existing local version `httpd:latest`.
@ -58,19 +43,11 @@ existing local version `httpd:latest`.
To tag a local image with name "httpd" and tag "test" into the "fedora"
repository with "version1.0.test":
docker tag httpd:test fedora/httpd:version1.0.test
docker image tag httpd:test fedora/httpd:version1.0.test
## Tagging an image for a private repository
To push an image to a private registry and not the central Docker
registry you must tag it with the registry hostname and port (if needed).
docker tag 0e5574283393 myregistryhost:5000/fedora/httpd:version1.0
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
July 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
April 2015, updated by Mary Anthony for v2 <mary@docker.com>
June 2015, updated by Sally O'Malley <somalley@redhat.com>
docker image tag 0e5574283393 myregistryhost:5000/fedora/httpd:version1.0

1
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@ -0,0 +1 @@
Alias for `docker image ls`.

1
man/src/import.md Normal file
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@ -0,0 +1 @@
Alias for `docker image import`.

1
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@ -0,0 +1 @@
Alias for `docker system info`.

37
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@ -1,39 +1,9 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-inspect - Return low-level information on docker objects
# SYNOPSIS
**docker inspect**
[**--help**]
[**-f**|**--format**[=*FORMAT*]]
[**-s**|**--size**]
[**--type**=*container*|*image*|*network*|*node*|*service*|*task*|*volume*]
NAME|ID [NAME|ID...]
# DESCRIPTION
This displays the low-level information on Docker object(s) (e.g. container,
image, volume,network, node, service, or task) identified by name or ID. By default,
this will render all results in a JSON array. If the container and image have
the same name, this will return container JSON for unspecified type. If a format
is specified, the given template will be executed for each result.
# OPTIONS
**--help**
Print usage statement
**-f**, **--format**=""
Format the output using the given Go template
**-s**, **--size**
Display total file sizes if the type is container
**--type**=*container*|*image*|*network*|*node*|*service*|*task*|*volume*
Return JSON for specified type, permissible values are "image", "container",
"network", "node", "service", "task", and "volume"
# EXAMPLES
Get information about an image when image name conflicts with the container name,
@ -314,10 +284,3 @@ about the image:
}
}
]
# HISTORY
April 2014, originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
April 2015, updated by Qiang Huang <h.huangqiang@huawei.com>
October 2015, updated by Sally O'Malley <somalley@redhat.com>

1
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@ -0,0 +1 @@
Alias for `docker container kill`.

1
man/src/load.md Normal file
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@ -0,0 +1 @@
Alias for `docker image load`.

31
man/docker-login.1.md → man/src/login.md
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@ -1,17 +1,3 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-login - Log in to a Docker registry.
# SYNOPSIS
**docker login**
[**--help**]
[**-p**|**--password**[=*PASSWORD*]]
[**-u**|**--username**[=*USERNAME*]]
[SERVER]
# DESCRIPTION
Log in to a Docker Registry located on the specified
`SERVER`. You can specify a URL or a `hostname` for the `SERVER` value. If you
do not specify a `SERVER`, the command uses Docker's public registry located at
@ -26,16 +12,6 @@ You can log into any public or private repository for which you have
credentials. When you log in, the command stores encoded credentials in
`$HOME/.docker/config.json` on Linux or `%USERPROFILE%/.docker/config.json` on Windows.
# OPTIONS
**--help**
Print usage statement
**-p**, **--password**=""
Password
**-u**, **--username**=""
Username
# EXAMPLES
## Login to a registry on your localhost
@ -44,10 +20,3 @@ credentials. When you log in, the command stores encoded credentials in
# See also
**docker-logout(1)** to log out from a Docker registry.
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
April 2015, updated by Mary Anthony for v2 <mary@docker.com>
November 2015, updated by Sally O'Malley <somalley@redhat.com>

19
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@ -1,22 +1,8 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-logout - Log out from a Docker registry.
# SYNOPSIS
**docker logout**
[SERVER]
# DESCRIPTION
Log out of a Docker Registry located on the specified `SERVER`. You can
specify a URL or a `hostname` for the `SERVER` value. If you do not specify a
`SERVER`, the command attempts to log you out of Docker's public registry
located at `https://registry-1.docker.io/` by default.
# OPTIONS
There are no available options.
# EXAMPLES
## Log out from a registry on your localhost
@ -25,8 +11,3 @@ There are no available options.
# See also
**docker-login(1)** to log in to a Docker registry server.
# HISTORY
June 2014, Originally compiled by Daniel, Dao Quang Minh (daniel at nitrous dot io)
July 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
April 2015, updated by Mary Anthony for v2 <mary@docker.com>

1
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@ -0,0 +1 @@
Alias for `docker container logs`.

27
man/docker-network-connect.1.md → man/src/network/connect.md
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@ -1,16 +1,3 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% OCT 2015
# NAME
docker-network-connect - connect a container to a network
# SYNOPSIS
**docker network connect**
[**--help**]
NETWORK CONTAINER
# DESCRIPTION
Connects a container to a network. You can connect a container by name
or by ID. Once connected, the container can communicate with other containers in
the same network.
@ -50,17 +37,3 @@ support multi-host connectivity, containers connected to the same multi-host
network but launched from different Engines can also communicate in this way.
You can connect a container to one or more networks. The networks need not be the same type. For example, you can connect a single container bridge and overlay networks.
# OPTIONS
**NETWORK**
Specify network name
**CONTAINER**
Specify container name
**--help**
Print usage statement
# HISTORY
OCT 2015, created by Mary Anthony <mary@docker.com>

68
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@ -1,28 +1,3 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% OCT 2015
# NAME
docker-network-create - create a new network
# SYNOPSIS
**docker network create**
[**--attachable**]
[**--aux-address**=*map[]*]
[**-d**|**--driver**=*DRIVER*]
[**--gateway**=*[]*]
[**--help**]
[**--internal**]
[**--ip-range**=*[]*]
[**--ipam-driver**=*default*]
[**--ipam-opt**=*map[]*]
[**--ipv6**]
[**--label**[=*[]*]]
[**-o**|**--opt**=*map[]*]
[**--subnet**=*[]*]
NETWORK-NAME
# DESCRIPTION
Creates a new network. The `DRIVER` accepts `bridge` or `overlay` which are the
built-in network drivers. If you have installed a third party or your own custom
network driver you can specify that `DRIVER` here also. If you don't specify the
@ -142,46 +117,3 @@ By default, when you connect a container to an `overlay` network, Docker also
connects a bridge network to it to provide external connectivity. If you want
to create an externally isolated `overlay` network, you can specify the
`--internal` option.
# OPTIONS
**--attachable**
Enable manual container attachment
**--aux-address**=map[]
Auxiliary IPv4 or IPv6 addresses used by network driver
**-d**, **--driver**=*DRIVER*
Driver to manage the Network bridge or overlay. The default is bridge.
**--gateway**=[]
IPv4 or IPv6 Gateway for the master subnet
**--help**
Print usage
**--internal**
Restrict external access to the network
**--ip-range**=[]
Allocate container ip from a sub-range
**--ipam-driver**=*default*
IP Address Management Driver
**--ipam-opt**=map[]
Set custom IPAM driver options
**--ipv6**
Enable IPv6 networking
**--label**=*label*
Set metadata for a network
**-o**, **--opt**=map[]
Set custom driver options
**--subnet**=[]
Subnet in CIDR format that represents a network segment
# HISTORY
OCT 2015, created by Mary Anthony <mary@docker.com>

5
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@ -0,0 +1,5 @@
Disconnects a container from a network.
```bash
$ docker network disconnect multi-host-network container1
```

24
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@ -1,17 +1,3 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% OCT 2015
# NAME
docker-network-inspect - inspect a network
# SYNOPSIS
**docker network inspect**
[**-f**|**--format**[=*FORMAT*]]
[**--help**]
NETWORK [NETWORK...]
# DESCRIPTION
Returns information about one or more networks. By default, this command renders all results in a JSON object. For example, if you connect two containers to the default `bridge` network:
```bash
@ -100,13 +86,3 @@ $ docker network inspect simple-network
}
]
```
# OPTIONS
**-f**, **--format**=""
Format the output using the given Go template.
**--help**
Print usage statement
# HISTORY
OCT 2015, created by Mary Anthony <mary@docker.com>

53
man/docker-network-ls.1.md → man/src/network/ls.md
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@ -1,19 +1,3 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% OCT 2015
# NAME
docker-network-ls - list networks
# SYNOPSIS
**docker network ls**
[**-f**|**--filter**[=*[]*]]
[**--format**=*"TEMPLATE"*]
[**--no-trunc**[=*true*|*false*]]
[**-q**|**--quiet**[=*true*|*false*]]
[**--help**]
# DESCRIPTION
Lists all the networks the Engine `daemon` knows about. This includes the
networks that span across multiple hosts in a cluster, for example:
@ -158,31 +142,16 @@ $ docker network rm `docker network ls --filter type=custom -q`
A warning will be issued when trying to remove a network that has containers
attached.
# OPTIONS
## Format
**-f**, **--filter**=*[]*
filter output based on conditions provided.
Format uses a Go template to print the output. The following variables are
supported:
**--format**="*TEMPLATE*"
Pretty-print networks using a Go template.
Valid placeholders:
.ID - Network ID
.Name - Network name
.Driver - Network driver
.Scope - Network scope (local, global)
.IPv6 - Whether IPv6 is enabled on the network or not
.Internal - Whether the network is internal or not
.Labels - All labels assigned to the network
.Label - Value of a specific label for this network. For example `{{.Label "project.version"}}`
**--no-trunc**=*true*|*false*
Do not truncate the output
**-q**, **--quiet**=*true*|*false*
Only display network IDs
**--help**
Print usage statement
# HISTORY
OCT 2015, created by Mary Anthony <mary@docker.com>
* .ID - Network ID
* .Name - Network name
* .Driver - Network driver
* .Scope - Network scope (local, global)
* .IPv6 - Whether IPv6 is enabled on the network or not
* .Internal - Whether the network is internal or not
* .Labels - All labels assigned to the network
* .Label - Value of a specific label for this network. For example `{{.Label "project.version"}}`

23
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@ -1,16 +1,3 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% OCT 2015
# NAME
docker-network-rm - remove one or more networks
# SYNOPSIS
**docker network rm**
[**--help**]
NETWORK [NETWORK...]
# DESCRIPTION
Removes one or more networks by name or identifier. To remove a network,
you must first disconnect any containers connected to it.
To remove the network named 'my-network':
@ -31,13 +18,3 @@ When you specify multiple networks, the command attempts to delete each in turn.
If the deletion of one network fails, the command continues to the next on the
list and tries to delete that. The command reports success or failure for each
deletion.
# OPTIONS
**NETWORK**
Specify network name or id
**--help**
Print usage statement
# HISTORY
OCT 2015, created by Mary Anthony <mary@docker.com>

1
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@ -0,0 +1 @@
Alias for `docker container pause`.

1
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@ -0,0 +1 @@
Alias for `docker container port`.

1
man/src/ps.md Normal file
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@ -0,0 +1 @@
Alias for `docker container ls`.

1
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@ -0,0 +1 @@
Alias for `docker image pull`.

1
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@ -0,0 +1 @@
Alias for `docker image push`.

1
man/src/rename.md Normal file
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@ -0,0 +1 @@
Alias for `docker container rename`.

1
man/src/restart.md Normal file
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@ -0,0 +1 @@
Alias for `docker container restart`.

1
man/src/rm.md Normal file
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@ -0,0 +1 @@
Alias for `docker container rm`.

1
man/src/rmi.md Normal file
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@ -0,0 +1 @@
Alias for `docker image rm`.

1
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@ -0,0 +1 @@
Alias for `docker image save`.

36
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@ -1,42 +1,16 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-search - Search the Docker Hub for images
# SYNOPSIS
**docker search**
[**-f**|**--filter**[=*[]*]]
[**--help**]
[**--limit**[=*LIMIT*]]
[**--no-trunc**]
TERM
# DESCRIPTION
Search Docker Hub for images that match the specified `TERM`. The table
of images returned displays the name, description (truncated by default), number
of stars awarded, whether the image is official, and whether it is automated.
*Note* - Search queries will only return up to 25 results
# OPTIONS
## Filter
**-f**, **--filter**=[]
Filter output based on these conditions:
- stars=<numberOfStar>
- is-automated=(true|false)
- is-official=(true|false)
**--help**
Print usage statement
**--limit**=*LIMIT*
Maximum returned search results. The default is 25.
**--no-trunc**=*true*|*false*
Don't truncate output. The default is *false*.
# EXAMPLES
## Search Docker Hub for ranked images
@ -60,11 +34,3 @@ ranked 1 or higher:
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
goldmann/wildfly A WildFly application server running on a ... 3 [OK]
tutum/fedora-20 Fedora 20 image with SSH access. For the r... 1 [OK]
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
April 2015, updated by Mary Anthony for v2 <mary@docker.com>
April 2016, updated by Vincent Demeester <vincent@sbr.pm>

1
man/src/start.md Normal file
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@ -0,0 +1 @@
Alias for `docker container start`.

1
man/src/stats.md Normal file
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@ -0,0 +1 @@
Alias for `docker container stats`.

1
man/src/stop.md Normal file
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@ -0,0 +1 @@
Alias for `docker container stop`.

46
man/docker-events.1.md → man/src/system/events.md
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@ -1,19 +1,3 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-events - Get real time events from the server
# SYNOPSIS
**docker events**
[**--help**]
[**-f**|**--filter**[=*[]*]]
[**--since**[=*SINCE*]]
[**--until**[=*UNTIL*]]
[**--format**[=*FORMAT*]]
# DESCRIPTION
Get event information from the Docker daemon. Information can include historical
information and real-time information.
@ -34,29 +18,6 @@ Docker networks report the following events:
create, connect, disconnect, destroy
# OPTIONS
**--help**
Print usage statement
**-f**, **--filter**=[]
Filter output based on these conditions
- container (`container=<name or id>`)
- event (`event=<event action>`)
- image (`image=<tag or id>`)
- plugin (experimental) (`plugin=<name or id>`)
- label (`label=<key>` or `label=<key>=<value>`)
- type (`type=<container or image or volume or network or daemon>`)
- volume (`volume=<name or id>`)
- network (`network=<name or id>`)
- daemon (`daemon=<name or id>`)
**--since**=""
Show all events created since timestamp
**--until**=""
Stream events until this timestamp
**--format**=""
Format the output using the given Go template
The `--since` and `--until` parameters can be Unix timestamps, date formatted
timestamps, or Go duration strings (e.g. `10m`, `1h30m`) computed
@ -171,10 +132,3 @@ Lines. For information about JSON Lines, please refer to http://jsonlines.org/ .
2016-07-25T17:30:14.825557616Z plugin pull ec7b87f2ce84330fe076e666f17dfc049d2d7ae0b8190763de94e1f2d105993f (name=tiborvass/no-remove:latest)
2016-07-25T17:30:14.888127370Z plugin enable ec7b87f2ce84330fe076e666f17dfc049d2d7ae0b8190763de94e1f2d105993f (name=tiborvass/no-remove:latest)
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
June 2015, updated by Brian Goff <cpuguy83@gmail.com>
October 2015, updated by Mike Brown <mikebrow@gmail.com>

24
man/docker-info.1.md → man/src/system/info.md
View File

@ -1,15 +1,3 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2014
# NAME
docker-info - Display system-wide information
# SYNOPSIS
**docker info**
[**--help**]
[**-f**|**--format**[=*FORMAT*]]
# DESCRIPTION
This command displays system wide information regarding the Docker installation.
Information displayed includes the kernel version, number of containers and images.
The number of images shown is the number of unique images. The same image tagged
@ -28,13 +16,6 @@ meta data regarding those images are stored. When run for the first time Docker
allocates a certain amount of data space and meta data space from the space
available on the volume where `/var/lib/docker` is mounted.
# OPTIONS
**--help**
Print usage statement
**-f**, **--format**=""
Format the output using the given Go template
# EXAMPLES
## Display Docker system information
@ -180,8 +161,3 @@ You can also specify the output format:
$ docker info --format '{{json .}}'
{"ID":"I54V:OLXT:HVMM:TPKO:JPHQ:CQCD:JNLC:O3BZ:4ZVJ:43XJ:PFHZ:6N2S","Containers":14, ...}
# HISTORY
April 2014, Originally compiled by William Henry (whenry at redhat dot com)
based on docker.com source material and internal work.
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>

1
man/src/tag.md Normal file
View File

@ -0,0 +1 @@
Alias for `docker image tag`.

1
man/src/top.md Normal file
View File

@ -0,0 +1 @@
Alias for `docker container top`.

1
man/src/unpause.md Normal file
View File

@ -0,0 +1 @@
Alias for `docker container pause`.

1
man/src/update.md Normal file
View File

@ -0,0 +1 @@
Alias for `docker container update`.

25
man/docker-version.1.md → man/src/version.md
View File

@ -1,25 +1,6 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% JUNE 2015
# NAME
docker-version - Show the Docker version information.
# SYNOPSIS
**docker version**
[**--help**]
[**-f**|**--format**[=*FORMAT*]]
# DESCRIPTION
This command displays version information for both the Docker client and
daemon.
# OPTIONS
**--help**
Print usage statement
**-f**, **--format**=""
Format the output using the given Go template.
# EXAMPLES
## Display Docker version information
@ -54,9 +35,3 @@ To view all available fields, you can use the format `{{json .}}`.
$ docker version --format '{{json .}}'
{"Client":{"Version":"1.8.0","ApiVersion":"1.20","GitCommit":"f5bae0a","GoVersion":"go1.4.2","Os":"linux","Arch":"amd64","BuildTime":"Tue Jun 23 17:56:00 UTC 2015"},"ServerOK":true,"Server":{"Version":"1.8.0","ApiVersion":"1.20","GitCommit":"f5bae0a","GoVersion":"go1.4.2","Os":"linux","Arch":"amd64","KernelVersion":"3.13.2-gentoo","BuildTime":"Tue Jun 23 17:56:00 UTC 2015"}}
# HISTORY
June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
June 2015, updated by John Howard <jhoward@microsoft.com>
June 2015, updated by Patrick Hemmer <patrick.hemmer@gmail.com>

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