From b36522b47346ecc1824aa0d14ec7d1e741291523 Mon Sep 17 00:00:00 2001 From: Sebastiaan van Stijn Date: Wed, 24 Jul 2024 09:03:28 +0200 Subject: [PATCH] docs: refresh image versions in examples use current LTS versions of ubuntu where suitable, remove uses of ubuntu:23.10 (which reache EOL), and and update some other examples to use more current versions. Signed-off-by: Sebastiaan van Stijn --- .../reference/commandline/container_attach.md | 2 +- .../reference/commandline/container_commit.md | 16 +++---- docs/reference/commandline/container_ls.md | 10 ++--- docs/reference/commandline/image_pull.md | 42 +++++++++--------- docs/reference/commandline/service_create.md | 2 +- docs/reference/commandline/system_events.md | 8 ++-- docs/reference/run.md | 42 +++++++++--------- man/src/container/attach.md | 15 +++---- man/src/container/ls.md | 4 +- man/src/image/ls.md | 2 +- man/src/image/pull.md | 43 +++++++++---------- man/src/system/events.md | 34 +++++++-------- 12 files changed, 106 insertions(+), 114 deletions(-) diff --git a/docs/reference/commandline/container_attach.md b/docs/reference/commandline/container_attach.md index 5f1b1e99aa..69673d7ccf 100644 --- a/docs/reference/commandline/container_attach.md +++ b/docs/reference/commandline/container_attach.md @@ -97,7 +97,7 @@ CONTAINER ID IMAGE COMMAND CREATED STATUS Repeating the example above, but this time with the `-i` and `-t` options set; ```console -$ docker run -dit --name topdemo2 ubuntu:22.04 /usr/bin/top -b +$ docker run -dit --name topdemo2 alpine /usr/bin/top -b ``` Now, when attaching to the container, and pressing the `CTRL-p CTRL-q` ("read diff --git a/docs/reference/commandline/container_commit.md b/docs/reference/commandline/container_commit.md index c7bad61ee9..636e85ba29 100644 --- a/docs/reference/commandline/container_commit.md +++ b/docs/reference/commandline/container_commit.md @@ -44,8 +44,8 @@ created. Supported `Dockerfile` instructions: $ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES -c3f279d17e0a ubuntu:22.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky -197387f1b436 ubuntu:22.04 /bin/bash 7 days ago Up 25 hours focused_hamilton +c3f279d17e0a ubuntu:24.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky +197387f1b436 ubuntu:24.04 /bin/bash 7 days ago Up 25 hours focused_hamilton $ docker commit c3f279d17e0a svendowideit/testimage:version3 @@ -63,8 +63,8 @@ svendowideit/testimage version3 f5283438590d 16 sec $ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES -c3f279d17e0a ubuntu:22.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky -197387f1b436 ubuntu:22.04 /bin/bash 7 days ago Up 25 hours focused_hamilton +c3f279d17e0a ubuntu:24.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky +197387f1b436 ubuntu:24.04 /bin/bash 7 days ago Up 25 hours focused_hamilton $ docker inspect -f "{{ .Config.Env }}" c3f279d17e0a @@ -85,8 +85,8 @@ $ docker inspect -f "{{ .Config.Env }}" f5283438590d $ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES -c3f279d17e0a ubuntu:22.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky -197387f1b436 ubuntu:22.04 /bin/bash 7 days ago Up 25 hours focused_hamilton +c3f279d17e0a ubuntu:24.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky +197387f1b436 ubuntu:24.04 /bin/bash 7 days ago Up 25 hours focused_hamilton $ docker commit --change='CMD ["apachectl", "-DFOREGROUND"]' -c "EXPOSE 80" c3f279d17e0a svendowideit/testimage:version4 @@ -100,6 +100,6 @@ $ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 89373736e2e7 testimage:version4 "apachectl -DFOREGROU" 3 seconds ago Up 2 seconds 80/tcp distracted_fermat -c3f279d17e0a ubuntu:22.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky -197387f1b436 ubuntu:22.04 /bin/bash 7 days ago Up 25 hours focused_hamilton +c3f279d17e0a ubuntu:24.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky +197387f1b436 ubuntu:24.04 /bin/bash 7 days ago Up 25 hours focused_hamilton ``` diff --git a/docs/reference/commandline/container_ls.md b/docs/reference/commandline/container_ls.md index 38ee110bc0..b470ec7bd7 100644 --- a/docs/reference/commandline/container_ls.md +++ b/docs/reference/commandline/container_ls.md @@ -33,7 +33,7 @@ Running `docker ps --no-trunc` showing 2 linked containers. $ docker ps --no-trunc CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES -ca5534a51dd04bbcebe9b23ba05f389466cf0c190f1f8f182d7eea92a9671d00 ubuntu:22.04 bash 17 seconds ago Up 16 seconds 3300-3310/tcp webapp +ca5534a51dd04bbcebe9b23ba05f389466cf0c190f1f8f182d7eea92a9671d00 ubuntu:24.04 bash 17 seconds ago Up 16 seconds 3300-3310/tcp webapp 9ca9747b233100676a48cc7806131586213fa5dab86dd1972d6a8732e3a84a4d crosbymichael/redis:latest /redis-server --dir 33 minutes ago Up 33 minutes 6379/tcp redis,webapp/db ``` @@ -240,13 +240,13 @@ CONTAINER ID IMAGE COMMAND CREATED 919e1179bdb8 ubuntu-c1 "top" About a minute ago Up About a minute admiring_lovelace ``` -Match containers based on the `ubuntu` version `22.04` image: +Match containers based on the `ubuntu` version `24.04` image: ```console -$ docker ps --filter ancestor=ubuntu:22.04 +$ docker ps --filter ancestor=ubuntu:24.04 CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES -82a598284012 ubuntu:22.04 "top" 3 minutes ago Up 3 minutes sleepy_bose +82a598284012 ubuntu:24.04 "top" 3 minutes ago Up 3 minutes sleepy_bose ``` The following matches containers based on the layer `d0e008c6cf02` or an image @@ -256,7 +256,7 @@ that have this layer in its layer stack. $ docker ps --filter ancestor=d0e008c6cf02 CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES -82a598284012 ubuntu:22.04 "top" 3 minutes ago Up 3 minutes sleepy_bose +82a598284012 ubuntu:24.04 "top" 3 minutes ago Up 3 minutes sleepy_bose ``` #### Create time diff --git a/docs/reference/commandline/image_pull.md b/docs/reference/commandline/image_pull.md index 5cc19fa384..9ae91fde12 100644 --- a/docs/reference/commandline/image_pull.md +++ b/docs/reference/commandline/image_pull.md @@ -107,8 +107,8 @@ refer to [understand images, containers, and storage drivers](https://docs.docke 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 image again to make sure you have the most up-to-date version of that image. -For example, `docker pull ubuntu:22.04` pulls the latest version of the Ubuntu -22.04 image. +For example, `docker pull ubuntu:24.04` pulls the latest version of the Ubuntu +24.04 image. In some cases you don't want images to be updated to newer versions, but prefer to use a fixed version of an image. Docker enables you to pull an image by its @@ -117,23 +117,23 @@ of an image to pull. Doing so, allows you to "pin" an image to that version, 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:22.04` image from Docker Hub: +`ubuntu:24.04` image from Docker Hub: ```console -$ docker pull ubuntu:22.04 +$ docker pull ubuntu:24.04 -22.04: Pulling from library/ubuntu +24.04: Pulling from library/ubuntu 125a6e411906: Pull complete -Digest: sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d -Status: Downloaded newer image for ubuntu:22.04 -docker.io/library/ubuntu:22.04 +Digest: sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30 +Status: Downloaded newer image for ubuntu:24.04 +docker.io/library/ubuntu:24.04 ``` Docker prints the digest of the image after the pull has finished. In the example above, the digest of the image is: ```console -sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d +sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30 ``` Docker also prints the digest of an image when pushing to a registry. This @@ -143,18 +143,18 @@ 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: ```console -$ docker pull ubuntu@sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d +$ docker pull ubuntu@sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30 -docker.io/library/ubuntu@sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d: Pulling from library/ubuntu -Digest: sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d -Status: Image is up to date for ubuntu@sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d -docker.io/library/ubuntu@sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d +docker.io/library/ubuntu@sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30: Pulling from library/ubuntu +Digest: sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30 +Status: Image is up to date for ubuntu@sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30 +docker.io/library/ubuntu@sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30 ``` Digest can also be used in the `FROM` of a Dockerfile, for example: ```dockerfile -FROM ubuntu@sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d +FROM ubuntu@sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30 LABEL org.opencontainers.image.authors="some maintainer " ``` @@ -215,13 +215,11 @@ shorthand) to see the images that were pulled. The example below shows all the ```console $ docker image ls --filter reference=ubuntu REPOSITORY TAG IMAGE ID CREATED SIZE -ubuntu 18.04 c6ad7e71ba7d 5 weeks ago 63.2MB -ubuntu bionic c6ad7e71ba7d 5 weeks ago 63.2MB -ubuntu 22.04 5ccefbfc0416 2 months ago 78MB -ubuntu focal ff0fea8310f3 2 months ago 72.8MB -ubuntu latest ff0fea8310f3 2 months ago 72.8MB -ubuntu jammy 41ba606c8ab9 3 months ago 79MB -ubuntu 20.04 ba6acccedd29 7 months ago 72.8MB +ubuntu 22.04 8a3cdc4d1ad3 3 weeks ago 77.9MB +ubuntu jammy 8a3cdc4d1ad3 3 weeks ago 77.9MB +ubuntu 24.04 35a88802559d 6 weeks ago 78.1MB +ubuntu latest 35a88802559d 6 weeks ago 78.1MB +ubuntu noble 35a88802559d 6 weeks ago 78.1MB ``` ### Cancel a pull diff --git a/docs/reference/commandline/service_create.md b/docs/reference/commandline/service_create.md index 25b9048b26..d5c0e6364e 100644 --- a/docs/reference/commandline/service_create.md +++ b/docs/reference/commandline/service_create.md @@ -699,7 +699,7 @@ follows: | `node.platform.os` | Node operating system | `node.platform.os==windows` | | `node.platform.arch` | Node architecture | `node.platform.arch==x86_64` | | `node.labels` | User-defined node labels | `node.labels.security==high` | -| `engine.labels` | Docker Engine's labels | `engine.labels.operatingsystem==ubuntu-22.04` | +| `engine.labels` | Docker Engine's labels | `engine.labels.operatingsystem==ubuntu-24.04` | `engine.labels` apply to Docker Engine labels like operating system, drivers, etc. Swarm administrators add `node.labels` for operational purposes by using diff --git a/docs/reference/commandline/system_events.md b/docs/reference/commandline/system_events.md index 376f65f2ee..12d5ee8fcc 100644 --- a/docs/reference/commandline/system_events.md +++ b/docs/reference/commandline/system_events.md @@ -339,10 +339,10 @@ $ docker events --filter 'type=network' $ docker events --filter 'container=container_1' --filter 'container=container_2' -2014-09-03T15:49:29.999999999Z07:00 container die 4386fb97867d (image=ubuntu:22.04) -2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:22.04) -2014-05-10T17:42:14.999999999Z07:00 container die 7805c1d35632 (imager=redis:2.8) -2014-09-03T15:49:29.999999999Z07:00 container stop 7805c1d35632 (image=redis:2.8) +2014-09-03T15:49:29.999999999Z07:00 container die 4386fb97867d (image=ubuntu:24.04) +2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:24.04) +2014-05-10T17:42:14.999999999Z07:00 container die 7805c1d35632 (imager=redis:7.2) +2014-09-03T15:49:29.999999999Z07:00 container stop 7805c1d35632 (image=redis:7.2) $ docker events --filter 'type=volume' diff --git a/docs/reference/run.md b/docs/reference/run.md index eddf530d0c..30b25c2104 100644 --- a/docs/reference/run.md +++ b/docs/reference/run.md @@ -35,7 +35,7 @@ reference to create or run a container based on an image. An image tag is the image version, which defaults to `latest` when omitted. Use the tag to run a container from specific version of an image. For example, to -run version `23.10` of the `ubuntu` image: `docker run ubuntu:23.10`. +run version `24.04` of the `ubuntu` image: `docker run ubuntu:24.04`. #### Image digests @@ -400,14 +400,14 @@ We have four ways to set user memory usage: Examples: ```console -$ docker run -it ubuntu:22.04 /bin/bash +$ docker run -it ubuntu:24.04 /bin/bash ``` We set nothing about memory, this means the processes in the container can use as much memory and swap memory as they need. ```console -$ docker run -it -m 300M --memory-swap -1 ubuntu:22.04 /bin/bash +$ docker run -it -m 300M --memory-swap -1 ubuntu:24.04 /bin/bash ``` We set memory limit and disabled swap memory limit, this means the processes in @@ -415,7 +415,7 @@ the container can use 300M memory and as much swap memory as they need (if the host supports swap memory). ```console -$ docker run -it -m 300M ubuntu:22.04 /bin/bash +$ docker run -it -m 300M ubuntu:24.04 /bin/bash ``` We set memory limit only, this means the processes in the container can use @@ -424,7 +424,7 @@ We set memory limit only, this means the processes in the container can use would be 2*300M, so processes can use 300M swap memory as well. ```console -$ docker run -it -m 300M --memory-swap 1G ubuntu:22.04 /bin/bash +$ docker run -it -m 300M --memory-swap 1G ubuntu:24.04 /bin/bash ``` We set both memory and swap memory, so the processes in the container can use @@ -450,7 +450,7 @@ The following example limits the memory (`-m`) to 500M and sets the memory reservation to 200M. ```console -$ docker run -it -m 500M --memory-reservation 200M ubuntu:22.04 /bin/bash +$ docker run -it -m 500M --memory-reservation 200M ubuntu:24.04 /bin/bash ``` Under this configuration, when the container consumes memory more than 200M and @@ -460,7 +460,7 @@ memory below 200M. The following example set memory reservation to 1G without a hard memory limit. ```console -$ docker run -it --memory-reservation 1G ubuntu:22.04 /bin/bash +$ docker run -it --memory-reservation 1G ubuntu:24.04 /bin/bash ``` The container can use as much memory as it needs. The memory reservation setting @@ -478,13 +478,13 @@ The following example limits the memory to 100M and disables the OOM killer for this container: ```console -$ docker run -it -m 100M --oom-kill-disable ubuntu:22.04 /bin/bash +$ docker run -it -m 100M --oom-kill-disable ubuntu:24.04 /bin/bash ``` The following example, illustrates a dangerous way to use the flag: ```console -$ docker run -it --oom-kill-disable ubuntu:22.04 /bin/bash +$ docker run -it --oom-kill-disable ubuntu:24.04 /bin/bash ``` The container has unlimited memory which can cause the host to run out memory @@ -554,14 +554,14 @@ limit and "K" the kernel limit. There are three possible ways to set limits: Examples: ```console -$ docker run -it -m 500M --kernel-memory 50M ubuntu:22.04 /bin/bash +$ docker run -it -m 500M --kernel-memory 50M ubuntu:24.04 /bin/bash ``` We set memory and kernel memory, so the processes in the container can use 500M memory in total, in this 500M memory, it can be 50M kernel memory tops. ```console -$ docker run -it --kernel-memory 50M ubuntu:22.04 /bin/bash +$ docker run -it --kernel-memory 50M ubuntu:24.04 /bin/bash ``` We set kernel memory without **-m**, so the processes in the container can @@ -578,7 +578,7 @@ between 0 and 100. A value of 0 turns off anonymous page swapping. A value of For example, you can set: ```console -$ docker run -it --memory-swappiness=0 ubuntu:22.04 /bin/bash +$ docker run -it --memory-swappiness=0 ubuntu:24.04 /bin/bash ``` Setting the `--memory-swappiness` option is helpful when you want to retain the @@ -629,7 +629,7 @@ And usually `--cpu-period` should work with `--cpu-quota`. Examples: ```console -$ docker run -it --cpu-period=50000 --cpu-quota=25000 ubuntu:22.04 /bin/bash +$ docker run -it --cpu-period=50000 --cpu-quota=25000 ubuntu:24.04 /bin/bash ``` If there is 1 CPU, this means the container can get 50% CPU worth of run-time every 50ms. @@ -650,13 +650,13 @@ We can set cpus in which to allow execution for containers. Examples: ```console -$ docker run -it --cpuset-cpus="1,3" ubuntu:22.04 /bin/bash +$ docker run -it --cpuset-cpus="1,3" ubuntu:24.04 /bin/bash ``` This means processes in container can be executed on cpu 1 and cpu 3. ```console -$ docker run -it --cpuset-cpus="0-2" ubuntu:22.04 /bin/bash +$ docker run -it --cpuset-cpus="0-2" ubuntu:24.04 /bin/bash ``` This means processes in container can be executed on cpu 0, cpu 1 and cpu 2. @@ -667,14 +667,14 @@ on NUMA systems. Examples: ```console -$ docker run -it --cpuset-mems="1,3" ubuntu:22.04 /bin/bash +$ docker run -it --cpuset-mems="1,3" ubuntu:24.04 /bin/bash ``` This example restricts the processes in the container to only use memory from memory nodes 1 and 3. ```console -$ docker run -it --cpuset-mems="0-2" ubuntu:22.04 /bin/bash +$ docker run -it --cpuset-mems="0-2" ubuntu:24.04 /bin/bash ``` This example restricts the processes in the container to only use memory from @@ -706,8 +706,8 @@ For example, the commands below create two containers with different blkio weight: ```console -$ docker run -it --name c1 --blkio-weight 300 ubuntu:22.04 /bin/bash -$ docker run -it --name c2 --blkio-weight 600 ubuntu:22.04 /bin/bash +$ docker run -it --name c1 --blkio-weight 300 ubuntu:24.04 /bin/bash +$ docker run -it --name c2 --blkio-weight 600 ubuntu:24.04 /bin/bash ``` If you do block IO in the two containers at the same time, by, for example: @@ -923,11 +923,11 @@ For interacting with the network stack, instead of using `--privileged` they should use `--cap-add=NET_ADMIN` to modify the network interfaces. ```console -$ docker run -it --rm ubuntu:22.04 ip link add dummy0 type dummy +$ docker run -it --rm ubuntu:24.04 ip link add dummy0 type dummy RTNETLINK answers: Operation not permitted -$ docker run -it --rm --cap-add=NET_ADMIN ubuntu:22.04 ip link add dummy0 type dummy +$ docker run -it --rm --cap-add=NET_ADMIN ubuntu:24.04 ip link add dummy0 type dummy ``` To mount a FUSE based filesystem, you need to combine both `--cap-add` and diff --git a/man/src/container/attach.md b/man/src/container/attach.md index acd5376d1c..7eb98e1cf9 100644 --- a/man/src/container/attach.md +++ b/man/src/container/attach.md @@ -21,16 +21,13 @@ In this example the top command is run inside a container from an ubuntu image, in detached mode, then attaches to it, and then terminates the container with `CTRL-c`: - $ docker run -d --name topdemo ubuntu:20.04 /usr/bin/top -b + $ docker run -d --name topdemo alpine top -b $ docker attach topdemo - top - 00:07:01 up 4:54, 0 users, load average: 0.83, 0.91, 0.82 - Tasks: 1 total, 1 running, 0 sleeping, 0 stopped, 0 zombie - %Cpu(s): 2.3 us, 1.6 sy, 0.0 ni, 95.9 id, 0.0 wa, 0.1 hi, 0.1 si, 0.0 st - MiB Mem : 15846.2 total, 5729.2 free, 2592.5 used, 7524.4 buff/cache - MiB Swap: 16384.0 total, 16384.0 free, 0.0 used. 12097.3 avail Mem - - PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND - 1 root 20 0 5976 3256 2828 R 0.0 0.0 0:00.04 top + Mem: 2395856K used, 5638884K free, 2328K shrd, 61904K buff, 1524264K cached + CPU: 0% usr 0% sys 0% nic 99% idle 0% io 0% irq 0% sirq + Load average: 0.15 0.06 0.01 1/567 6 + PID PPID USER STAT VSZ %VSZ CPU %CPU COMMAND + 1 0 root R 1700 0% 3 0% top -b ^C ## Override the detach sequence diff --git a/man/src/container/ls.md b/man/src/container/ls.md index 5c8541721d..013fa9cde0 100644 --- a/man/src/container/ls.md +++ b/man/src/container/ls.md @@ -48,10 +48,10 @@ Valid placeholders for the Go template are listed below: $ docker container ls -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES - a87ecb4f327c ubuntu:22.04 /bin/sh -c #(nop) MA 20 minutes ago Exit 0 desperate_brattain + a87ecb4f327c ubuntu:24.04 /bin/sh -c #(nop) MA 20 minutes ago Exit 0 desperate_brattain 01946d9d34d8 busybox /bin/sh -c #(nop) MA 33 minutes ago Exit 0 thirsty_bell c1d3b0166030 acffc0358b9e /bin/sh -c yum -y up 2 weeks ago Exit 1 determined_torvalds - 41d50ecd2f57 ubuntu:22.04 /bin/sh -c #(nop) MA 2 weeks ago Exit 0 drunk_pike + 41d50ecd2f57 ubuntu:24.04 /bin/sh -c #(nop) MA 2 weeks ago Exit 0 drunk_pike ## Display only IDs of all containers, including non-running diff --git a/man/src/image/ls.md b/man/src/image/ls.md index ba6a708adf..463fc75fba 100644 --- a/man/src/image/ls.md +++ b/man/src/image/ls.md @@ -10,7 +10,7 @@ The title REPOSITORY for the first title may seem confusing. It is essentially the image name. However, because you can tag a specific image, and multiple tags (image instances) can be associated with a single name, the name is really a repository for all tagged images of the same name. For example consider an image -called ubuntu. It may be tagged with 20.04 or 22.04, etc. to manage different +called ubuntu. It may be tagged with 24.04 or 22.04, etc. to manage different versions. ## Filters diff --git a/man/src/image/pull.md b/man/src/image/pull.md index 8187ede1e8..caba00938c 100644 --- a/man/src/image/pull.md +++ b/man/src/image/pull.md @@ -64,8 +64,8 @@ in the online documentation. 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 image pull` an image again to make sure you have the most up-to-date version of that image. -For example, `docker image pull ubuntu:22.04` pulls the latest version of the Ubuntu -22.04 image. +For example, `docker image pull ubuntu:24.04` pulls the latest version of the Ubuntu +24.04 image. In some cases you don't want images to be updated to newer versions, but prefer to use a fixed version of an image. Docker enables you to pull an image by its @@ -74,20 +74,20 @@ of an image to pull. Doing so, allows you to "pin" an image to that version, 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:22.04` image from Docker Hub: +`ubuntu:24.04` image from Docker Hub: - $ docker image pull ubuntu:22.04 + $ docker image pull ubuntu:24.04 - 22.04: Pulling from library/ubuntu + 24.04: Pulling from library/ubuntu 125a6e411906: Pull complete - Digest: sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d - Status: Downloaded newer image for ubuntu:22.04 - docker.io/library/ubuntu:22.04 + Digest: sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30 + Status: Downloaded newer image for ubuntu:24.04 + docker.io/library/ubuntu:24.04 Docker prints the digest of the image after the pull has finished. In the example above, the digest of the image is: - sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d + sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30 Docker also prints the digest of an image when *pushing* to a registry. This may be useful if you want to pin to a version of the image you just pushed. @@ -95,16 +95,16 @@ 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 image pull ubuntu@sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d + $ docker image pull ubuntu@sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30 - docker.io/library/ubuntu@sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d: Pulling from library/ubuntu - Digest: sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d - Status: Image is up to date for ubuntu@sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d - docker.io/library/ubuntu@sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d + docker.io/library/ubuntu@sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30: Pulling from library/ubuntu + Digest: sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30 + Status: Image is up to date for ubuntu@sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30 + docker.io/library/ubuntu@sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30 Digest can also be used in the `FROM` of a Dockerfile, for example: - FROM ubuntu@sha256:26c68657ccce2cb0a31b330cb0be2b5e108d467f641c62e13ab40cbec258c68d + FROM ubuntu@sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30 LABEL org.opencontainers.image.authors="some maintainer " > **Note** @@ -159,14 +159,11 @@ images that are present locally: $ docker image ls --filter reference=ubuntu REPOSITORY TAG IMAGE ID CREATED SIZE - ubuntu 18.04 c6ad7e71ba7d 5 weeks ago 63.2MB - ubuntu bionic c6ad7e71ba7d 5 weeks ago 63.2MB - ubuntu 22.04 5ccefbfc0416 2 months ago 78MB - ubuntu focal ff0fea8310f3 2 months ago 72.8MB - ubuntu latest ff0fea8310f3 2 months ago 72.8MB - ubuntu jammy 41ba606c8ab9 3 months ago 79MB - ubuntu 20.04 ba6acccedd29 7 months ago 72.8MB - ... + ubuntu 22.04 8a3cdc4d1ad3 3 weeks ago 77.9MB + ubuntu jammy 8a3cdc4d1ad3 3 weeks ago 77.9MB + ubuntu 24.04 35a88802559d 6 weeks ago 78.1MB + ubuntu latest 35a88802559d 6 weeks ago 78.1MB + ubuntu noble 35a88802559d 6 weeks ago 78.1MB ## Cancel a pull diff --git a/man/src/system/events.md b/man/src/system/events.md index 801f53f14e..da2d512186 100644 --- a/man/src/system/events.md +++ b/man/src/system/events.md @@ -62,10 +62,10 @@ The following example outputs all events that were generated in the last 3 minut relative to the current time on the client machine: # docker events --since '3m' - 2015-05-12T11:51:30.999999999Z07:00 4386fb97867d: (from ubuntu:22.04) die - 2015-05-12T15:52:12.999999999Z07:00 4386fb97867d: (from ubuntu:22.04) stop - 2015-05-12T15:53:45.999999999Z07:00 7805c1d35632: (from redis:2.8) die - 2015-05-12T15:54:03.999999999Z07:00 7805c1d35632: (from redis:2.8) stop + 2015-05-12T11:51:30.999999999Z07:00 4386fb97867d: (from ubuntu:24.04) die + 2015-05-12T15:52:12.999999999Z07:00 4386fb97867d: (from ubuntu:24.04) stop + 2015-05-12T15:53:45.999999999Z07:00 7805c1d35632: (from redis:7.2) die + 2015-05-12T15:54:03.999999999Z07:00 7805c1d35632: (from redis:7.2) stop If you do not provide the --since option, the command returns only new and/or live events. @@ -97,26 +97,26 @@ Lines. For information about JSON Lines, refer to https://jsonlines.org . ## Filters $ docker events --filter 'event=stop' - 2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:22.04) - 2014-09-03T17:42:14.999999999Z07:00 container stop 7805c1d35632 (image=redis:2.8) + 2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:24.04) + 2014-09-03T17:42:14.999999999Z07:00 container stop 7805c1d35632 (image=redis:7.2) - $ docker events --filter 'image=ubuntu:22.04' - 2014-05-10T17:42:14.999999999Z07:00 container start 4386fb97867d (image=ubuntu:22.04) - 2014-05-10T17:42:14.999999999Z07:00 container die 4386fb97867d (image=ubuntu:22.04) - 2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:22.04) + $ docker events --filter 'image=ubuntu:24.04' + 2014-05-10T17:42:14.999999999Z07:00 container start 4386fb97867d (image=ubuntu:24.04) + 2014-05-10T17:42:14.999999999Z07:00 container die 4386fb97867d (image=ubuntu:24.04) + 2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:24.04) $ docker events --filter 'container=7805c1d35632' - 2014-05-10T17:42:14.999999999Z07:00 container die 7805c1d35632 (image=redis:2.8) - 2014-09-03T15:49:29.999999999Z07:00 container stop 7805c1d35632 (image= redis:2.8) + 2014-05-10T17:42:14.999999999Z07:00 container die 7805c1d35632 (image=redis:7.2) + 2014-09-03T15:49:29.999999999Z07:00 container stop 7805c1d35632 (image= redis:7.2) $ docker events --filter 'container=7805c1d35632' --filter 'container=4386fb97867d' - 2014-09-03T15:49:29.999999999Z07:00 container die 4386fb97867d (image=ubuntu:22.04) - 2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:22.04) - 2014-05-10T17:42:14.999999999Z07:00 container die 7805c1d35632 (image=redis:2.8) - 2014-09-03T15:49:29.999999999Z07:00 container stop 7805c1d35632 (image=redis:2.8) + 2014-09-03T15:49:29.999999999Z07:00 container die 4386fb97867d (image=ubuntu:24.04) + 2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:24.04) + 2014-05-10T17:42:14.999999999Z07:00 container die 7805c1d35632 (image=redis:7.2) + 2014-09-03T15:49:29.999999999Z07:00 container stop 7805c1d35632 (image=redis:7.2) $ docker events --filter 'container=7805c1d35632' --filter 'event=stop' - 2014-09-03T15:49:29.999999999Z07:00 container stop 7805c1d35632 (image=redis:2.8) + 2014-09-03T15:49:29.999999999Z07:00 container stop 7805c1d35632 (image=redis:7.2) $ docker events --filter 'type=volume' 2015-12-23T21:05:28.136212689Z volume create test-event-volume-local (driver=local)