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Docker should use /var/lib/container/tmp for large temporary files. 

/tmp is often a tmpfs file system and large temporary files could cause
docker commands to fail.  Also using /tmp potentially allows users on the
system to get access to content, or even attack the content.  Moving the tmpdir to
/var/lib/container/tmp will protect the data.

Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)

Conflicts:
	docker/docker.go
This commit is contained in:
Dan Walsh 2014-08-05 16:43:33 -04:00 committed by Tibor Vass
parent 83b89cd5cd
commit 6d9e4e513a
1 changed files with 3 additions and 4 deletions
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docs/sources/reference/commandline/cli.md
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@ -120,12 +120,11 @@ systemd in the [docker source tree](
https://github.com/docker/docker/blob/master/contrib/init/systemd/socket-activation/).
Docker supports softlinks for the Docker data directory
(`/var/lib/docker`) and for `/tmp`. TMPDIR and the data directory can be set
like this:
(`/var/lib/docker`) and for `/var/lib/docker/tmp`. The `DOCKER_TMPDIR` and the data directory can be set like this:
TMPDIR=/mnt/disk2/tmp /usr/local/bin/docker -d -D -g /var/lib/docker -H unix:// > /var/lib/boot2docker/docker.log 2>&1
DOCKER_TMPDIR=/mnt/disk2/tmp /usr/local/bin/docker -d -D -g /var/lib/docker -H unix:// > /var/lib/boot2docker/docker.log 2>&1
# or
export TMPDIR=/mnt/disk2/tmp
export DOCKER_TMPDIR=/mnt/disk2/tmp
/usr/local/bin/docker -d -D -g /var/lib/docker -H unix:// > /var/lib/boot2docker/docker.log 2>&1
## attach