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Merge pull request #9522 from SvenDowideit/add-some-cap-add-examples

Add some cap add examples
This commit is contained in:
Fred Lifton 2014-12-08 15:50:25 -08:00
commit 03d1622ab8

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@ -360,6 +360,34 @@ operator wants to have all capabilities but `MKNOD` they could use:
For interacting with the network stack, instead of using `--privileged` they
should use `--cap-add=NET_ADMIN` to modify the network interfaces.
$ docker run -t -i --rm ubuntu:14.04 ip link add dummy0 type dummy
RTNETLINK answers: Operation not permitted
$ docker run -t -i --rm --cap-add=NET_ADMIN ubuntu:14.04 ip link add dummy0 type dummy
To mount a FUSE based filesystem, you need to combine both `--cap-add` and
`--device`:
$ docker run --rm -it --cap-add SYS_ADMIN sshfs sshfs sven@10.10.10.20:/home/sven /mnt
fuse: failed to open /dev/fuse: Operation not permitted
$ docker run --rm -it --device /dev/fuse sshfs sshfs sven@10.10.10.20:/home/sven /mnt
fusermount: mount failed: Operation not permitted
$ docker run --rm -it --cap-add SYS_ADMIN --device /dev/fuse sshfs
# sshfs sven@10.10.10.20:/home/sven /mnt
The authenticity of host '10.10.10.20 (10.10.10.20)' can't be established.
ECDSA key fingerprint is 25:34:85:75:25:b0:17:46:05:19:04:93:b5:dd:5f:c6.
Are you sure you want to continue connecting (yes/no)? yes
sven@10.10.10.20's password:
root@30aa0cfaf1b5:/# ls -la /mnt/src/docker
total 1516
drwxrwxr-x 1 1000 1000 4096 Dec 4 06:08 .
drwxrwxr-x 1 1000 1000 4096 Dec 4 11:46 ..
-rw-rw-r-- 1 1000 1000 16 Oct 8 00:09 .dockerignore
-rwxrwxr-x 1 1000 1000 464 Oct 8 00:09 .drone.yml
drwxrwxr-x 1 1000 1000 4096 Dec 4 06:11 .git
-rw-rw-r-- 1 1000 1000 461 Dec 4 06:08 .gitignore
....
If the Docker daemon was started using the `lxc` exec-driver
(`docker -d --exec-driver=lxc`) then the operator can also specify LXC options
using one or more `--lxc-conf` parameters. These can be new parameters or