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rootless: update for v20.10.6 

- btrfs is now supported (moby/moby PR 42253)
- CLI context "rootless" is now created by default (moby/moby PR 42109)

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
This commit is contained in:
Akihiro Suda 2021-04-14 14:47:57 +09:00
parent 31a78afbdd
commit 5f47c24504
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8
engine/security/rootless.md
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@ -116,6 +116,7 @@ testuser:231072:65536
- Only the following storage drivers are supported:
- `overlay2` (only if running with kernel 5.11 or later, or Ubuntu-flavored kernel, or Debian-flavored kernel)
- `fuse-overlayfs` (only if running with kernel 4.18 or later, and `fuse-overlayfs` is installed)
- `btrfs` (only if running with kernel 4.18 or later, or `~/.local/share/docker` is mounted with `user_subvol_rm_allowed` mount option)
- `vfs`
- Cgroup is supported only when running with cgroup v2 and systemd. See [Limiting resources](#limiting-resources).
- Following features are not supported:
@ -268,7 +269,7 @@ Remarks about directory paths:
### Client
You need to specify the socket path explicitly.
You need to specify either the socket path or the CLI context explicitly.
To specify the socket path using `$DOCKER_HOST`:
@ -277,12 +278,9 @@ $ export DOCKER_HOST=unix://$XDG_RUNTIME_DIR/docker.sock
$ docker run -d -p 8080:80 nginx
```
To specify the socket path using `docker context`:
To specify the CLI context using `docker context`:
```console
$ docker context create rootless --description "for rootless mode" --docker "host=unix://$XDG_RUNTIME_DIR/docker.sock"
rootless
Successfully created context "rootless"
$ docker context use rootless
rootless
Current context is now "rootless"