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| author | Daniel J Walsh <dwalsh@redhat.com> | 2022-03-23 14:12:07 -0400 |
|---|---|---|
| committer | Daniel J Walsh <dwalsh@redhat.com> | 2022-03-23 15:05:30 -0400 |
| commit | 5e28cbc5fcdd89fc3623fe2324d7ba7fa6117d21 (patch) | |
| tree | 9b88539a5407c6f9f1d3268412b91a0aac0ac83e /docs | |
| parent | f049cba47c31d31a4a8ed9a9180f0e847be3411c (diff) | |
| download | podman-5e28cbc5fcdd89fc3623fe2324d7ba7fa6117d21.tar.gz podman-5e28cbc5fcdd89fc3623fe2324d7ba7fa6117d21.tar.bz2 podman-5e28cbc5fcdd89fc3623fe2324d7ba7fa6117d21.zip | |
When running systemd in a container set container_uuid
systemd expects the container_uuid environment variable be set
when it is running in a container.
Fixes: https://github.com/containers/podman/issues/13187
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/source/markdown/podman-create.1.md | 23 | ||||
| -rw-r--r-- | docs/source/markdown/podman-run.1.md | 29 |
2 files changed, 29 insertions, 23 deletions
diff --git a/docs/source/markdown/podman-create.1.md b/docs/source/markdown/podman-create.1.md index 506f575fe..1f0d485ca 100644 --- a/docs/source/markdown/podman-create.1.md +++ b/docs/source/markdown/podman-create.1.md @@ -1020,15 +1020,20 @@ Run container in systemd mode. The default is *true*. The value *always* enforces the systemd mode is enforced without looking at the executable name. Otherwise, if set to true and the -command you are running inside the container is systemd, /usr/sbin/init, -/sbin/init or /usr/local/sbin/init. - -If the command you are running inside of the container is systemd, -Podman will setup tmpfs mount points in the following directories: - -/run, /run/lock, /tmp, /sys/fs/cgroup/systemd, /var/lib/journal - -It will also set the default stop signal to SIGRTMIN+3. +command you are running inside the container is **systemd**, **/usr/sbin/init**, +**/sbin/init** or **/usr/local/sbin/init**. + +Running the container in systemd mode causes the following changes: + +* Podman mounts tmpfs file systems on the following directories + * _/run_ + * _/run/lock_ + * _/tmp_ + * _/sys/fs/cgroup/systemd_ + * _/var/lib/journal_ +* Podman sets the default stop signal to **SIGRTMIN+3**. +* Podman sets **container_uuid** environment variable in the container to the +first 32 characters of the container id. This allows systemd to run in a confined container without any modifications. diff --git a/docs/source/markdown/podman-run.1.md b/docs/source/markdown/podman-run.1.md index 7fa7bda30..03e46bf85 100644 --- a/docs/source/markdown/podman-run.1.md +++ b/docs/source/markdown/podman-run.1.md @@ -1082,20 +1082,21 @@ Note: if you use the **--network=host** option, these sysctls will not be allowe Run container in systemd mode. The default is **true**. The value *always* enforces the systemd mode is enforced without -looking at the executable name. Otherwise, if set to **true** and the -command you are running inside the container is systemd, _/usr/sbin/init_, -_/sbin/init_ or _/usr/local/sbin/init_. - -If the command you are running inside of the container is systemd -Podman will setup tmpfs mount points in the following directories: - -- _/run_ -- _/run/lock_ -- _/tmp_ -- _/sys/fs/cgroup/systemd_ -- _/var/lib/journal_ - -It will also set the default stop signal to **SIGRTMIN+3**. +looking at the executable name. Otherwise, if set to true and the +command you are running inside the container is **systemd**, **/usr/sbin/init**, +**/sbin/init** or **/usr/local/sbin/init**. + +Running the container in systemd mode causes the following changes: + +* Podman mounts tmpfs file systems on the following directories + * _/run_ + * _/run/lock_ + * _/tmp_ + * _/sys/fs/cgroup/systemd_ + * _/var/lib/journal_ +* Podman sets the default stop signal to **SIGRTMIN+3**. +* Podman sets **container_uuid** environment variable in the container to the +first 32 characters of the container id. This allows systemd to run in a confined container without any modifications. |