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docs: clarify systemd cgroup mount

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Closes: https://github.com/containers/podman/issues/20521

[CI:DOCS] clarify systemd cgroup mount

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano
2023-10-30 10:33:23 +01:00
parent 0943f3bcbc
commit e9dd411832
1 changed files with 2 additions and 1 deletions
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docs/source/markdown/options/systemd.md
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@ -19,12 +19,13 @@ Running the container in systemd mode causes the following changes:
* _/run_
* _/run/lock_
* _/tmp_
* _/sys/fs/cgroup/systemd_
* _/sys/fs/cgroup/systemd_ (on a cgroup v1 system)
* _/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.
* Podman does not mount virtual consoles (_/dev/tty\d+_) when running with **--privileged**.
* On cgroup v2, */sys/fs/cgroup* is mounted writeable.
This allows systemd to run in a confined container without any modifications.