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| author | Arvid E. Picciani <aep@exys.org> | 2021-12-01 09:21:04 +0100 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2021-12-01 10:16:15 +0100 |
| commit | 312dac28695ebe7c316c9b2dec40bc7182f5e28e (patch) | |
| tree | 9979e49a0361e22e998a027f11d6f43a0a9d196e /docs/CONTAINER_INTERFACE.md | |
| parent | core: add Condition[Memory/CPU/IO]Pressure (diff) | |
| download | systemd-312dac28695ebe7c316c9b2dec40bc7182f5e28e.tar.xz systemd-312dac28695ebe7c316c9b2dec40bc7182f5e28e.zip | |
docs: document that systemd closes console during normal runtime
fixes #21451
Signed-off-by: Arvid E. Picciani <aep@exys.org>
Diffstat (limited to 'docs/CONTAINER_INTERFACE.md')
| -rw-r--r-- | docs/CONTAINER_INTERFACE.md | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/docs/CONTAINER_INTERFACE.md b/docs/CONTAINER_INTERFACE.md index 9ca991cab5..9ce4f64587 100644 --- a/docs/CONTAINER_INTERFACE.md +++ b/docs/CONTAINER_INTERFACE.md @@ -37,7 +37,10 @@ manager, please consider supporting the following interfaces. in this context.) 3. Pre-mount `/dev/` as (container private) `tmpfs` for the container and bind - mount some suitable TTY to `/dev/console`. Also, make sure to create device + mount some suitable TTY to `/dev/console`. If this is a pty, make sure to not + close the controling pty master during systemd's lifetime. PID1 will close ttys, + to avoid being killed by SAK. It only opens ttys for the time it + actually needs to print something. Also, make sure to create device nodes for `/dev/null`, `/dev/zero`, `/dev/full`, `/dev/random`, `/dev/urandom`, `/dev/tty`, `/dev/ptmx` in `/dev/`. It is not necessary to create `/dev/fd` or `/dev/stdout`, as systemd will do that on its own. Make |