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| -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 |