[systemd-devel] what is the best way to connect to another user's service (when root)?

[Jeff Solomon]

Hi,

More questions about the systemd user service.

Inside a script running as root, I want to control another user's service.

I have found two ways to do this:

    systemd-run -t --setenv=XDG_RUNTIME_DIR=/run/user/<uid> --uid=<uid>
systemctl --user ...

or:

    su -l <username> -c "XDG_RUNTIME_DIR=/run/user/<uid> systemctl --user
..."

Both work.

If there a better way to do this?

My distros aren't recent enough to include "machinectl shell" but is that
the recommended way now?

    machinectl --uid=<uid> shell /bin/systemctl --user ...

Perhaps there is not enough demand to justify it, but I would love if the
systemctl command itself had a way to specify that it should communicate
with a different user's service rather than system service or the calling
user's service. Something like:

    systemctl --uid=<uid> --user ..

would be awesome.

Jeff
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