There is also the issue that and x2go login sets "linger" mode:

loginctl enable-linger

If this is needed (linger needs to be enabled), it would be good if x2go did a:

loginctl disable-linger

on log out.

On Wed, 11 Aug 2021 at 21:02, Ulrich Sibiller <uli42@gmx.de> wrote:
On Wed, Aug 11, 2021 at 11:57 AM Mike Gabriel
<mike.gabriel@das-netzwerkteam.de> wrote:
> > Probably it would be best to use dbus for session termination if it
> > is running.
>
> This could be one puzzle piece, indeed. Basically, we can kill
> x2goruncommand and then the session manager would automatically go
> into logout.
>
> However, esp. the GTK desktops (MATE, XFCE, etc.) leave many stray
> processes around (e.g. gvfsd, colord, etc.). For these friends, some
> more intelligence is required. Might have that in the X2Go Server
> renicer code already, because Lee at those early times worked on code
> that detects the complete process tree of a running desktop session.
>
> Nowadays, one could argue that cgroups are another and better
> alternative. But cgroups are not available on non-Linux, so maybe a
> kernel-agnostic approach is a more favourable way to go?

Yes, I absolutely vote for cgroups. Other systems probably have
similar approaches but for Linux cgroups is the way to go, IMO.

Uli
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