On Tue 22 Nov 2022 at 13:23:14 (+0100), Urs Thuermann wrote: > After shutdown -h <time> I see no way to see this scheduled shutdown. > Before systemd, I could always see the shutdown process with its > arguments using ps(1). > > Now, the call to shutdown returns to the shell immediately leaving no > process. It probably communicates to the init process 1, but, as > usual for systemd, very little or nothing seems to be documented. Or > at least it's hidden, so that you cannot find it in reasonable time. > > I couldn't find any relevant differences with and without a scheduled > shutdown in the output of systemctl status --all and systemctl show --all.
There's a file, "scheduled", that's created in /run/systemd/shutdown, which contains the time, noisiness and destiny of the shutdown. I haven't tried editing, say, the noisiness, to see whether I can stop the flow of Wall messages on all my xterms. Cheers, David.