[arch-general] remote poweroff with systemd

[Rodrigo Rivas]

On Tue, Aug 6, 2013 at 2:56 PM, Paul Gideon Dann <pdgiddie at gmail.com> wrote:

> On Tuesday 06 Aug 2013 10:09:33 Fons Adriaensen wrote:
> > On the remote machines I have /etc/systemd/system/poweroff.timer
> >
> > ----
> > [Unit]
> > Description=Delayed poweroff
> >
> > [Timer]
> > OnActiveSec=5
> > Unit=poweroff.target
> > ----
> >
> > and the script does
> >
> > ssh -t remote1 "sudo systemctl start poweroff.timer"
>
> Have you tried something like:
>
> ssh -t remote1 "sudo systemctl poweroff && exit"
>
> Technically I guess it's a race condition, but the command should terminate
> and close the SSH session before OpenSSH is shut down, so you shouldn't get
> the hang.
>
> Alternatively, you could try "systemctl start poweroff.target" to see if
> that
> returns quicker.  I'm not sure if the poweroff command returns straight
> away
> or waits.  Basically, I'm thinking that if you can get the first command to
> return quickly, your shell will close nicely before the shutdown kills the
> connection.
>

Or maybe "systemctl --no-block poweroff".