On Tue, 22 Nov 2022 09:09:56 -0600
David Wright <deb...@lionunicorn.co.uk> wrote:
> > > I haven't tried editing, say, the noisiness, to see whether I can
> > > stop the flow of Wall messages on all my xterms.
> >
> > *My* shutdown has a command line option (-Q) for the latter. Dunno
> > about yours ;-)
>
> # shutdown -Q +15
> shutdown: invalid option -- 'Q'
> #
According to the man page for shutdown, --no-wall should do that.
--no-wall
Do not send wall message before halt, power-off, reboot.
--
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