[Fedora-livecd-list] Can't echo to console from dracut module
John.Florian at dart.biz
John.Florian at dart.biz
Wed Mar 13 12:57:08 UTC 2013
> From: John.Florian at dart.biz
>
> > From: "Brian C. Lane" <bcl at redhat.com>
> >
> > On Fri, Mar 08, 2013 at 02:55:40PM -0500, John.Florian at dart.biz wrote:
> > > I have a custom dracut module installed as a pre-mount hook (for
Fedora
> > > 18). This shell script needs to echo some messages to the console,
but
> > > I'm having no luck making that happen. I've tried:
> >
> > This is similar to what we ran into with checkisomd5, now that
systemctl
> > is being used by dracut you need to setup a service with access to the
> > console in order for anything to be output (or input).
> >
> > The service file for that looks like this:
> >
> > [Unit]
> > Description=Media check on %f
> > DefaultDependencies=no
> > Before=shutdown.target
> >
> > [Service]
> > Type=oneshot
> > RemainAfterExit=no
> > ExecStart=/bin/checkisomd5 --verbose %f
> > StandardInput=tty-force
> > StandardOutput=inherit
> > StandardError=inherit
> > TimeoutSec=0
> >
> > You can look at commits 040f3883 and 5204d1d3 in dracut to see how it
is
> > setup.
> >
> > --
> > Brian C. Lane | Anaconda Team | IRC: bcl #anaconda | Port Orchard,
> > WA (PST8PDT)
>
>
> Thanks for that Brian! I had pretty much came to that conclusion
> before calling it a day on Friday, but it's very helpful to know
> that the effort to go that route won't be wasted.
>
> --
> John Florian
I just wanted to drop another note and thank you to mention that I got it
working. I had been mimicking how the dracut-emergency.service worked,
but the media-check service made an even better example by being even more
trivial. So, thanks again!
--
John Florian
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