* silent boot with runit
@ 2020-07-13 5:23 Kian Kasad
2020-07-13 10:40 ` Laurent Bercot
0 siblings, 1 reply; 2+ messages in thread
From: Kian Kasad @ 2020-07-13 5:23 UTC (permalink / raw)
To: supervision
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I was wondering if it is possible to get a silent boot without having to
modify runit itself. With systemd, the `quiet` kernel parameter acheives
this. Is there anything similar for runit to prevent messages being
displayed to the tty?
Also I tried looking in the mailing list archives, but neither site was
up.
Thanks,
Kian Kasad
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: silent boot with runit
2020-07-13 5:23 silent boot with runit Kian Kasad
@ 2020-07-13 10:40 ` Laurent Bercot
0 siblings, 0 replies; 2+ messages in thread
From: Laurent Bercot @ 2020-07-13 10:40 UTC (permalink / raw)
To: Supervision
>I was wondering if it is possible to get a silent boot without having to
>modify runit itself. With systemd, the `quiet` kernel parameter acheives
>this. Is there anything similar for runit to prevent messages being
>displayed to the tty?
No, runit hardcodes stdout and stderr to /dev/console. In order to
silence things, you'd have to:
- either redirect the console to something nonexistent or quiet on
the kernel command line (would "console=null" work?)
- or redirect stdout and stderr for the service you want to keep
quiet. For instance, if you want the supervision tree to be quiet,
you could add >/dev/null 2>&1 to the runsvdir invocation in
/etc/runit/2.
(With s6-linux-init, all of init's output is redirected to the default
logger, and you have a switch for whether or not to also display it
on the console.)
>Also I tried looking in the mailing list archives, but neither site was
>up.
skarnet.org has been up for about 300 days. It is possible, however,
that specific messages that you wanted to access in the archive did not
display correctly.
--
Laurent
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