Re: date/time set to epoch when using readonly rootfs

[Lennart Poettering <lennart@xxxxxxxxxxxxxx>]

On Do, 22.10.20 11:53, Belisko Marek (marek.belisko@xxxxxxxxx) wrote:

> > Hmm? this service has nothing to do with epoch/clock setting. It's
> > used for systems that have a "reboot-for-update" mode.
>
> Sorry I mixed up things. Can you pls guide where can I find code which
> set date/time from timestamp? Thanks

This is the stuff PID 1 calls during earliest boot:

https://github.com/systemd/systemd/blob/master/src/shared/clock-util.c#L147

(But note that the support for checking /usr/lib/clock-epoch is a
recent addition so far only available in git master.)

This is the stuff systemd-timesyncd does when initializing:

https://github.com/systemd/systemd/blob/master/src/timesync/timesyncd.c#L27

Lennart

--
Lennart Poettering, Berlin
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