[systemd-devel] How to pass date/time to OS before Linux starts?

[Andrei Borzenkov]

On Fri, Oct 25, 2024 at 10:13 AM Barry <barry at barrys-emacs.org> wrote:
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>
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> > On 25 Oct 2024, at 00:04, Paul Menzel <pmenzel+systemd-devel at molgen.mpg.de> wrote:
> >
> > Dear Linux folks,
> >
> >
> > My CMOS battery is empty, so the time is reset to the firmware/BIOS date, but the firmware does not allow to set the date/time.
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> The battery is a replaceable component on the motherboard.
>
> >
> > Do you know of a way to set the time on the Linux kernel command line, that is passed to systemd/the OS somehow?
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> There is no option as far as I know.
>

Poor man's solution is the initrd module that parses kernel command
line parameters.