[systemd-devel] systemd unit timer

[Dave Howorth]

On Sun, 9 Aug 2020 15:54:55 +0300
Andrei Borzenkov <arvidjaar at gmail.com> wrote:
> 09.08.2020 13:40, Vini Harimoorthy пишет:
> > In that case, it will run only in Oct,Nov, & Dec. But, I want to
> > run the timer unit weekly after a specific calendar date & time.
> > How to specify if I want to run some task on every 12 hours after
> > Jan'2021 (start from future date & time)
> >   
> 
> That's not possible using systemd timer as of now. There was similar
> discussion just recently (a week or two ago).

Is there anywhere that explains the rationale for systemd timers?

What's their USP? Why was it necessary to invent the facility?