Sorry Jérémy ROSEN had munged the headers so a reply went only to him!!!! :( :( Here's a copy for the list. Begin forwarded message: Date: Sun, 9 Aug 2020 20:16:19 +0100 From: Dave Howorth <systemd@xxxxxxxxxxxxxx> To: Jérémy ROSEN <jeremy.rosen@xxxxxxxx> Subject: Re: systemd unit timer On Sun, 9 Aug 2020 18:42:36 +0200 Jérémy ROSEN <jeremy.rosen@xxxxxxxx> wrote: > You could create a timer that starts another timer... Sorry, are you answering my question? (Top-posting makes it difficult to understand without context) If so, why might I want to do that and why couldn't I do it using cron? If you're answering the OP's question then perhaps make that clear, but again why couldn't that be done using cron? Why invent yet another mechanism? > Le dim. 9 août 2020 à 16:56, Dave Howorth <systemd@xxxxxxxxxxxxxx> a > écrit : > > > On Sun, 9 Aug 2020 15:54:55 +0300 > > Andrei Borzenkov <arvidjaar@xxxxxxxxx> 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? > > _______________________________________________ > > systemd-devel mailing list > > systemd-devel@xxxxxxxxxxxxxxxxxxxxx > > https://lists.freedesktop.org/mailman/listinfo/systemd-devel > > _______________________________________________ systemd-devel mailing list systemd-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/systemd-devel