Re: [systemd-devel] systemd-timer way of queuing jobs like 'at' command does ?
On Thu, Dec 22, 2022 at 08:00:06PM +1100, Michael Chapman wrote: > On Thu, 22 Dec 2022, Andrei Borzenkov wrote: > > On Thu, Dec 22, 2022 at 11:17 AM Nicolas Pillot > > wrote: > > > > > > Hello > > > > > > I am wondering if i can dynamically plan jobs (once) using systemd timer. > > > What i mean by that is kind of replicating the usage of the 'at' command > > > > > > > systemd-run --on-calendar=tomorrow echo I am at replacement > > Curiously that gives me (on v250): > > $ systemd-run --on-calendar=tomorrow echo I am at replacement > Failed to parse calendar event specification: Invalid argument > > Known bug? `systemd-analyze timestamp tomorrow` can parse > it... > > This is still slightly different from "at" though, since the timer and > service are transient: they are lost if the system is rebooted. This is because it's a "calendar expression", not a "timestamp": 'systemd-analyze calendar tomorrow' fails. But I'm surprised by this, and the docs even even say that calendar expressions are a superset of the timestamp expressions. So it might be a bug. Feel free to file an issue. Zbyszek
Re: [systemd-devel] systemd-timer way of queuing jobs like 'at' command does ?
On Thu, 22 Dec 2022, Andrei Borzenkov wrote: > On Thu, Dec 22, 2022 at 11:17 AM Nicolas Pillot > wrote: > > > > Hello > > > > I am wondering if i can dynamically plan jobs (once) using systemd timer. > > What i mean by that is kind of replicating the usage of the 'at' command > > > > systemd-run --on-calendar=tomorrow echo I am at replacement Curiously that gives me (on v250): $ systemd-run --on-calendar=tomorrow echo I am at replacement Failed to parse calendar event specification: Invalid argument Known bug? `systemd-analyze timestamp tomorrow` can parse it... This is still slightly different from "at" though, since the timer and service are transient: they are lost if the system is rebooted.
Re: [systemd-devel] systemd-timer way of queuing jobs like 'at' command does ?
On Thu, Dec 22, 2022 at 11:17 AM Nicolas Pillot wrote: > > Hello > > I am wondering if i can dynamically plan jobs (once) using systemd timer. > What i mean by that is kind of replicating the usage of the 'at' command > systemd-run --on-calendar=tomorrow echo I am at replacement > If not, could i maybe use a user timer unit, triggering a script which as a > last action would delete said unit ? > > or should i simply stick to installing and using at package ? > > or another solution ? > > Thanks in advance, > Nicolas > >
