Re: [systemd-devel] systemd unit timer

2020-08-11 Thread Lennart Poettering
On Mo, 10.08.20 20:19, Dave Howorth (syst...@howorth.org.uk) wrote: > > It kinda makes sense to invoke cronjobs the same way as any other > > piece of system code in userspace: as a service, so that you can take > > benefit of deps management, priv handling, logging, sandboxing and so > > on, so

Re: [systemd-devel] systemd unit timer

2020-08-10 Thread Uoti Urpala
On Mon, 2020-08-10 at 20:19 +0100, Dave Howorth wrote: > On Mon, 10 Aug 2020 20:21:51 +0200 > Lennart Poettering wrote: > > i.e. it unifies how system programs are invoked, and that's a good > > thing. it turns time-based activation into "just another type of > > activation". > > Most of that

Re: [systemd-devel] systemd unit timer

2020-08-10 Thread Kenneth Porter
On 8/10/2020 12:19 PM, Dave Howorth wrote: Most of that has gone over my head so some examples would probably help me to understand. Perhaps they're in the git logs? The key word is "activation". Modern systems are event-driven. Events include hardware plugging in, powering up, another

Re: [systemd-devel] systemd unit timer

2020-08-10 Thread Dave Howorth
On Mon, 10 Aug 2020 20:21:51 +0200 Lennart Poettering wrote: > On So, 09.08.20 15:56, Dave Howorth (syst...@howorth.org.uk) wrote: > > > Is there anywhere that explains the rationale for systemd timers? > > Probably somewhere in the git logs. Thanks, Lennart. I'll happily poke through the

Re: [systemd-devel] systemd unit timer

2020-08-10 Thread Lennart Poettering
On So, 09.08.20 00:20, Vini Harimoorthy (vini6...@gmail.com) wrote: > Hi Team, > > > Is there a way to specify the "start date & time" of the timer unit with > calendar timer ? > > For example, the below timer units runs every weekly from the service is > activated.My requirement is that I need

Re: [systemd-devel] systemd unit timer

2020-08-10 Thread Lennart Poettering
On So, 09.08.20 15:56, Dave Howorth (syst...@howorth.org.uk) wrote: > Is there anywhere that explains the rationale for systemd timers? Probably somewhere in the git logs. > What's their USP? Why was it necessary to invent the facility? It kinda makes sense to invoke cronjobs the same way as

Re: [systemd-devel] systemd unit timer

2020-08-09 Thread Tom Ryder
On Sun, Aug 09, 2020 at 06:42:36PM +0200, Jérémy ROSEN wrote: You could create a timer that starts another timer... Or something like an `at` job: $ sudo at 'midnight 2021-01-01' at> systemctl enable myservice.timer at> systemctl start myservice.timer at> job 1 at Fri Jan

Re: [systemd-devel] systemd unit timer

2020-08-09 Thread Jérémy ROSEN
You could create a timer that starts another timer... Le dim. 9 août 2020 à 16:56, Dave Howorth a écrit : > On Sun, 9 Aug 2020 15:54:55 +0300 > Andrei Borzenkov wrote: > > 09.08.2020 13:40, Vini Harimoorthy пишет: > > > In that case, it will run only in Oct,Nov, & Dec. But, I want to > > >

Re: [systemd-devel] systemd unit timer

2020-08-09 Thread Dave Howorth
On Sun, 9 Aug 2020 15:54:55 +0300 Andrei Borzenkov 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

Re: [systemd-devel] systemd unit timer

2020-08-09 Thread Andrei Borzenkov
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

Re: [systemd-devel] systemd unit timer

2020-08-09 Thread Vini Harimoorthy
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) Are the below requirements possible with a systemd timer ?

Re: [systemd-devel] systemd unit timer

2020-08-09 Thread Ronnie Thomas
On Sun, Aug 9, 2020 at 12:20 AM Vini Harimoorthy wrote: > Hi Team, > > > Is there a way to specify the "start date & time" of the timer unit with > calendar timer ? > > For example, the below timer units runs every weekly from the service is > activated.My requirement is that I need to run the