Questions tagged [systemd-timer]
The systemd-timer tag has no usage guidance.
159
questions
145
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Cron vs systemd timers
It was recently pointed out to me that an alternative to cron exists, namely systemd timers.
However, I know nothing about systemd or systemd timers. I have only used cron.
There is a little ...
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73
votes
2
answers
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systemd timer every 15 minutes
I'm trying to make a systemd timer that runs every 15 minutes. Right now I have:
timer-fifteen.timer:
[Unit]
Description=15min timer
[Timer]
OnBootSec=0min
OnCalendar=*:*:0,15,30,45
Unit=timer-...
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55
votes
1
answer
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Which is the correct way to disable a systemd timer unit?
I've successfully migrated a few of my cron jobs over to systemd. I followed some guides and have taken the standard approach of creating 3 files:
myjob.timer - systemd timer unit
myjob.service - ...
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36
votes
4
answers
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Is there a way to know when a systemd timer will run next?
I am testing a systemd timer and trying to override its default timeout, but without success. I'm wondering whether there is a way to ask systemd to tell us when the service is going to be run next.
...
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15
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2
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systemd timer every 2 hours at 30 minutes past the hour?
There are several good references on systemd timers including this one:
systemd.time
Unfortunately, it still isn't clear to me how to create a timer that will run periodically, but at a specific ...
- 18.2k
14
votes
2
answers
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Pipe output of script through Exec in systemd service?
I'm trying to set up a systemd service in order to launch a set of files on a daily basis (different types of journals) from directories based off the date. For example, a todo list for today would be ...
- 185
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1
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I'm writing a systemd timer. What value should I use for WantedBy?
In various examples, I have seen all of these different choices suggested:
WantedBy=timers.target
WantedBy=multi-user.target
WantedBy=basic.target
WantedBy=default.target
WantedBy=mytimer.target (...
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14
votes
1
answer
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systemd.unit `RequiresMountsFor=` vs `ConditionPathIsDirectory=`
I am about to write service that rsync --delete directory /mnt/foo to remote server. However because of --delete option, I'd like to not run it unless /mnt/foo is mounted, as this might result in ...
- 14.4k
12
votes
3
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Removing a timer created with "systemd-run --on-calendar"
I've created a systemd job using systemd-run --on-calendar .... Now I've replaced it with proper .timer and .service files, but I'm not able to remove the old one. I can stop it and disable it, but ...
- 223
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2
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timer with multiple oncalendar moments
I'm using a systemd timer and unit to automatically trigger a backup job. But currently it runs only at one moment in the evening. Is it possible to have it run at multiple moments by declaring it in ...
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1
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Cannot override systemd timer with specific time [duplicate]
I use systemd-cron which creates unit files under /lib/systemd. The unit file for cron-daily.timer has
[Timer]
OnCalendar=daily
This triggers the scripts at midnight. I want them to trigger at 3am ...
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10
votes
2
answers
4k
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using systemd timers instead of cron
I am on Arch Linux where I am trying to create a systemd timer as a cron alternative for hibernating my laptop on low battery. So I wrote these three files:
/etc/systemd/system/battery.service
[...
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9
votes
1
answer
3k
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How to make a systemd-timer depend on internet connectivity?
I'm using systemd-timer to periodically run a script which consumes a webservice.
Problem is, upon system resume or wake-up, internet connectivity would not get started right away but the timer gets ...
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9
votes
1
answer
7k
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Systemd timer will not fire
I have a timer that is literally this:
foobar.service:
[Unit]
Description=Timer Test
Requires=rsyslog.service # rsyslog is an active local service.
[Service]
Type=simple
ExecStart=/usr/bin/...
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9
votes
1
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systemd timer - how to get history of when timer triggered
systemctl status mytimer.timer
Tells me since when it is active and when the next trigger is due. How can I get a list of when the timer triggered in the past?
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