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I'm trying to get a systemd unit to fire on boot once a week. Reading up |
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on timer units, I can't work out how to get it to work. |
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This is tied up with my earlier systemd mount post - I've now got that |
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sorted - I've got dm-integrity to fire before fstab. |
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I now want to run lvm snapshot on the first boot of the weekend. Writing |
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a unit to do the snapshot seems pretty easy, but obviously I don't want |
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it firing every boot, if I stick the date in the volume name I don't |
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want it colliding with an earlier run the same day, etc etc. |
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The question really is - if I have a weekly timer fire and activate the |
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unit, is the activation going to survive the reboot to run on the next boot? |
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The problem I'm having is that all the stuff I've seen about timers says |
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you have two lines - activate on Saturdays, and activate on boot. Snag |
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is, they seem to be independent such that EITHER condition will activate |
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the service. As I say, I want BOTH. I don't want the service running |
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while the system is up and running. |
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Cheers, |
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Wol |