Are systemd per user systemd-timer running for offline users ? If not, is it possible to allow them to be running for users within a specific group ? Will the target service of the timer be launched correctly as the user it is supposed to run for this way ?
Systemd – Run User’s Timer Without Open Session
systemdsystemd-timer
Best Answer
A quick search for [systemd users] found this answer as the first result for you:
Enable this as a group level does not appear to be supported. Instead, enable it for every member of the group.