Hi all,just to give this a reasonable conclusion... it was indeed a matter of systemd service unit file setup, as described at
https://github.com/BOINC/boinc/issues/4948 https://www.primegrid.com/forum_thread.php?id=10048Mail to the package maintainers with a suggestion on how this could be improved has been sent.
Cheers, Arno -- Arno Lehmann IT-Service Lehmann Sandstr. 6, 49080 Osnabrück