search for: emp80

...get it working: Create /usr/lib/tmpfiles.d/nut-client.conf:D? ? /run/nut 0770 root nut - ...the file did not exist, and so the PID folder/file was not getting generated. Then the driver would start. Also had to setup enabled services (still not 100% confident that this is totally correct):[root at emp80 ups]# systemctl list-unit-files | grep -i nut nut-driver-enumerator.path? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?disabled nut-driver-enumerator.service? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? disabled nut-driver at .service? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? disabled nut-monito...

Look in the startup logs and see where itnis starting. I'm not at a RH system at the moment, but at work, I have had to do this, so can look there,mor perhaps put Nut on the test RH8 VM I spun up for other rrasons on Friday and work out the syntax. Not sure if the systemd file you are using came in the RPM or not, but if it did, it's almost a crime that this critical detail was overlooked.