Question:
What does the univention-maintenance.service do
systemctl status univention-maintenance.service
univention-maintenance.service - LSB: Univention Updater
Loaded: loaded (/etc/init.d/univention-maintenance; generated; vendor preset: enabled)
Active: active (exited) since Tue 2019-05-14 16:24:02 CEST; 5 months 3 days ago
Docs: man:systemd-sysv-generator(8)
Tasks: 0 (limit: 4915)
Memory: 0B
CPU: 0
CGroup: /system.slice/univention-maintenance.service
Answer
The init script checks whether the automatic import of updates or packages is configured via UMC.