Problem:
Diagnostic Module in UMC Reports File Owner or Permission Issues
When starting the diagnostic module in Univention Management Console (UMC) it shows a warning about wrong ownership or permissions of a file.
File '/var/cache/univention-portal' has owner root while apache was expected.
Datei '/var/cache/univention-portal' hat als Eigentümer root während apache erwartet war.
Datei '/var/cache/univention-portal' hat Datei-Modus 755, 700 war erwartet.
File '/var/cache/univention-portal' has mode 755, 700 was expected.
Solution
There is a bug open for. As a workaround manually set the correct permissions as suggested:
Set Owner
chown apache /var/cache/univention-portal
Set Permission
chmod 0700 /var/cache/univention-portal