Problem
If you get questions marks on your portal site like in the screenshot below, it could be a permission issue on a univention-directory.
Solution
At first, check the permissions for /usr/share/univention-portal/icons
ls -la /usr/share/univention-portal/icons
drwxr-xr-x 5 root root 4,0K Jun 16 2022 .
drwxr-xr-x 7 root root 4,0K Jun 14 13:47 ..
drwxr-xr-x 2 root root 4,0K Sep 14 2022 backgrounds
drw-r--r-- 2 root root 4,0K Mai 16 14:31 entries
drwxr-xr-x 2 root root 4,0K Sep 14 2022 logos
The folder entries
have to be executable. You can fix this issue with the following command
chmod +x /usr/share/univention-portal/icons/entries
After that, refresh your browser with the F5 button and the issue should be fixed.