Check whether a UCS server has successfully joined a UCS cluster

root@master:~# univention-check-join-status
Joined successfully 
root@master:~# 

How to retrieve all version information (major, patch & errata versions)

root@master:~# ucr search version/version version/patchlevel version/errata
version/erratalevel: 508
version/patchlevel: 2
version/version: 5.0

Thanks to Debian you can easily check the status of installed packages. If all is good it will look like that following.

root@master:~# dpkg --audit
root@master:~#