Our group developed a Debian/GNU Linux based automated setup for workstations. On the managed workstations we install Ubuntu Desktop as the preferred flavour1).
Several Readmes offer more information:
The general workstations page shows you the locations of the publicly accessible rooms equipped with our Linux workstations.
News about our Linux workstations are distributed on our newsticker and can (and should!) be subscribed to.
General Overview over Linux at the Department of Physics