You'll need to copy the data files from a Windows install. Punkbuster works, but you'll need to run its installer separately (instructions on how to do this from the commandline on your remote server are in the README).
Bugs and reports go http://bugzilla.icculus.org/.
Discussion can go to this mailing list. Send a blank email to firstname.lastname@example.org to get on the list.
Please try to keep bug reports to Bugzilla, so the list can focus on configuration issues, questions, etc