Depends on what you want to achieve with it. I installed Ubuntu Server, threw and configured SAMBA and a small LAMP server on it and not much more. For getting

Depends on what you want to achieve with it. I installed Ubuntu Server, threw and configured SAMBA and a small LAMP server on it and not much more. For getting the backups from the production servers I use rdiff-backup and cron. I'm not using RAID at the moment as it suits me better to just have four big drives. A friend of mine is running the same setup plus a Plex Media Server and some small toys. My Twitter and HN handle are the same and my email is on my profile if you have any specific question.