Hackourlives posted a guide about turning an Ubuntu server into a perfect Mac File Server and Time Machine Volume

There is no beating Time Machine when it comes to backing up your Mac system. I use both windows and Mac on a daily basis and like to backup all my data to an Ubuntu server. There are many cross-platform softwares that allow you to do so, but I really wanted to stick to Time Machine ...

How To Make Ubuntu A perfect Mac File Server and Time Machine Volume