Since i started dabbing in Linux back in 2004 there was little or no documents to satisfy my needs, so I joined couple of online communities in a form of forums. One of my  best source of knowledge was local forum linuxzasve.com where I learned to  share my knowledge. So collection of my (and other members) post I put in one small e-book. And published it as a collection of know how in one tutorial. You can download for free here my first and hopefully not the last tutorial in Croatian language named "VIRTUAL PRIVATE SERVER on LINUX UBUNTU "