How to Make an Ubuntu Media Server With Plex
A media server is a great way of sharing movies, TV shows, music and images across your network. Ubuntu server is a great option for those looking to make a reliable but affordable media server. Using Plex as the backbone of the media server itself, the server is compatible with just about any device you throw at it.
Ubuntu 14.04.1 ISOs: http://releases.ubuntu.com/14.04/
How to Make an Ubuntu File Server