The movie players provided in Ubuntu can play back unencrypted DVDs. However, many commercial DVDs are encrypted with a weak algorithm called Content Scrambling System (CSS).You can enable playback of encrypted DVDs with MPlayer, xine and Totem-xine by installing libdvdcss2.
Sponsored Link
Some of ubuntu users are running their ubuntu machine as dual boot with windows and if you want to access your windows partition data using this guide in a simple manner.
Picasa is software that helps you instantly find, edit and share all the pictures on your PC. Every time you open Picasa, it automatically locates all your pictures (even ones you forgot you had) and sorts them into visual albums organized by date with folder names you will recognize. Picasa also makes advanced editing simple by putting one-click fixes and powerful effects at your fingertips.
CheckGmail is an alternative Gmail Notifier for Linux and other *nix systems. It is fast, secure and uses minimal bandwidth via the use of Atom feeds.
There are times ubuntu users and admins want to find which version of ubuntu linux version is running on their machines.This is very useful for those who is helping their customers and they want to know which version they are running and if you took over new system admin job you want to know which version is running on your servers or desktops.