Here’s how to install Ubuntu restricted extras in Ubuntu 11.10 Oneiric Ocelot: 1. Issue the following command at the terminal – sudo apt-get update 2. Now, issue the following command at the terminal – sudo apt-get install ubuntu-restricted-extras 3. Enter ‘y’ when prompted. 4. When prompted, read the ‘TrueType core fonts for the Web EULA’ and then select...