XBMC was born as a Linux Media Center interface for the XBox, however it turned to be one of the best media centers interfaces also for linux desktops.

In order for you to install it you have to add the XBMC PPA repositories.

Read here on how to do that: xbmc.org/forum/showthread.php?p=185738

One of the less trivial configuration aspects of linux (and XBMC is no exeption) is the configration of the remote control keys.

Read here for some support on how to perform those tweaks:

xbmc.org/wiki/?title=Keymap.xml#Changing_the_keymapping

xbmc.org/forum/showthread.php?t=39183

Related posts:

1. Setting up Elisa as Default Multimedia Center