Install sixad and SIXAXIS(TM) Support from the app manager. Download the sixpair.gz file from here - http://tomasz.sterna.tv/uploads/2010/02/sixpair.gz - and save it to USB stick Copy the sixpair.gz file from the USB stick to the Ubuntu desktop, Open terminal from ubuntu apps (in the top left) the enter in the following codes pressing enter after each line gzip -d ~/Desktop/sixpair.gz cd ~/Desktop sudo chmod +x sixpair sudo ./sixpair XX:XX:XX:XX:XX:XX (This will be your N900 Bluetooth Address that you find in Settings > About) This is it. Next turn on N900 bluetooth and press PS3 button. The lights will flash and then if its successful the will flash from left to right and back again night rider styley. Job done!!