http://www.upubuntu.com/2011/07/how-to-move-your-mouse-pointer-with.html
Without a numpad (easy way): http://askubuntu.com/questions/88948/control-mouse-pointer-with-keyboard-without-a-number-pad Another way: http://ubuntuforums.org/showthread.php?t=2053587&s=9af477b145f9337ab8a04e2ffa481393&p=12220029#post12220029
