VNC connection

To get into another comp through ubuntu vnc (assuming it's already set up on the other comp):

vncviewer 255.255.255.255:0

:0 is the vnc desktop you left open for yourself... 255.255.255.255 is obviously an ip adress, type in the correct one.

If you're still a moron:
https://help.ubuntu.com/community/VNC