Ubuntu decided to put its buttons on the left. They have chosen their side in PC vs Mac. In any case you can run 1 command to get them back. Only some apps are affected, making it really awkward to have any windows with the x on teh left.
gconftool-2 –type string –set /apps/metacity/general/button_layout “menu:minimize,maximize,close”
Run this command in your terminal and it puts them on the right, in the same order min max close, as windows uses. Just one of the few things I’ve had to do more than 1 time in my upgrade of a few machines to ubuntu.
Hopefully its easier to find later.