Revision history [back]

Try this:

 xrandr --output VGA-0 --rotate normal

VGA-0 is your output/screen (whatever, I'm not familiar with the terminology). You can find it by running xrandr. That's mine:

    Screen 0: minimum 320 x 200, current 1024 x 768, maximum 4096 x 4096
VGA-0 connected primary ...

EDIT: Try inverted in place of normal if it the things stay the same.