found this bugs with kubuntu 11.04beta2! and this case no found with ubuntu 11.04beta2
use this command and any command with "sudo"
sudo xrandr No protocol specified Can't open display :0
found this bugs with kubuntu 11.04beta2! and this case no found with ubuntu 11.04beta2
use this command and any command with "sudo"
sudo xrandr
No protocol specified
Can't open display :0