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I have just upgraded from Kubuntu 12.04 to 12.10.

Until now, I was using AltGr+PrintScreen+K key combination to restart the X Server.

After the last upgrade this shortcut doesn't work anymore.

Do you know if there is any new key combination to restart the X Server?

An online search did not return any obvious results as 12.10 is not very popular since it hasn't been released yet.

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up vote 8 down vote accepted

The old way

KDE System Settings > Input Devices > Keyboard;Advanced tab "Key sequence to kill the X server"

enter image description here

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