keyboardkilllenovosessionshortcut-keys
when i press the key combination:
altr gr + prtscr + e
my session gets killed, either x or a tty. i discovered this by (repeated) accident… this was not an issue for me before. my current laptop (lenovo x230) has the prtscr key besides the right alt key rather than on the top right section of the keyboard, so i accidentally press them both sometimes.
lenovo x230,t430s keyboard layout
how do i disable it?
thanks!
In Kubuntu Ctrl+Backspace by default is assigned to the action "Delete Word Backwards" which is used by some applications. You can overwrite this, though.
One solution was to install xautomation and then create a shortcut for Ctrl+Backspace which runs
xte 'key Delete':
Open a terminal (i.e. Konsole) and run sudo apt-get install xautomation.
Open Custom Shortcuts via the search menu.
Click Edit → New → Global Shortcut → Command/URL. Name the new shortcut.
Go to the Trigger tab, click the input button (None) and press Ctrl+Backspace. Then click onto Reassign.
Go to the Action tab and enter xte 'key Delete'.
Click Apply. Ready.
(More about xte which is part of xautomation.)
To assign a new shortcut to "Delete Word Backwards" add a custom combination to that action within Standard Keyboard Shortcuts.
Best Answer
You don't want to disable the Magic SysRq!
The key combination AltSysRq triggers the Magic SystemRequest and allows to enter combinations of single keys to shut down your system in a controlled way, even when everything else has become completely unresponsive.
This is your life-saver. Don't throw it over board ;)
EDIT: The behaviour of SysRq can be controlled by writing the bitmask for the allowed actions to the file
/proc/sys/kernel/sysrq. A value of0disables everything, sowill do the job. But you have been warned ;)
EDIT: To disable permanently, add the line:
to
/etc/sysctl.conf. either that or create a file in/etc/sysctl.d/*with the mentioned line.