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Alt-PrtSc-K not working

rated 0 times [ 3] [ 0] / answers: 1 / hits: 2537 / 2 Years ago, mon, june 20, 2022, 1:35:23

Alt+PrtSc+K is not working on my machine. I'm currently using Ubuntu 14.04.1 LTS. The shortcut used to work on older Ubuntu releases (whose purpose was to kill the display server). Any suggestions?

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nosaurindb

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2 Years ago

answered 2 Years ago atetamme · Accepted Answer

By default, in Ubuntu 14.04, the Magic SysRq keys are disabled. To enable the Magic SysRq keys open the file /etc/sysctl.d/10-magic-sysrq.conf and change the line

kernel.sysrq = 176

to

kernel.sysrq = 1

Then reboot your Linux box.