Ubuntu Linux Disable control-alt-delete [CTRL-ALT-DEL] Emergency Keypress Handling

by on May 13, 2008 · 4 comments· LAST UPDATED August 20, 2008

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Q. How do I delete control-alt-delete emergency keypress handling to improve security of my Ubuntu Linux server?

A. When you hit the Control-Alt-Delete key combination system get rebooted. This operation is controlled via a special file located at /etc/event.d/control-alt-delete directory. Simply open this file using a text editor:
$ sudo vi /etc/event.d/control-alt-delete
OR
$ sudo gedit /etc/event.d/control-alt-delete
Find line that read as follows:
exec /sbin/shutdown -r now "Control-Alt-Delete pressed"
delete configuration line or comment out line by prefixing # symob:
#exec /sbin/shutdown -r now "Control-Alt-Delete pressed"
Save and close the file.

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{ 4 comments… read them below or add one }

1 M November 21, 2008 at 10:45 am

Its not working for live cd (ubuntu 8.1)
Tried many options.. nothing works out

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2 V.Balaviswanathan April 23, 2009 at 2:42 pm

Thanks a lot for your tips……It was helpful

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3 V.Balaviswanathan April 24, 2009 at 5:58 pm

Hi,
If anyone helps me to clear this doubt, I will be grateful to them…….

How to make my USB hard disk mount on my ubuntu machine(all) and copy those files onto the local hard drive……Please help

Thank You

Bala

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4 Enriqueta Schryver October 4, 2011 at 12:02 pm

That was a impressive material. I enjoyed it very much. Enriqueta Schryver

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