Disable ctrl+alt+del restarting in Ubuntu linux

FREQUENTLY ASKED QUESTIONS  (Ubuntu)

Q: How to disable alt+ctrl+del restarting in Ubuntu linux?

Ubuntu will reboot when ctrl+alt+del key combination is pressed in command mode. This action is defined in /etc/init/control-alt-delete.conf

To disable ctrl+alt+del restart, edit the file and disable the line which specifies the reboot action

user@ubuntu:~$ sudo vi /etc/init/control-alt-delete.conf


# control-alt-delete - emergency keypress handling
#

# This task is run whenever the Control-Alt-Delete key combination is

# pressed, and performs a safe reboot of the machine.

description     "emergency keypress handling"

author          "Scott James Remnant <scott@netsplit.com>"

start on control-alt-delete

task

#exec shutdown -r now "Control-Alt-Delete pressed"    #(Disable this line by adding a "#" )   


#(save the file and reboot ubuntu )

LABELS: Debian, extra-tips, FAQ, How-To, linux, Ubuntu