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How to disable Ctrl+Alt+Del restarting in CentOS

In CentOS, the action taken when Ctrl+Alt+Del pressed is based on the configuration file located in "/etc/init/control-alt-delete.conf"
Just disable the line which specifies the restart action.
 

vi /etc/init/control-alt-delete.conf
 
comment the line
 
#exec /sbin/shutdown -r now “Control-Alt-Delete pressed”

:wq (save and exit)


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