On a production system it is recommended that you disable the [Ctrl]-[Alt]-[Delete] shutdown. It is configured using /etc/inittab (used by sysv-compatible init process) file. The inittab file describes which processes are started at bootup and during normal operation. You need to open this file and remove (or comment it) ctrlaltdel entry.
Ctrlaltdel specifies the process that will be executed when init receives the SIGINT signal. SIGINT is the symbolic name for the signal thrown by computer programs when a user wishes to interrupt the process, for example reboot/shutdown system using [Ctrl]-[Alt]-[Del
Disable CTRL+ALT+
Open /etc/inittab file, enter:
Search for line that read as follows:
And remove the line or comment out the above line by putting a hash mark (#) in front of it:
Save the file and exit to shell promot. Reboot system to take effect or type command:
Ctrlaltdel specifies the process that will be executed when init receives the SIGINT signal. SIGINT is the symbolic name for the signal thrown by computer programs when a user wishes to interrupt the process, for example reboot/shutdown system using [Ctrl]-[Alt]-[
Disable CTRL+ALT+Del
Open /etc/inittab file, enter:# vi /etc/inittabSearch for line that read as follows:
ca:12345:ctrlaltdel:/sbin/shutdown -t1 -a -r nowAnd remove the line or comment out the above line by putting a hash mark (#) in front of it:
# ca:12345:ctrlaltdel:/sbin/shutdown -t1 -a -r nowSave the file and exit to shell promot. Reboot system to take effect or type command:
# init q
