lock keyb?

Hi,
   i am seeking a way to disable the keyboard(X11-linux) through scripting or programming every time i want. I do not know if that can be done under linux or Xserver and in special if this feature can be used while the linux loads itself (init loadng) in order to disable the Ctrl+Alt+Del. Any ideas?

      Regards,
        Teo.
ttsenisAsked:
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mtmikeCommented:
The action to perform when ctrl-alt-delete is pressed can be set in /etc/inittab. Look for a line similar to "ca:12345:ctrlaltdel:/sbin/shutdown" and comment it out.

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ttsenisAuthor Commented:
mtmike, thanks it works. By the way any idea to lock unlock keyb at init3 and above runlevel?
mtmikeCommented:
You can hook ctrl-alt-delete to a shell script, eg

ca:12345:ctrlaltdel:/etc/rc.d/init.d/ctrlaltdel

This script might check the current runlevel and test for the existance of "/etc/noctrlaltdel".
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