physlock

Lock all consoles and virtual terminals. More information: https://github.com/muennich/physlock.

• Lock every console (require current user or root to unlock):

physlock

• Mute kernel messages on console while locked:

physlock -m

• Disable SysRq mechanism while locked:

physlock -s

• Display a message before the password prompt:

physlock -p "Locked!"

• Fork and detach physlock (useful for suspend or hibernate scripts):

physlock -d