When using the virtual terminals on TTY 1-6 [*], it's sometimes easy to forget to log out: The screen goes blank after a while, but I'm still logged in – no password required, anyone can use my account. (Or I switch to another TTY, and forget the other one…)
I'd like to have screensaver-like functionality that locks the terminal after 3 minutes, and then requires a password. How do I set this up?
[*] With TTY 1-6, I mean CTRLALTF1 – CTRLALTF6 (no X Server)