How do I shut down Ubuntu after it blanks the screen?
2653
What should I do when Ubuntu freezes?
69645
Shutting down the computer- reboots instead
70720
Boot problem after hanging and manual power off ( Stopping User Manager for UID 121... )
73028
Is there any way to enable Ctrl+L to clear screen when 'set -o vi' is set?
58487
How do I destroy my installation? (render it unbootable?)
96850
Shut down computer from keyboard
13735
Is it possible to stop a shutdown command?
31490
How to turn off hard drive in Ubuntu?
79200
Wipe RAM on shut down to prevent Cold Boot Attack
96538
Ubuntu 16.04.1 doesn't shutdown/reboot
77019
How can I tell Ubuntu 14.10 to do nothing when I close my laptop lid?
4465
Execute a script upon logout/reboot/shutdown in Ubuntu
6560
How do I stop GUI?
151691
How to perform a full system dump/backup with a broken screen?
64651
How to permanently switch off discrete graphic card?
28784
How can I lock down ubuntu?
101236
How do I set the screen timeout?