[HowTo] reboot / turn off your frozen computer: REISUB/REISUO

[Yochanan]

Thread tidied.

Honor The Dude.

[Kobold]

I fully unlock SysRq Key as you suggested, i updated grub and reboot.

But when i open the terminal and try the command: alt+print+m

nothing happend… How can i get this to work?

I mainly looking for the alt+print+f command for freeing memory… but when not
even a simple memory dumb isnt working… there must be another problem somewhere else.

See also my Topic:

Out of memory, lead a lot of times to a freezing system but for the first time i have a error that only lead to a crashing application

Normal when i see a memory issue (and i experienced this problem since the last 4 Month atleast 6-8 Times), my mouse cursor stuck, response, stuck response and finally freezing to death. This time, i came back after 1 hour to my PC who was working on encoding a Video File with shotcut and after i powered on my Monitor the mousecursor was shortime stuck for 2sec and then it responsed again but my application closed… i wished my application would always crash and not leading to a freezing and unr…