Black screen, lockout

I tend to do long-term processes which take, well, a lot of minutes. After 5-8 hours, the screen is black and no keys are responsive; I couldn't open a terminal. Then, I have no other thing I can do but cycle the

This has been a recurring problem. Any ideas?

Take a look at the nohup command.

I looked at the nohup command, but I have zero idea of how to use it to solve my problem. Might anyone know?

Please see - https://www.maketecheasier.com/nohup-and-uses/

OK. I just need to figure the command to use nohup with, which may be the screensaver. My deck goes to blackscreen without running xscreensaver, which is in my startup programs.

I set the screen to never dim, which is what was needed.