Hello Aaron,

Here's a post that describes a similar issue where the culprit is suspected to be heat:

https://forums.linuxmint.com/viewtopic.php?t=330043

One poster mentioned that Mint tends to run "a little hot."

Two commands referenced are these:

# info about your system
inxi -Fxms

# display system logs
journalctl 

Good luck and let us know how it goes.

Regards,
- Robert




On Sat, May 14, 2022 at 10:10 AM Aaron Birenboim <aaron@boim.com> wrote:
I have a new, clean,  Mint 20 install which is shutting down after long
periods of non-use... like 6-10 hours.  I have tried many things to
disable this.

I have peeked at logs, but nothing is jumping out at me.  How can I find
out why the machine is shutting down?

Sure, a wake-on-lan/ssh would be fine for this machine, but I'll worry
about that after I can figure out how to keep it up.

I had it running 24/7, months at a time under Mint 18.

aTdHvAaNnKcSe,

aaron


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