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CPU temperature is 72°C, how can I find why? (lemmy.blahaj.zone)

submitted 13 hours ago by ClusterBomb@lemmy.blahaj.zone to c/selfhost@lemmy.ml

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It's been a while since I noticed that but I can't find the reason. I selfhost :

a linkding with docker
a writefreely
a bludit blog
a CalDav (radicale)

There is a syncthing running for backups done with borg at night (automated with a crontab).

When I htop, I don't see anything to hint me to what is causing the heating.

Any ideas of what I could do to investigate that?

Thanks a lot.

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[–] PassingThrough@lemm.ee 3 points 13 hours ago

You are looking at the software, but how’s the hardware?

How old is the server? Could the thermal paste be old and dried up? Is the cooling fan working?

A CPU with bad cooling can still run, up to a threshold and then it will throttle itself to avoid going over, but since the cooling sucks just being on will keep it there.