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CPU temperature is 72°C, how can I find why? (self.selfhost)
submitted 7 months ago by ClusterBomb 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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[-] Rhaedas@fedia.io 1 points 7 months ago

I agree. Start with eliminating those before you throw code at it. My wife had a laptop that for a while routinely would run the fan nonstop at just basic Word usage. For years she just dealt with it as it never gave problems outside of the jet noise. At some point she retired that one and got a new one, kept it for backup purposes. One day I figured I'd dive in and see if maybe the fans needed cleaning or something. What I found when I got it apart was the paste was so dried and gone the fan assembly lifted right off. Cleaned it up, put new paste on, and it's quiet as a mouse. How it managed to move enough air and heat to not blue screen I have no idea.

this post was submitted on 09 Mar 2025
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