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Cake day: July 4th, 2023

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  • Just so you know, the load avg is not actually the CPU load. It’s an index of a bunch of metrics crammed together (network load, disk I/o, CPU avg, etc.). A good rule of thumb is to have your load avg value under the number of cores your CPU has. If your load avg is twice the number of your CPU cores it means that your machine is overloaded by 100%, if it’s equal to your number of cores, your machine is using 100% of its capacity to treat whatever you’re throwing at it.

    To answer your question, you can probably run a script that fetches your 5 min load avg and triggers a reboot if it’s higher than a certain value. You can run it on a regular basis with a systemd timer or a cron job.