• We had to restore from a backup today after a failed software update. Backup was from 0000 EDT and restored it at 0800 EDT so we lost about 8hrs. Today is 07/20/2024. More info here.

cpu turning off by itself

response: the drive failed
hard drive errors are the biggest cause of strange behavior. It is one of the first things I check when a client complains of the system getting slow or random freezes or shutdowns. It is much easier to rule out the hard drive using S.M.A.R.T. than to spend countless hours looking at settings and trying various software fixes just to find out it was a physical issue.

Always start with the simple stuff.

command not found
The dmesg command usually needs to be run as root, or sudo. The command is certainly on the machine.

If the drive failed, as reported in post #19, and the state of the drive doesn't pass the tests using the tools from the smartmontools package, and the fsck tools, then a new drive is probably the way to go for reliable performance.

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