Hi all
I have an Ubuntu box which is on 24/7/365. It has ufw running allowing nothing from outside my lan. A couple of times recently, I've come in to find the machine locked up with a lot of disk access (it can be ping'd but I can't ssh into it and it doesn't respond to mouse or keyboard on the console - only power cycling brings it back). As I say, this has now happened twice in the last 3-4 nights. It may have been hacked (but I doubt it looking at kern.log and auth.log - and I'm behind a NAT router with no ports open). Does anyone know if Ubuntu (Jammy) does some indexing or some other regular task overnight? The reason I ask is I'm wondering if it's said indexing that's crashed the (very old) system. It's fine for a file server but not really fit for anything else. Incidentally, I've checked crontab and there's nothing in there. Anything else I should be checking? Cheers Rob
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