I run a VPS with VirtualMin. Yesterday, there was a peak in visitors and it seems like the whole site went down for an hour or so.
I checked apache error log, access log and memory swap. Strange thing is. The log has no errors for that timeframe and the memory swap is just used a little bit.
How come the server went online / how can I best find this out with VirtualMin / WebMin?
It can be hard to tell afterwards what the cause of an issue like that is… next time you’re seeing that issue occurring, I’d suggest running these commands: