Nginx 502, ssh not working.
Nginx 502, ssh not working.
I am currently out of town, and my server went down. All my services go through nginx, and suddenly started giving error 502. My SSH won't let me in. I had my sister reboot the server, and it still doesn't work. I apologize for the lack of details, but that is all I know, and I can't access logs. I've cleared cache, and used a VPN in case fail2ban got me. I recently got a tp link router, so it could be something with that, but it was working for a while. I will have her do another reboot, and if that doesn't work I will have her power off and unplug the server in case it was hacked.
Edit: I have absolutely no clue why, but it works now. I literally did nothing. As far as I know, my sister hasn't touched it today. It just started working. Computers, man...
Edit 2: Actually she said she did something. Not sure what, but it works now.
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Does your router have an app or way of letting you remotely see if the server is even showing on your home network?? It could be a physical disconnect or Ethernet port failure, or NIC failure maybe? A reboot wouldn't help if the issue was related to something like that.
Edit: Actually, re-read your post and thinking about this again, what I said wouldn't make sense...
You could have some sort of corruption causing an error in the appdata, preventing it from running. Might be a RAM issue.
It has a network connection, I am able to get to the nginx error, the services themselves are down. What's really weird is everything is down, even SSH.
I edited my original post right when you replied, my bad.
I dunno if you can do that much remotely, honestly. I kinda feel like something might have corrupted? What kinda system are you using? Any more details you can provide?
I don't think it is a hardware issue. I have decent hardware that's fairly new. I unfortunately can't say much, though another commenter let me know the SSH failure message is relevant. It see connection closed, which means that it is probably failing to boot. I think an update or something may have broken it, though it is debian stable, so Idk. I'm going to try to call my sister and see if I can get a picture of an error message or something.