[SOLVED] Unable to find my Proxmox server on my network?

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Flight6334

New Member
Mar 30, 2024
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I have a simple network, just the basic 192.168.1.0/24. I lost contact with the server few months ago (I'm not physically near it now) and I decided to restart my homelab. The PX server boot up as usual and now I'm unable on any address to find the web UI? The connection times out, I tried nmap, I got results for ports used by Proxmox, but when I ssh inside, It's one of my virtual machines hosted by Proxmox, not the system itself. It is almost black magic at this point.

I used to have an easy access with Traefik with a pretty URL but since then, my SSL certificate expired and I can't do anymore (I still have access to Traefik but for some reason, It doesn't incorporate m new SSL, anyway). So now, I'm doing with the old school IP.

Also, I could technically connect myself to the SSH but my dumb ass thought it was a good idea to remove password autentication. I didn't reinstall my laptop OS that I used to connect so I should technically still have the good privkey to log in, but in the meantime, I can't find this server.

As I'm really lost, if you have ideas I'm open.

Thanks!

SOLUTION: Indeed, IP address conflict so of course I was not able to find it on the network...
 
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Do you remember if your server host was in DHCP mode or fixed IP?

Some pointers that you can look into:
1- If you can access your router (typically 192.168.1.1 in your network), try to find the ProxMox IP address and Hostname there. Also take note of the MAC address if you can.
2- Once you find the ip address, open your web browser and access it with the port at the end (default is 8006). I.E > https://192.168.1.##:8006
 
No, I don't remember.

I searched in the router, and I have nothing. I feel like Proxmox doesn't have an IP address at all.

So nothing where anyone can help.
 
Then your best bet is to log on the host directly with a screen and keyboard+mouse.
Then you can access the console and get the network details with the following command: ip addr show
 
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