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Sounds like potentially a DNS issue
This is what I'm thinking too, but I don't know how to fix it.
Do you have a nameserver set under System > DNS?
It's pointing to the IP of my Adguard (located on a different machine)
Have you tried setting the nameserver to Google or Cloudflare to see if that works?
i have, it doesn't work. I can ping my Adguard without issues though.
I suppose you have also logged into your Adguard server to verify that it can ping the internet?
In other words, you have successfully pinged Proxmox --> Adguard and Adguard --> Internet?
Yes, adguard has access to internet
Can you
dig @9.9.9.9? If so, its certainly DNS. If it's not DNS, perhaps try to check your iptablesiptables -L && iptables -t nat -L.I'm not really sure what to look for, I'm not very experienced in network, but this is the output i get
From the output, you don't have any routing rules for your machine that block outgoing traffic. The dig command confirms that you can talk to servers. 9.9.9.9 is a common DNS Server. Based off of this, it seems like your problem is that your system has a bad DNS configuration (it's always DNS).
Can you parhaps
cat /etc/resolv.con? This file normally contains the used DNS servers for Linux systems, unless using special software.sure
Okay, no external software for DNS management present here. Is that ip a working DNS Server? Is it your server itself perhaps?
192.168.68.210 is my adguard, it's on a different machine. It should be working, all my other devices use it and I can see the traffic going through it. My servers IP is 192.168.68.120, and I can't see traffic from that on my adguard at all. But it can ping my adguard.
Okay, so if that's your actual DNS Server, can you confirm that it works?
dig @yourdns debian.org, for example. Afterwards try to use the default DNS of your systemdig debian.org. If both works, your DNS config should be fine. Try acurl debian.org -vtoo.debian.org is just a random domain for this, use whatever you want. I don't see anything badly configured so far.
as far as i can tell from the output, i think my DNS is working?
Is the host configured with static IP or DHCP? Either way, verify it has the correct DNS config.
Personally I use static for any device that hosts a service.
What happens if you ping Yahoo.com from the console in Proxmox? It should show the DNS server IP it's using for resolution.
It's set to static, I also do that for anything that hosts something.
It won't ping yahoo.com at all, it just reports 100% packet loss.
Edit: just realised that it won't ping my gateway/router either. It's pinging all other devices on my network just fine though.
can you ping 8.8.8.8?
Not dns then. For some reason you can’t reach the default gateway
Nope, same result
If you can't ping your gateway, then you have a problem with your interface configuration.
Do you need it to be on a specific VLAN or something else?
No i haven't split anything in to separate VLANs