I'm a relative beginner to proxmox, so appologies if this is simple. When I set up proxmox originally a year ago, I had used the default nameservers provided during proxmox setup from my ISP (Shaw - 64.59.144.91).
I've just changed ISPs (to Telus), and now I get name resolution errors, like
To solve this, in Datacenter / proxmox / System / DNS, I saw where `64.59.144.91` is hardcoded and changed it to 8.8.8.8. I can now successfully ping google from the proxmox node's shell.
The issue is that on VMs, if I `cat /etc/resolv.conf`, I still see the old ISP nameserver. I tried `nano /etc/resolv.conf`, updating with 8.8.8.8, and then rebooting, but it repopulates with `64.59.144.91`
How can I fix the nameservers that get auto-populated to the proxmox node's virtual machines?
Edit: to add, in the VMs Cloud-Init settings, I have DNS domain and DNS servers both set to "use host settings"
Edit: also to add, the VM is running Debian 12
Edit: after a lot of searching and trial-and-error, I seem to have solved the issue by modifying the nameserver address on the VMs `/etc/netplan/50-cloud-init.yaml`, followed by `sudo netplan apply`. This seems to persist even after rebooting the VM, despite the disclaimer in `/etc/netplan/50-cloud-init.yaml` stating that it shouldn't persist after a reboot. Does anyone know what's going on here?
I've just changed ISPs (to Telus), and now I get name resolution errors, like
Code:
ping: google.com: Temporary failure in name resolutionTo solve this, in Datacenter / proxmox / System / DNS, I saw where `64.59.144.91` is hardcoded and changed it to 8.8.8.8. I can now successfully ping google from the proxmox node's shell.
The issue is that on VMs, if I `cat /etc/resolv.conf`, I still see the old ISP nameserver. I tried `nano /etc/resolv.conf`, updating with 8.8.8.8, and then rebooting, but it repopulates with `64.59.144.91`
How can I fix the nameservers that get auto-populated to the proxmox node's virtual machines?
Edit: to add, in the VMs Cloud-Init settings, I have DNS domain and DNS servers both set to "use host settings"
Edit: also to add, the VM is running Debian 12
Edit: after a lot of searching and trial-and-error, I seem to have solved the issue by modifying the nameserver address on the VMs `/etc/netplan/50-cloud-init.yaml`, followed by `sudo netplan apply`. This seems to persist even after rebooting the VM, despite the disclaimer in `/etc/netplan/50-cloud-init.yaml` stating that it shouldn't persist after a reboot. Does anyone know what's going on here?
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