no network connections on boot

Yesterday I upgrade from some 8.0 version to 8.1.10. The proxmox server won't get any network connection. I am a Linux/Proxmox rookie, and I would really appreciate if someone can give me some help. I try to describe the symptoms I cannot connect to the proxmox web-client, and it does not reply...

Hello everyone, I have some interesting times lately. We had no problems with Proxmox 7 and everything was working and so we wanted to try new version 8. Installation went ok, both network ports were working during installation and data were flowing, but right after the restart after successful...

I have done a fresh install of latest Proxmox 5.1-3 on 3 machines to create a PVE/ceph home setup. Machine 1 ( HP z420 v2) works fine. Machine 2 ( custom build FX 8320e / Asus M5A78l-m/USB-3 mobo) works fine. Machine 3 ( FX 6300 Gigabyte GA-990FXA-UD3 ver.3) has 2 separate issues...