The operating system my web server runs on is (include version):
Ubuntu 20.04.3 LTS
My hosting provider, if applicable, is:
N/A
I can login to a root shell on my machine (yes or no, or I don't know):
Yes
I'm using a control panel to manage my site (no, or provide the name and version of the control panel):
Yes, Proxmox 7
The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot):
Nothing returned into console, thought version was installed today following the certbot guide. Certbot Instructions | Certbot