Please note that I have only tried this on a single Proxmox node, and NOT a node joined to a cluster. Change to the new hostname in the following 3 files: nano /etc/hostsnano /etc/hostnamenano /etc/postfix/main.cfReboot Proxmox. Next, copy the
Renaming a Proxmox node isn't as simple as one would imagine, especially if you have existing VMs. Simply follow this guide step by step and you'll be good to go :) Start by stopping necessary services: systemctl stop pve*nano /etc/hostnameReplace all instances of
To change the hostname of an Ubuntu machine you can run the following commands: sudo hostname your-new-name This will only update the hostname when the service or machine is restarted. To restart the service run: sudo service hostname start Also ensure you change your