How to upgrade Proxmox VE 7.x to 8.0 - Safe & Fast

This secure quick guide explains step by step how to upgrade Proxmox VE 7.x to Proxmox VE 8. Only a few steps are necessary.

This guide is a safe quick guide to upgrade Proxmox 7 to version 8. If you want to get all details and precise information, see the original Proxmox Upgrade Guide. It can be found here.

Start with your Proxmox 7 to 8 upgrade

1. Check your system with pve7to8

The tool pve7to8 can be used to check if there are any dependencies or problems on the system. please work through all occurrences cleanly first.

pve7to8 --full

2. Change the apt entries from bullseye to bookworm

sed -i 's/bullseye/bookworm/g' /etc/apt/sources.list

3. Update the apt package sources

apt update

4. update the entire system including proxmox

apt upgrade

If questions should come up during the upgrade, you should simply confirm them with the default value by pressing [ENTER].

5. Reboot your System - You are up to date.

reboot