Recenly I wanted to upgrade one of my virtual machines from Debian 11.1 (bullseye) to Debian 12 (bookworm). But how to do that when it is not Ubuntu, which I use quite often?
Well, I have found a very informative tutorial, step by step - with almost guaranteed success ratio ;-)
See more:
https://ostechnix.com/upgrade-to-debian-12-from-debian-11/
