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Upgrade Debian 10 Buster to Debian 11 Bullseye: A Step-by-Step Guide

On August 14th, 2021 the Debian project finally released a stable version of Debian 11 Bullseye after over two years of development. If you haven’t already upgraded, this step-by-step tutorial is going to show you how to safely upgrade Debian 10 Buster to Debian 11 Bullseye from command line.