How to upgrade from Debian 10 to Debian 11

Whats new in Debian 11?


For the security reasons please backup before procedding with upgrade.

Make sure You have upgraded your debian distribution to the latest old-stable release. Run following commands from the console:

sudo apt-get update

sudo apt-get upgrade

If you are up-to-date with Debian 10 distribution you can proced to the next chapter:

Upgrade to Debian 11:

First edit with your favorite editor the /etc/apt/sources.list file. You can change the file also with sed command:

sed -i 's/buster\/updates/bullseye-security/g;s/buster/bullseye/g' /etc/apt/sources.list

After that you are able to upgrade to the Debian 11 system by running following commands:

apt-get update

apt-get upgrade

apt-get dist-upgrade

Next we must reboot into new system 🙂

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