How to Upgrade Debian 11 Bullseye to Debian 12 Bookworm
This quick guide shows how to upgrade from Debian 11 Bullseye to Debian 12 Bookworm. Only a few simple steps are necessary.
Whats new in Debian 12?
The most important point and reason why you should upgrade to Debian 12 is that the new Kernel 6.1 has been implemented. This brings further stability to the system, which Debian is already known for.
Besides, many software components have been updated, such as KDE & Gnome.
The most special highlight is probably the PHP version 8.2 and Python 3.11.2.
How to Upgrade Debian 11 to 12
First you should change the package sources from Debian11 Bullseye to Debian 12 Bookworm. This is done automatically with the following command.
sudo sed -i'.bak' 's/bullseye/bookworm/g' /etc/apt/sources.listTo start the update afterwards, the new repositories must be read and then the distro upgrade can be started.
sudo apt update
sudo apt dist-upgradeI would advise to clean the system with autoremove after the upgrade.
sudo apt --purge autoremoveQuick guide
sudo sed -i'.bak' 's/bullseye/bookworm/g' /etc/apt/sources.list
sudo apt update
sudo apt dist-upgrade
A DynDNS Service from IPv64.net
The DynDNS service of IPv64.net is free of charge and usable in all common routers and systems.
You have the choice between many different domain names.
Healthcheck und Monitoring Service
The IPv64.net Healthchecks monitor your services, servers and endpoints. Receive notifications when your services fail.
This monitoring service is free with all features.
Register now
Registration with IPv64 is free of charge and immediately available for you.
Our Homelab recommendation
| TP-Link Omada EAP670, AX5400 ~ 143.91 € Show me |
| AVM FRITZ!Box 6690 Cable (20002965) ~ 259.90 € Show me |