Debian trixie upgrade guide
This is my guide on how to upgrade to debian 13
Do at your own risk as may break system packages and only attempt to upgrade from bookworm
This is a short guide on to upgrade your system to Debian 13 which is testing and packages are a lot more up to date for example newer packages needs Debian 13. You can do it from pretty much any version to start run this command.
sudo nano /etc/apt/sources.list
Replace where it says your Debian version code name that you have installed to trixie e.g (here are the bookworm ones)
deb http://deb.debian.org/debian bookworm main non-free-firmware
deb-src http://deb.debian.org/debian bookworm main non-free-firmware
deb http://deb.debian.org/debian-security/ bookworm-security main non-free-firmware
deb-src http://deb.debian.org/debian-security/ bookworm-security main non-free-firmware
deb http://deb.debian.org/debian bookworm-updates main non-free-firmware
deb-src http://deb.debian.org/debian bookworm-updates main non-free-firmware
To
deb http://deb.debian.org/debian trixie main non-free-firmware
deb-src http://deb.debian.org/debian trixie main non-free-firmware
deb http://deb.debian.org/debian-security/ trixie-security main non-free-firmware
deb-src http://deb.debian.org/debian-security/ trixie-security main non-free-firmware
deb http://deb.debian.org/debian trixie-updates main non-free-firmware
deb-src http://deb.debian.org/debian trixie-updates main non-free-firmware
Enter these commands to upgrade
sudo apt update
sudo apt full-upgrade -y
Then reboot your system and run neofetch to double check and you should have Debian 13.