- Run
sudo nano /etc/apt/sources.list
- Add
contrib non-free
to each deb
and deb-src
source
deb [...] bullseye main contrib non-free
deb-src [...] bullseye main contrib non-free
deb [...] bullseye-security main contrib non-free
deb-src [...] bullseye-security main contrib non-free
deb [...] bullseye-updates main contrib non-free
deb-src [...] bullseye-updates main contrib non-free
- Change only the first two sources to use
unstable
or testing
.
deb http://deb.debian.org/debian/ unstable main contrib non-free
deb-src http://deb.debian.org/debian/ unstable main contrib non-free
- Run
sudo apt update && sudo apt dist-upgrade -y