Iso Debian 11 ◆

sudo sed -i 's/buster/bullseye/g' /etc/apt/sources.list sudo apt update sudo apt upgrade --without-new-pkgs sudo apt full-upgrade sudo apt autoremove sudo reboot But you’ll need the for a clean install. 10. Security status (as of 2025) Debian 11 is oldstable (Debian 12 = stable, 13 = testing). Security support via the oldstable suite ends ~August 2026 . After that, use archive.debian.org repositories.

Update /etc/apt/sources.list to:

sha256sum -c SHA256SUMS --ignore-missing Import the Debian signing key: iso debian 11

deb http://archive.debian.org/debian/ bullseye main contrib non-free deb http://archive.debian.org/debian-security bullseye-security main For most users installing Debian 11 today : → firmware-11.11.0-amd64-netinst.iso from the unofficial non-free archive. sudo sed -i 's/buster/bullseye/g' /etc/apt/sources