System Admin
Debian Upgrade

Debian Upgrade

Upgrade Steps

  1. Backup the system.
  2. Update existing packages and reboot.
  3. Replace the contents of /etc/apt/sources.list with the desired Debian version's list below.
  4. Update the packages index apt update
  5. Prepare for the operating system minimal upgrade apt upgrade --without-new-pkgs
  6. Full upgrade the system apt full-upgrade

Source Lists

Debian 11 Bullseye

deb http://deb.debian.org/debian bullseye main contrib non-free
deb-src http://deb.debian.org/debian bullseye main contrib non-free
 
deb http://deb.debian.org/debian-security/ bullseye-security main contrib non-free
deb-src http://deb.debian.org/debian-security/ bullseye-security main contrib non-free
 
deb http://deb.debian.org/debian bullseye-updates main contrib non-free
deb-src http://deb.debian.org/debian bullseye-updates main contrib non-free
 
deb http://deb.debian.org/debian bullseye-backports main contrib non-free
deb-src http://deb.debian.org/debian bullseye-backports main contrib non-free

Debian 10 Buster

deb http://deb.debian.org/debian buster main contrib non-free
deb-src http://deb.debian.org/debian buster main contrib non-free
 
deb http://deb.debian.org/debian-security/ buster-security main contrib non-free
deb-src http://deb.debian.org/debian-security/ buster-security main contrib non-free
 
deb http://deb.debian.org/debian buster-updates main contrib non-free
deb-src http://deb.debian.org/debian buster-updates main contrib non-free
 
deb http://deb.debian.org/debian buster-backports main contrib non-free
deb-src http://deb.debian.org/debian buster-backports main contrib non-free
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