How to Upgrade to Debian 11 from Version 8,9,10

This likely works for even older versions but I have only tested no 8,9,10.  It's quite impressive at how easy it is to upgrade from a very old version to the new version.  I would say that Debian version upgrades are some of the quickest and smoothest of any distro.

1.) Backup your /etc/apt/sources.list

cp /etc/apt/sources.list ~

Edit your /etc/apt/sources.list like this:

deb http://deb.debian.org/debian bullseye main
deb-src http://deb.debian.org/debian bullseye main

deb http://deb.debian.org/debian-security/ bullseye-security main
deb-src http://deb.debian.org/debian-security/ bullseye-security main

deb http://deb.debian.org/debian bullseye-updates main
deb-src http://deb.debian.org/debian bullseye-updates main


2.) Update to Debian 11

apt update

apt dist-upgrade

3.) Reboot

After this reboot into the upgraded OS and new kernel that came with it.

 

 

 


Tags:

upgrade, debian, versions, upgrades, quickest, smoothest, distro, etc, apt, sources, cp, edit, deb, http, org, bullseye, src, updates, update, dist, reboot, upgraded, os, kernel,

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