Uploaded July 2023 | Updated September 2026, 2 weeks ago

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#Debian #Linux #Bookworm

Full steps can be found at i12bretro.github.io/tutorials/0556.html

   01. Log into the Debian 11 device
   02. Run the following commands in a terminal window
         # clean apt cache
         sudo apt clean
         # update apt repositories from bullseye to bookworm
         find /etc/apt -type f -name "*.list" -print0 | xargs -0 sudo sed -i.bak "s/bullseye/bookworm/g"
         # add optional non-free repos
         echo "deb deb.debian.org/debian bookworm main contrib non-free non-free-firmware" | sudo tee /etc/apt/sources.list
         # update software repositories
         sudo apt update
         # install software updates
         sudo apt dist-upgrade -y
         # remove unnecessary packages
         sudo apt autoremove -y
         # clean apt cache
         sudo apt clean
         # reboot
         sudo reboot now
   03. That's it, Debian 11 Bullseye has been updated in place to Debian 12 Bookworm
 


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