# In Place Upgrade Debian 10 Buster to 11 Bullseye

1. Log into the Debian 10 device
2. Run the following commands in a terminal window
   # clean apt cache
   sudo apt clean
   # update apt repositories to bullseye
   find /etc/apt -type f -name "*.list" -print0 | xargs -0 sudo sed -i.bak "s/buster\/updates/bullseye-security/g;s/buster/bullseye/g"
   # update software repositories
   sudo apt update
   # install software updates
   sudo apt dist-upgrade -y
   # clean apt cache
   sudo apt clean
   # reboot
   sudo reboot now
3. That's it, Debian 10 Buster has been updated in place to Debian 11 Bullseye