How to upgrade from an EOL (End Of Life) Ubuntu MATE release (22.10 will be EOL in July 2023)

So, if you find that your Ubuntu MATE 22.10 (Kinetic Kudu) install is EOL (End Of Life), follow these steps to upgrade to Ubuntu MATE 23.04 (Lunar Lobster):

  1. Open a terminal and type in sudo nano /etc/apt/sources.list and change all ‘’ (Or a mirror that you’re using) entries to
  2. Press CTRL+X to save your changes and confirm by pressing yes.
  3. Press enter to exit and type in: sudo apt update && sudo apt upgrade then reboot.
  4. After rebooting, open a terminal and type in sudo do-release-upgrade. Follow the prompts and reboot.

And, congratulations! You have sucessfully upgraded to Ubuntu MATE 23.04!