How to upgrade from an EOL (End Of Life) Ubuntu MATE release (23.04 will be EOL in January 2024)

So, if you find that your Ubuntu MATE 23.04 (Lunar Lobster) install is EOL (End Of Life), follow these steps to upgrade to Ubuntu MATE 23.10 (Mantic Minotaur):

  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 23.10!


@ricmarques thanks for updating the title!