April 16, 2024 - Linux Ubuntu

To upgrade Ubuntu 18.04 to 20.04, you can follow the steps below:

1. Update your system: Before starting the upgrade process, it’s recommended to update your system to ensure you have the latest packages and security patches. Open a terminal and run the following commands:

   sudo apt update sudo apt upgrade sudo apt dist-upgrade

2. Install update-manager-core: If you haven’t already installed the update-manager-core package, you will need to install it using the following command:

   sudo apt install update-manager-core

3. Check the release upgrade prompt: Run the following command to check if a new release of Ubuntu is available:

   sudo do-release-upgrade -c

   If a new release is available, you will see a message like “New release ‘20.04’ available.”

4. Run the release upgrade: To start the upgrade process, run the following command:

   sudo do-release-upgrade

   This will launch the release upgrader, which will guide you through the upgrade process. Follow the on-screen instructions to complete the upgrade.

5. Reboot your system: Once the upgrade process is complete, reboot your system to apply the changes:

   sudo reboot

    

That’s it! Your Ubuntu 18.04 system should now be upgraded to Ubuntu 20.04.