How to upgrade ubuntu from 18.04 to 20.04

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

• 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:

sudo apt update
sudo apt upgrade
sudo apt dist-upgrade

• Install update-manager-core: If you haven’t already installed the package, run:

sudo apt install update-manager-core

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

sudo do-release-upgrade -c

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

• Run the release upgrade: Start the upgrade process using:

sudo do-release-upgrade

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

• Reboot your system: Once the upgrade process is complete, reboot your system:

sudo reboot

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