How to Update Ubuntu Linux

To update Ubuntu Linux, you can use the following steps:

1. Open a terminal and run the following command to update the package lists:

sudo apt update

This will update the list of available packages and their versions from the package repositories.

2. Run the following command to upgrade all installed packages to the latest version:

sudo apt upgrade

This will upgrade all the packages on your system to the latest version available in the package repositories.

If you want to upgrade to a newer version of Ubuntu, you can use the do-release-upgrade command.

For example, to upgrade from Ubuntu 18.04 LTS to Ubuntu 20.04 LTS, you can use the following command:

sudo apt update
sudo apt install update-manager-core
sudo do-release-upgrade

Note that upgrading to a newer version of Ubuntu can be a complex process and may require additional steps, depending on your system configuration. It's recommended to back up your data and consult the documentation for the new version of Ubuntu before upgrading.