Ubuntu 21.04 Hirsute Hippo Reached End of Life

Ubuntu 21.04 (Hirsute Hippo) as the release has now reached the end of life. Ubuntu 21.04 was released nine months ago, on April 22nd, 2021. If you’re still using Ubuntu 21.04, it is highly recommended that you upgrade to the latest Ubuntu operating system as Canonical will stop offering updates for Ubuntu 21.04 users.

Ubuntu 21.04 Hirsute Hippo Reached End of Life

Tutorial to upgrade your Ubuntu 21.04 Hirsute Hippo to the latest version of Ubuntu Linux.

• At first, Run the update-manager application in your Ubuntu 21.04
• Now you will see the update manager window.  You need to click the Settings button and enter your system password to start the Software Sources application
• Now, you will see the software sources application window from where you need to select the Updates sub-menu.
• Confirm the “Notify me of a new Ubuntu version:” option is set to “For any new version”, and change it if otherwise.
• Close the Software Sources application and return to Update Manager.
• In Update Manager, click the Check button to check for any new updates.
• If there are any updates to install, use the Install Updates button to install them.
• Now, Run update-manager -d.
• Click Upgrade and follow the on-screen instructions.

From the command line you can also upgrade with the following command:

sudo do-release-upgrade