Ubuntu 23.04 is the version of the Ubuntu operating system being released in April 2023. The development codename given to this release is "Lunar Lobster".

Before You Start

• You can directly upgrade to Ubuntu 23.04 ("Lunar Lobster") from Ubuntu 22.10 ("Kinetic Kudu").
• Be sure that you have all updates applied to your current version of Ubuntu before you upgrade.

• Before upgrading it is recommended that you read the release notes for Ubuntu 23.04, which document caveats and workarounds for known issues in this version.

If you have a version of Ubuntu other than 22.10, please see UpgradeNotes for information on how to upgrade.

Upgrade from 22.10 to 23.04

Upgrading Ubuntu Desktops to 23.04

You can easily upgrade over the network with the following procedure.

1. Run the update-manager application.

2. In Update Manager, click the Settings... button, and enter your password to start the Software Sources application.

3. Select the sub menu Updates from the Software Sources application.

4. Confirm the "Notify me of a new Ubuntu version:" option is set to "For any new version", and change it if otherwise.
5. Close the Software Sources application and return to Update Manager.

6. In Update Manager, click the Check button to check for new updates.

7. If there are any updates to install, use the Install Updates button to install them. , and press Check again after that is complete.

8. Run update-manager.

9. A message will appear informing you of the availability of the new release.

10. Click Upgrade.

11. Follow the on-screen instructions.

Ubuntu Servers

1. Install ubuntu-release-upgrader-core if it is not already installed:

   sudo apt-get install ubuntu-release-upgrader-core

2. Edit /etc/update-manager/release-upgrades and set Prompt=normal

3. Launch the upgrade tool:

   do-release-upgrade

4. Follow the on-screen instructions.

Lubuntu

Please refer to https://manual.lubuntu.me/stable/D/upgrading.html for our instructions on upgrading. You may note it contains no new detail, but maybe helpful if upgrade isn't found or other issues.

See Also

• UpgradeNotes for all supported versions of Ubuntu

Troubleshooting

See the release notes.

CategoryUpgrade