There are no offline upgrade options for Ubuntu Desktop and Ubuntu Server. Note that the server upgrade will use GNU screen and automatically re-attach in case of dropped connection problems. ![]() Launch the upgrade tool with the command sudo do-release-upgrade Make sure the Prompt line in /etc/update-manager/release-upgrades is set to 'normal' if you want non-LTS upgrades, or 'lts' if you only want LTS upgrades. Install update-manager-core if it is not already installed. Click Upgrade and follow the on-screen instructions.If not you can run /usr/lib/ubuntu-release-upgrader/check-new-release-gtk Update Manager should open up and tell you that Ubuntu 18.04 LTS is now available.Press Alt+F2 and type update-manager -c into the command box. Set the "Notify me of a new Ubuntu version" drop down menu to "For any new version" if you are using 16.04 LTS set it to "For long-term support versions" if you are using 17.10.Open the "Software & Updates" Setting in System Settings. You can download ISOs and flashable images from: (Ubuntu Desktop and Server) Images can be downloaded from a location near you. All other flavors will be supported for 3 years.įind the links to release notes for official flavors here. Ubuntu Studio 18.04 will be supported for 9 months. Ubuntu 18.04 LTS will be supported for 5 years for Ubuntu Desktop, Ubuntu Server, and Ubuntu Core. The 'main' archive of Ubuntu 18.04 LTS will be supported for 5 years until April 2023. The release notes for 18.04 are available as well. For details of the changes applied since 18.04, please see the 18.04.1 change summary. These release notes for Ubuntu 18.04.1 LTS (Bionic Beaver) provide an overview of the release and document the known issues with Ubuntu 18.04 LTS and its flavors. s390x-specific enhancements (since 17.10).Other base system changes since 16.04 LTS.Improved UEFI Secure Boot handling for the use of third-party modules.Default CIFS/SMB protocol version change in CIFS mounts.Upgrading from Ubuntu 16.04 LTS or 17.10.
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