Although upgrades are normally safe, there is always a chance that something may go wrong. Software installed from these repositories is the single most common cause of upgrade issues.īackup any and all data. However, any software installed from these repositories is not removed or downgraded. Third-party software repositories and personal package archives (PPAs) are disabled during the upgrade. Users should have dedicated time to participate in the upgrade process. The upgrade process takes time to complete. Systems with additional software installed may therefore require a few gigabytes of free disk space. Upgrading a system will make your system download new packages, which is likely to be on the order of hundreds of new packages. Users should check that there is sufficient free disk space for the upgrade. To upgrade run the following commands: sudo apt update It is also suggested that users reboot the system after all the updates are applied to verify they are running the latest kernel. Users should confirm that these commands complete successfully and that no further updates are available. The upgrade process works best when the current system has all the latest updates installed. Release notes for each release are found on the Ubuntu Wiki Releases page.įully update the system. To ensure a successful upgrade, please review the following items:Ĭheck the release notes for the new release for any known issues or important changes. After the initial standard support, an extended support period is available via an Ubuntu Pro subscription.įor a complete list of releases and current support status see the Ubuntu Wiki Releases page. It is recommended that users run an LTS release as it provides 5 years of standard support and security updates. To do this, the user would need to upgrade twice: once to Ubuntu 18.04 LTS, and then upgrade again to Ubuntu 20.04 LTS.

For example, a user on Ubuntu 16.04 LTS can upgrade to Ubuntu 18.04 LTS, but cannot jump directly to Ubuntu 20.04 LTS.

Ubuntu supports the ability to upgrade from one LTS to the next LTS in sequential order. This article details how to upgrade an Ubuntu Server or Ubuntu cloud image to the next release. Multi-node configuration with Docker-Composeĭistributed Replicated Block Device (DRBD)

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