Official Ubuntu Documentation

Documentation developed and maintained by the Ubuntu Documentation Project.

Release	Desktop	Server
Ubuntu 25.04 (Plucky Puffin)	HTML	HTML and PDF
Ubuntu 24.04 LTS (Noble Numbat)	HTML	HTML and PDF
Ubuntu 22.04 LTS (Jammy Jellyfish)	HTML	HTML and PDF

Notes:

• The server server documentation source code has moved to github.

• The Desktop links above are available in many different languages. They will be displayed in the preferred language specified by your browser. If the preferred language is not available they will be displayed in English. The Serverguide is available solely in English.

• Unsupported releases are not shown here. See instructions for upgrading to a supported version.

• Useful information: LTS details and release & end-of-life dates (for all versions).

More Ubuntu documentation (MAAS, Juju, Cloud-init, ...)