Ubuntu installation guide

Subiquity is an installer framework for Ubuntu. It provides the Ubuntu Server with a text-based installation user interface and Ubuntu Core first-boot configuration. Subiquity is also the back end for the Ubuntu Desktop installer.

This documentation set offers guidance for installing Ubuntu Server using Subiquity. It also includes instructions on performing an automated installation using the autoinstall feature.


The aim is to gradually expand this documentation to cover the installation of all variants of the Ubuntu operating system.

In this documentation


Get started - a hands-on introduction to Subiquity for new users

How-to guides

Step-by-step guides covering key operations and common tasks


Technical information - specifications, APIs, architecture


Discussion and clarification of key topics

Project and community

Subiquity is a member of the Ubuntu family. It’s an open source project that warmly welcomes community projects, contributions, suggestions, fixes and constructive feedback. Use the following resources to ask questions, report bugs, contribute translations, or participate in the development of the Ubuntu installer.

Get started: