Ubuntu Server explanation guides

Our explanatory and conceptual guides are written to provide a better understanding of how Ubuntu Server works and how it can be used and configured. They enable you to expand your knowledge, making the operating system easier to use.

Introduction to…

If you’re not sure how or where to get started with a topic, these introductory pages will give you a high-level overview and relevant links (with context!) to help you navigate easily to the guides and other materials of most interest to you.

Virtualisation and containers

About virtual machines
Overview of VM tools in Ubuntu
Using virtual machines
Using QEMU for microVMs
Upgrading the machine type of your VM
About containers
Overview of container tools in Ubuntu
Other virtualization tools
About OpenStack


Active Directory integration


Server installation


Managing software

Web servers

Details and key concepts…
About web servers
About Squid proxy servers

System tuning

Useful tools

High availability


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