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 to the guides and other materials of most interest to you.
Virtualization
Networking
Authentication and access
Security
Useful services
High Availability
eBPF
Cloud-init
Security¶
Our security section includes additional discussion of concepts and features around authentication, cryptography, and Virtual Private Networks (VPNs).
For more general introductions to these topics, see:
Networking¶
Active Directory integration
Managing software¶
Storage¶
Device Mapper Multipathing
Web services¶
Virtualisation and containers¶
About virtual machines
Using virtual machines
About containers
Other virtualisation tools
System tuning¶
Profile-Guided Optimization PGO
Obtain the hierarchical map of key computing elements using hwloc and lstopo
Check and control CPU governors, power and frequency with cpupower
Dynamic, adaptive system tuning with TuneD