Salt is a configuration management system used by Uyuni to manage clients.
In Uyuni, the Salt master runs on the Uyuni Server, allowing you to register and manage Salt clients.
This book is designed to be a primer for using Salt with Uyuni.
For more information about Salt, see the Salt documentation at https://docs.saltstack.com/en/latest/contents.html.
The current version of Salt in Uyuni is 2019.2.0.