Modules manage a specific technology in your infrastructure and serve as the basic building blocks of desired state management. On the , you will find a module to manage almost any part of your infrastructure. Whether you want to manage packages or patch operating systems, a module is already set up for you. See each module’s README for installation instructions, usage, and code examples.

When using an existing module from the , most of the code is written for you. You just need to install the module and its dependencies and write a small amount of code (known as a profile) to tie things together. Take a look at our Getting started with PE guide to see an example of writing a profile for an existing module. For more information about existing modules, see the module fundamentals documentation and Puppet Forge.