A how-to is an informal, often short, description of how to accomplish a specific task. A how-to is usually meant to help non-experts, may leave out details that are only important to experts, and may also be greatly simplified from an overall discussion of the topic.
This is something I need quite often when I setup a new VPS or Virtual Machine in the cloud. I use multiple cloud infrastructures that includes Azure, Amazon AWS, DigitalOcean, …