Kirby is a Content Management System (CMS) that does not use a database. Kirby will adapt your projects and help you easily build your personal or professional website in only a few minutes. Kirby CMS offers incredible features that may not be available in other PHP based CMSs. Kirby is configured with YAML files and does not need a special template engine like Twig, and works with pure PHP and HTML. In this article, we will show you how to install Kirby CMS on Ubuntu 18.04.