Apache is an open-source web server that serves both static and dynamic web applications. It's highly customizable, supports numerous modular extensions, and can function as a reverse proxy or load balancer for delivering web applications or backend services on your server. This article provides instructions for installing Apache on Ubuntu 20.04 and configuring it to securely deliver web applications using virtual hosts. Before you begin: * Have an [Ubuntu 20.04 server](https://www.vultr.com/ser......