Linux Babe published a tutorial about installing OpenLiteSpeed, MariaDB, PHP8.0 on Ubuntu 20.04 or 18.04 Server.

Install OpenLiteSpeed, MariaDB, PHP8.0 on Ubuntu 20.04/18.04 Server

This tutorial is going to show you how to install LOMP stack (OpenLiteSpeed, MariaDB, and PHP8.0) on Ubuntu 20.04/18.04. A software stack is a set of software tools bundled together. LOMP stands for Linux, OpenLiteSpeed, MariaDB/MySQL and PHP, which can power dynamic websites and web applications. 

Install OpenLiteSpeed, MariaDB, PHP8.0 on Ubuntu 20.04/18.04 Server