MyBB, also known as MyBBoard or MyBulletinBoard, is very popular and free forum software developed using PHP and MySQL. This tutorial will help you install MyBB on a Linux virtual server.
This article assumes that Nginx is already set up and running with PHP 5.1 or newer via FastCGI. Also, MyBB forum requires a database for data storage, so you need to have MySQL, PostgreSQL, or SQLite installed and running on your VPS.