A tutorial on Howtoforge explains how to set up the phpBB forum on Ubuntu 22.04 LTS with Apache and a free Let's Encrypt SSL certificate.

How to Install phpBB Forum with Apache and free Let's Encrypt SSL on Ubuntu 22.04

phpBB is free and open-source forum software that provides a space for people to gather and communicate with each other. It is written in PHP and uses MariaDB as a database backend. It offers a rich set of features, including sub-forums, user groups, full-text search, plugins, and email notifications. It is fully scalable, and customizable, and has a user-friendly interface and straightforward management options.

How to Install phpBB Forum with Apache and free Let's Encrypt SSL on Ubuntu 22.04