phpBB is one of the oldest open source forum software that is still actively developed today. This guide explains how to install phpBB with Apache, MariaDB, and PHP on Ubuntu 20.04 and set up HTTPS with a free Let's Encrypt TLS certificate. * Deploy an [Ubuntu 20.04 server with the LAMP stack](https://www.vultr.com/apps/lamp). * Follow Vultr's best practices guides to [create a sudo user](https://docs.vultr.com/how-to-use-sudo-on-a-vultr-cloud-server#create-a-sudo-user-on-debian--ubuntu) and [up......