How to Set Up a High-Performance LEMP Stack on Ubuntu 26.04 in 2026 (NGINX + PHP 8.4 + MariaDB 11 + Redis)

In this tutorial, we are going to show you how to set up a high-performance LEMP stack on Ubuntu 26.04. LEMP is a shortcut for Linux, NGINX, MariaDB (or MySQL), and PHP. This stack has powered millions of fast, modern websites and web applications. The version we are going to install in this tutorial is the latest and greatest combination available in 2026: NGINX as the web server, PHP 8.4 with the FPM process manager, MariaDB 11.8 LTS as the database engine, and Redis as an in-memory cache layer for sessions and object caching.