The LEMP stack — Linux, Nginx, MySQL, and PHP — powers dynamic web applications with Nginx's high-concurrency architecture at the front and PHP-FPM's FastCGI process pool handling PHP execution. Ubuntu 26.04 ships with PHP 8.5, giving you a modern base to build on. This guide sets up a production-ready LEMP stack, secures it with a Let's Encrypt certificate, and verifies the full setup with a PHP page that reads from MySQL. By the end, you'll have a fully operational LEMP server ready to host web applications. Install Nginx 1. Update the APT package index: $ sudo apt update Enter fullscreen mode Exit fullscreen mode 2. Install Nginx: $ sudo apt install nginx -y Enter fullscreen mode Exit fullscreen mode 3. Enable and start the service: $ sudo systemctl enable nginx $ sudo systemctl start nginx Enter fullscreen mode Exit fullscreen mode Install MySQL 1. Install the MySQL server package: $ sudo apt install mysql-server -y Enter fullscreen mode Exit fullscreen mode 2.…