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

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2. Install Nginx:

$ sudo apt install nginx -y

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3. Enable and start the service:

$ sudo systemctl enable nginx $ sudo systemctl start nginx

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Install MySQL

1. Install the MySQL server package:

$ sudo apt install mysql-server -y

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2.…