The LEMP stack (Linux, Nginx, MySQL, PHP) is a popular solution for hosting dynamic websites and applications. In this tutorial, you will learn how to install and configure the LEMP stack on Ubuntu 22.04.

Step 1: Update Your System

Before starting the installation process, ensure your system is up-to-date by running the following command:

sudo apt update && sudo apt upgrade

Step 2: Install Nginx

Nginx is a high-performance web server used in the LEMP stack. Install it using the following command:

sudo apt install nginx

After installation, start and enable Nginx:

sudo systemctl start nginx

sudo systemctl enable nginx

Step 3: Install MySQL

MySQL is the database server used in the LEMP stack. To install MySQL, run the following command:

sudo apt install mysql-server

Once installed, run the security script to enhance MySQL security:

sudo mysql_secure_installation

Step 4: Install PHP

PHP is a server-side scripting language that processes dynamic content. Install PHP and the necessary extensions:

sudo apt install php-fpm php-mysql

PHP-FPM (FastCGI Process Manager) allows Nginx to handle PHP requests efficiently.

Step 5: Configure Nginx to Use PHP

To configure Nginx to process PHP files, open the default server block file:

sudo nano /etc/nginx/sites-available/default

Find the following section and modify it:

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/var/run/php/php7.4-fpm.sock;
    }
    

Save the file and restart Nginx:

sudo systemctl restart nginx

Step 6: Test PHP

To verify that PHP is working with Nginx, create a PHP info file:

sudo nano /var/www/html/info.php

Add the following code:

<?php phpinfo(); ?>

Save the file and visit http://your_server_ip/info.php to confirm PHP is working correctly.

Conclusion

You have successfully installed the LEMP stack on Ubuntu 22.04. This powerful combination of Nginx, PHP, and MySQL will allow you to host dynamic web applications efficiently.

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