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How to Install LEMP Stack on Ubuntu 20.04

Written by Admin, Updated On May 8, 2020
lemp, mysql, nginx, php, ubuntu
How To Install LEMP Stack on Ubuntu 20.04

The LEMP is a short name that describes a Linux operating system, with an Nginx (pronounced like “Engine-X”) web server. The backend data is stored in the MySQL or MariaDB database and the dynamic processing is handled by PHP. This tutorial describes how to install a LEMP stack on an Ubuntu 20.04 server.

We will show you how to install Nginx, install and secure MySQL, and install PHP.

Install LEMP Stack on Ubuntu#

You will need non-root user having sudo privileges to be able to install packages.

Step 1 – Installing Nginx#

Nginx is a high performance HTTP server. It’s available in default Ubuntu repositories. We’ll use the apt package manager to obtain this package.

Update the packages index and install Nginx by running the following commands:

sudo apt update
sudo apt install nginx

Once the installation is finished, the Nginx web server will be start automatically on your Ubuntu 20.04 server.

If you have the ufw firewall enabled, you will need to allow connections to Nginx. To list ufw profiles, run:

sudo ufw app list
Available applications:
  Nginx Full
  Nginx HTTP
  Nginx HTTPS
  OpenSSH

Since we have not configured SSL certificate, we need allow only HTTP traffic on port 80:

sudo ufw allow 'Nginx HTTP'

Verify the change by running:

sudo ufw status

It will show that HTTP traffic is now allowed:

Status: active

To                         Action      From
--                         ------      ----
OpenSSH                    ALLOW       Anywhere
Nginx HTTP                 ALLOW       Anywhere
OpenSSH (v6)               ALLOW       Anywhere (v6)
Nginx HTTP (v6)            ALLOW       Anywhere (v6)

To verify installation, open your web browser and enter your SERVER_IP_OR_DOMAIN as url and it should open nginx default page as given below.

http://SERVER_IP_OR_DOMAIN
nginx web server default page

Step 2 – Installing MySQL#

Now we need to install the database system to store and manage data for website. MySQL is a popular database management system. By default, MySQL 8.0 is available in Ubuntu repositories. Run the below command to install:

sudo apt install mysql-server

Once the installation finished, it’s recommended that you run a MySQL in-built security script.

sudo mysql_secure_installation

You will be asked to set the root password, remove the anonymous user, restrict root user access to the local machine, and remove the test database. You should answer Y (yes) to all questions.

Step 3 – Installing PHP#

You have installed Nginx and MySQL. Now we will install PHP to serve dynamic content for the web server.

PHP 7.4 packages are available under the default repositories on Ubuntu 20.04 LTS. We will install php-fpm module along with an additional helper package, php-mysql. php-mysql will allow PHP to communicate with your database backend. Execute below command:

sudo apt install php-fpm php-mysql

You now have your PHP components installed. Next, we’ll configure Nginx.

Step 4 – Configuring Nginx to Process PHP Pages#

At this point, you have installed all the components of LEMP. Edit the Nginx server block configuration file and add the following lines so that Nginx can process PHP files:

server {
  # other code

  location ~ \.php$ {
    include snippets/fastcgi-php.conf;
    fastcgi_pass unix:/run/php/php4.0-fpm.sock;
  }
}

Save and close the file. Restart the Nginx service for the changes to take effect:

sudo systemctl restart nginx

Step 5 – Test PHP with Nginx#

Now your LEMP components are installed and ready to test it. Create a test PHP file called info.php in your document root:

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

Add following code lines to this file:

<?php
phpinfo();

Save and close the file. Open this page using your server’s public ip address followed by /info.php as following:

http://SERVER_IP_OR_DOMAIN/info.php

You will see a web page containing detailed information about your server:

That’s it.

Conclusion#

This tutorial shown you how to install LEMP (Nginx, MySql, PHP) stack on Ubuntu 20.04 Focal Fossa server.

If you have any questions or feedback, leave a comment below.

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 Previous Article How to Install Apache, MySQL, PHP (LAMP) on Ubuntu 20.04
Next Article   How to Set Up Apache Virtual Hosts on Ubuntu 20.04

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