LAMP Installation

Update the System

First, update your CentOS system to ensure all packages are up to date.

sudo dnf update -y

Step 1: Install Apache Web Server

Install the Apache web server using dnf:

sudo dnf install httpd -y

Enable Apache to start on boot and start the service:

sudo systemctl enable httpd

sudo systemctl start httpd

You can check if Apache is running with:

sudo systemctl status httpd

Step 2: Install MariaDB (MySQL Alternative)

CentOS 9 uses MariaDB as the default database server. Install it using dnf:

sudo dnf install mariadb-server -y

Enable MariaDB to start on boot and start the service:

sudo systemctl enable mariadb

sudo systemctl start mariadb

Secure the MariaDB installation:

sudo mysql_secure_installation

Follow the prompts to set the root password and improve security.

Step 3: Install PHP

Install PHP and the necessary PHP extensions:

sudo dnf install php php-mysqlnd php-fpm php-xml php-json php-common -y

To verify the PHP installation, check the version:

php -v

Step 4: Configure Firewall

If you're running a firewall, allow HTTP and HTTPS traffic:

sudo firewall-cmd --permanent --add-service=http

sudo firewall-cmd --permanent --add-service=https

sudo firewall-cmd --reload

Step 5: Test the LAMP Stack

Apache Test

Open a web browser and navigate to your server's IP address. You should see the Apache test page.

PHP Test

Create a test PHP file in the web root directory:

echo "" | sudo tee /var/www/html/info.php

Now, go to http://your_server_ip/info.php in a web browser. If you see the PHP information page, PHP is working correctly.

MariaDB Test

Log into MariaDB:

sudo mysql -u root -p

You should be prompted for the root password. If you can log in, MariaDB is working.

Conclusion

That's it! You've successfully installed and configured the LAMP stack on CentOS 9.