How to Install LAMP Stack on CentOS 8


LAMP is the acronyms of Linux, Apache, MySQL and PHP. Apache is the web server to serve files over HTTP protocol. MySQL is the popular database server. PHP is the programming language used for developing web applications. Using these applications, we can create a full fledged web server. The most common way to run PHP applications with Apache is the use of mod_php module. Also the good alternative is to use PHP-FPM, which has several advantages over this. The default installation on CentOS 8 uses PHP-FPM to process php files.

Install Linux, apache, MySQL, ,PHP or LAMP on the centOS 8; Through this tutorial, we will learn how to install and configure LAMP (Linux, Apache, MySQL, and PHP) on CentOS 8.

How to Install LAMP Stack on CentOS 8

Follow the following steps to install and configure LAMP (Linux, Apache, MySQL, and PHP) on CentOS 8:

  • Step 1 – Install Apache
  • Step 2 – Install MySQL Server
  • Step 3 – Install PHP
  • Step 4 – Create Apache VirtualHost
  • Step 5 – Allow Ports in Firewalld
  • Step 6 – Test Setup

Step 1 – Install Apache

The Apache web server packages are available under the default AppStream repository on CentOS 8. You just need to update the DNF cache and install packages using the following commands.

sudo dnf update 
sudo dnf install httpd httpd-tools

The mod_ssl package provides the functionality to use an SSL certificate for secure HTTP. After installation, enable the httpd service and start.

sudo systemctl enable httpd.service
sudo systemctl start httpd.service

Now check the Apache service status:

sudo systemctl status httpd.service

Output:

● httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)
  Drop-In: /usr/lib/systemd/system/httpd.service.d
           └─php-fpm.conf
   Active: active (running) since Sat 2022-03-22 04:27:24 EDT; 5s ago
     Docs: man:httpd.service(8)
 Main PID: 8644 (httpd)
   Status: "Started, listening on: port 80"
    Tasks: 213 (limit: 8918)
   Memory: 21.5M
   CGroup: /system.slice/httpd.service
           ├─8644 /usr/sbin/httpd -DFOREGROUND
           ├─8650 /usr/sbin/httpd -DFOREGROUND
           ├─8651 /usr/sbin/httpd -DFOREGROUND
           ├─8652 /usr/sbin/httpd -DFOREGROUND
           └─8653 /usr/sbin/httpd -DFOREGROUND

Mar 22 04:27:23 tutsmake systemd[1]: Starting The Apache HTTP Server...
Mar 22 04:27:24 tutsmake systemd[1]: Started The Apache HTTP Server.
Mar 22 04:27:24 tutsmake httpd[8644]: Server configured, listening on: port 80

Step 2 – Install MySQL Server

The latest MySQL 8 packages are available under the AppStrem repository under CentOS 8. Use the following command to install MySQL server including required packages on your system.

sudo dnf -y install @mysql

After completing the installation, enable the MySQL service to auto-start on the system start. Also start service manually for the first time.

sudo systemctl enable mysqld.service
sudo systemctl start mysqld.service

Then check the service current status using the following command:

sudo systemctl status mysqld.service
● mysqld.service - MySQL 8.0 database server
   Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
   Active: active (running) since Sat 2022-03-22 02:49:33 EDT; 5min ago
  Process: 5841 ExecStartPost=/usr/libexec/mysql-check-upgrade (code=exited, status=0/SUCCESS)
  Process: 5706 ExecStartPre=/usr/libexec/mysql-prepare-db-dir mysqld.service (code=exited, status=0/SUCCESS)
  Process: 5682 ExecStartPre=/usr/libexec/mysql-check-socket (code=exited, status=0/SUCCESS)
 Main PID: 5798 (mysqld)
   Status: "Server is operational"
    Tasks: 38 (limit: 8918)
   Memory: 442.1M
   CGroup: /system.slice/mysqld.service
           └─5798 /usr/libexec/mysqld --basedir=/usr

Mar 22 02:48:42 tutsmake systemd[1]: Starting MySQL 8.0 database server...
Mar 22 02:48:45 tutsmake mysql-prepare-db-dir[5706]: Initializing MySQL database
Mar 22 02:49:33 tutsmake systemd[1]: Started MySQL 8.0 database server.

The MySQL installation has been completed. Now you can connect the MySQL server without any password but we recommend securing the MySQL installation. The MySQL packages provide mysql_secure_installation command to apply the security. Just run the below command on terminal:

sudo mysql_secure_installation

and follow the on-screen instructions. Below are the details which require user input.

  • Press y|Y for Yes, any other key for No: y
  • Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG: 2
  • New password: [ENTER STRONG PASSWORD HERE]
  • Re-enter new password: RE ENTER PASSWORD HERE
  • Do you wish to continue with the password provided?(Press y|Y for Yes, any other key for No) : y
  • Remove anonymous users? (Press y|Y for Yes, any other key for No) : y
  • Disallow root login remotely? (Press y|Y for Yes, any other key for No) : y
  • Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y
  • Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y

Step 3 – Install PHP

The Remi repository contains the latest PHP packages for the CentOS 8 Linux system. So first of all, you need to add the REMI repository to your system. Just execute the following command to add the repository.

sudo dnf install dnf-utils http://rpms.remirepo.net/enterprise/remi-release-8.rpm

Then enable the required DNF module for PHP installation. Here we are enabling the module for installing PHP 7.4. You can change this to PHP 7.3 or PHP 7.2 as per your requirements.

sudo dnf module reset php
sudo dnf module enable php:remi-7.4

Once the repository is enabled on your system. Install PHP packages along with required PHP modules.

sudo dnf install php php-mysqlnd

You many also need to install other required php modules as per your application requirements. The below command will install few frequently used php modules:

dnf install php-gd php-zip php-mcrypt php-json php-xml php-gettext php-curl php-intl 

Step 4 – Create Apache VirtualHost

All the packages required for LAMP environment is installed. Now, create the Apache virtual host. By default the Apache uses php-fpm for processing PHP files on CentOS 8 system.

Create and edit virtual host configuration file in the favorite text editor:

sudo vim /etc/httpd/conf.d/tutsmake.example.net.conf

Add the following content in the configuration file. Make sure to change required parameters.

<VirtualHost *:80>
    ServerAdmin [email protected]
    DocumentRoot /var/www/html
 
    ServerName tutsmake.example.net
    ServerAlias www.tutsmake.example.net
 
    ErrorLog logs/tutsmake.net-error.log
    CustomLog logs/tutsmake.net-access.log combined
</VirtualHost>

Save the virtual host configuration file and reload Apache to apply changes.

sudo systemctl restart httpd.service

Step 5 – Allow Ports in Firewalld

The CentOS 8 Linux server is ready to serve the application over LAMP environment. If your system has firewalld installed ans active, you need to allow Apache ports. This will allow network users to access web application from remote systems.

The following commands will open the required ports for you.

sudo firewall-cmd --zone=public --permanent --add-service=http
sudo firewall-cmd --zone=public --permanent --add-service=https
sudo firewall-cmd --reload

Step 6 – Test Setup

All done. To test the environment, create a PHP script with phpinfo() function. Place this file to your server document root. Use the below command to do this.

echo "<?php phpinfo(); ?>" > /var/www/html/info.php

Then access info.php using server IP address (for default VirtualHost) for your configured domain in Apache VirtualHost.

http://tutsmake.example.net/info.php

Conclusion

Through this tutorial, we have learned how to install and configure LAMP (Linux, Apache, MySQL, and PHP) on CentOS 8.

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