How To Install WordPress on CentOS 8

Install WordPress on CentOS 8

In this tutorial, we will show you how to install WordPress on CentOS 8. For those of you who didn’t know, WordPress is a free and open-source CMS based on the PHP programming language, with MySQL or MariaDB being used for the backend where the data is stored. WordPress provides a lot of features and these features can also be extended by using a wide variety of available plugins for it

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you through the step-by-step installation of WordPress on a CentOS 8.

Install WordPress on CentOS 8

Step 1. First, let’s start by ensuring your system is up-to-date.

sudo dnf clean all
sudo dnf update

Step 2. Installing LAMP Stack.

If you don’t have a LAMP stack already installed on your server, you can follow our guide here.

Step 3. Installing WordPress on CentOS 8.

The latest release of WordPress can be downloaded from their official website. At the moment of writing this article it is version 5.5.1:

wget https://wordpress.org/latest.zip

Unpack the WordPress archive to the document root directory on your server:

unzip -q latest.zip -d /var/www/html/
cd wordpress
cp -a * ..

We will need to change some folders permissions:

chown -R apache:apache /var/www/html

Step 4. Configuring MariaDB for WordPress.

By default, MariaDB is not hardened. You can secure MariaDB using the mysql_secure_installation script. You should read and below each step carefully which will set a root password, remove anonymous users, disallow remote root login, and remove the test database and access to secure MariaDB.

mysql_secure_installation

Configure it like this:

- Set root password? [Y/n] y
- Remove anonymous users? [Y/n] y
- Disallow root login remotely? [Y/n] y
- Remove test database and access to it? [Y/n] y
- Reload privilege tables now? [Y/n] y

Next, we will need to log in to the MariaDB console and create a database for WordPress. Run the following command:

mysql -u root -p

This will prompt you for a password, so enter your MariaDB root password and hit Enter. Once you are logged in to your database server you need to create a database for WordPress installation:

MariaDB [(none)]> CREATE DATABASE wordpress;
MariaDB [(none)]> CREATE USER 'wpuser'@'localhost' IDENTIFIED BY 'Your-Passwd';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON wordpress.* TO 'wpuser'@'localhost';
MariaDB [(none)]> FLUSH PRIVILEGES
MariaDB [(none)]> exit

Step 5. Configuring WordPress

In this step we will configure the main configuration file of WordPress, where we need to configure its basic parameters so that it can be connected with the database and user:

mv wp-config-sample.php wp-config.php

Now open it using any of your favorite editors, to make any changes in the WordPress configuration file:

nano wp-config.php

Here are the values that we need to update according to our previous database and user’s setup:

// ** MySQL settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
define('DB_NAME', 'wordpress');

/** MySQL database username */
define('DB_USER', 'wpuser');

/** MySQL database password */
define('DB_PASSWORD', 'your_password');

/** MySQL hostname */
define('DB_HOST', 'localhost');

Step 6. Configuring Apache for WordPress.

We will create an Apache virtual host for your WordPress website. First, create ‘/etc/apache/conf.d/vhosts.conf’ file with using a text editor of your choice:

nano /etc/apache/conf.d/vhosts.conf
IncludeOptional vhosts.d/*.conf

Next, create the virtual host:

mkdir /etc/apache/vhosts.d/
nano /etc/apache/vhosts.d/yourdomain.com.conf

Add the following lines:

<VirtualHost YOUR_SERVER_IP:80>
   ServerAdmin [email protected]
   DocumentRoot "/var/www/html/"
   ServerName yourdomain.com
   ServerAlias www.yourdomain.com
   ErrorLog "/var/log/httpd/yourdomain.com-error_log"
   CustomLog "/var/log/httpd/yourdomain.com-access_log" combined

<Directory "/var/www/html/">
   DirectoryIndex index.html index.php
   Options FollowSymLinks
   AllowOverride All
   Require all granted
</Directory>
</VirtualHost>

Save and close the file. Restart the Apache service for the changes to take effects:

systemctl restart httpd.service
systemctl enable httpd.service

Step 7. Installing SSL for Apache on CentOS 8.

Run these commands on the command line on the machine to install Certbot:

wget https://dl.eff.org/certbot-auto
sudo mv certbot-auto /usr/local/bin/certbot-auto
sudo chown root /usr/local/bin/certbot-auto
sudo chmod 0755 /usr/local/bin/certbot-auto

Then, run this command to get a certificate and have Certbot edit your Apache configuration automatically:

sudo /usr/local/bin/certbot-auto --apache

Step 8. Configure Firewall

Now, we will let HTTP and HTTPS ports through our firewall (on the permanent, zone, and add values there are two minuses before them):

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

Step 9. Accessing the WordPress Web Interface.

Once all steps above are done, the installation from the command line is completed. Open your favorite browser and navigate to https://your-domain.com or https://server-ip-address/ and complete the required steps to finish the installation.

Congratulations! You have successfully installed WordPress. Thanks for using this tutorial for installing WordPress CMS (Content Management Systems) on your CentOS 8 system. For additional help or useful information, we recommend you to check the official WordPress website.

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