In this tutorial how to install WordPress 6.0 on Ubuntu 22.04 server. WordPress is an open source content management system written by php and mysql.

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My server info :
Server IP : 10.66.10.5
Disk : 25 GB
RAM: 1GB
vCPU : 2
Service : WordPress
Web : Apache
Database : Mariadb
Php : 7.4
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Step #01: Check Server version and ip address.

root@wordpress:~# lsb_release -a && ip r
root@wordpress:~#  apt-get update && apt-get upgrade -y
root@wordpress:~# apt-get install apache2 apache2-utils -y
root@wordpress:~# systemctl enable apache2
root@wordpress:~# systemctl start apache2
root@wordpress:~# apt install mariadb-server -y
root@wordpress:~# systemctl enable mariadb
root@wordpress:~# systemctl start mariadb

Reset mysql root password using below command.

root@wordpress:~# mysql_secure_installation

Step #02: Install php7.4.

root@wordpress:~# add-apt-repository -y ppa:ondrej/php
root@wordpress:~# apt update

Then run all required php extension as like below.

root@wordpress:~# apt install libapache2-mod-php7.4 php7.4-mbstring php7.4-cli php7.4-mysql php7.4-cgi php7.4-fpm php7.4-gd php7.4-imap php7.4-xml php7.4-intl php-dev libmcrypt-dev php-pear php-apcu unzip -y

Check your server php is working. Create one php file or open

root@wordpress:~# vi /var/www/html/tech.php

Insert below line into tech.php file.

<?php phpinfo(); ?> //PHP code goes here

Then browse your server ip address as like below.

http://10.66.10.5/tech.php

Step #03: Download latest WordPress using wget command.

root@wordpress:~# wget -c http://wordpress.org/latest.tar.gz
root@wordpress:~# tar -xzvf latest.tar.gz

Then move all file into html default root directory.

root@wordpress:~# rsync -av wordpress/* /var/www/html/
root@wordpress:~# chmod -R 755 /var/www/html/
root@wordpress:~# chown -R www-data:www-data /var/www/html/
root@wordpress:~# rm -rf /var/www/html/index.html

Step #04: Create WordPress Database and user permission.

root@wordpress:~# mysql -u root -p

Then type your mysql root user password.

create database wp_db;
grant all privileges on wp_db.* to 'wp_db_user'@'localhost' identified by 'wp_db_passw0rd';
flush privileges;
\q

Copy wp-config.php file from default name.

root@wordpress:~# mv /var/www/html/wp-config-sample.php /var/www/html/wp-config.php

Open this file and insert database name, user name and password.

root@wordpress:~# vi /var/www/html/wp-config.php

Inset into this file.

define('DB_NAME', 'wp_db');
define('DB_USER', 'wp_db_user');
define('DB_PASSWORD', 'wp_db_passw0rd');
define('DB_HOST', 'localhost');
define('DB_CHARSET', 'utf8');
define('DB_COLLATE', '');

Restart apache and mysql service.

root@wordpress:~# systemctl restart apache2.service
root@wordpress:~# systemctl restart mariadb.service

Step #05: Configure web config file.

Open default config file using any editor.

root@wordpress:~# vi /etc/apache2/sites-available/000-default.conf

Insert below all line and replace as your server ip address.

       ServerAdmin webmaster@localhost
       DocumentRoot /var/www/html
       ServerName server_domain_name_or_IP

       AllowOverride All

       ErrorLog ${APACHE_LOG_DIR}/error.log
       CustomLog ${APACHE_LOG_DIR}/access.log combined

Step #06: Setup permission and enable rewrite rule.

root@wordpress:~# a2enmod rewrite
root@wordpress:~# systemctl restart apache2
root@wordpress:~# touch /var/www/html/.htaccess
root@wordpress:~# chown :www-data /var/www/html/.htaccess
root@wordpress:~# chmod 664 /var/www/html/.htaccess
root@wordpress:~# service apache2 restart

Then browse your server ip address for web installation process.

http://10.66.10.5/

If you see any error so please see my YouTube video for more help.