Where is the Nginx configuration file located?

The default virtual host configuration file is located in the file: /etc/nginx/sites-enabled/default

Where is the PHP configuration file located?

PHP-FPM configuration files are located at: /etc/php/8.1/fpm PHP interpreter configuration file: /etc/php/8.1/fpm/php.ini

How do I create a separate MySQL user and access?

Connect to MySQL with sudo mysql -uroot After that, create a new user: CREATE USER 'user-name'@'localhost' IDENTIFIED BY 'password' Give the new user all access rights: GRANT ALL PRIVILEGES ON * . * TO 'user-name'@'localhost' For the changes to take effect, run the command: FLUSH PRIVILEGES/

How do I restart Nginx / MySQL / PHP-FPM?

Use the commands to restart services: Nginx: systemctl restart nginx MySQL: systemctl restart mysql.service PHP-FPM: systemctl restart php8.1-fpm.service