How can one effectively research and troubleshoot issues related to setting up a web server with nginx, PHP, and MySQL?

Issue: When setting up a web server with nginx, PHP, and MySQL, one common issue is configuring the PHP-FPM service to work correctly with nginx. To troubleshoot this issue, ensure that the PHP-FPM service is running and that the nginx configuration file is correctly set up to communicate with PHP-FPM. PHP-FPM configuration snippet: ```bash sudo systemctl start php-fpm sudo systemctl enable php-fpm ``` Make sure to restart nginx after making any changes to the PHP-FPM configuration.