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Looking for CentOS help? Visit our CentOS 7 help and tutorials page.

In this tutorial, we will show you how to install Varnish cache and phpMyAdmin on a CentOS 7 VPS with Nginx, MariaDB and PHP-FPM. Varnish cache is a web application accelerator created for speeding up dynamic web sites. phpMyAdmin is an open-source web application, created to handle the administration of MySQL databases through a web browser. Use the following article to install Nginx, MariaDB and PHP-FPM on a CentOS 7 VPS.

Then, it is time to install Varnish and phpMyAdmin.

Enable EPEL Repository:

Create a self-signed SSL Certificate so you can access phpMyAdmin using SSL:

Configure Varnish to run on port 80 while Nginx on port 8080 and pass the SSL requests straight through to Nginx web server without having to pass it through Varnish. Modify the main Nginx configuration file:

Open ‘/etc/php-fpm.d/www.conf’ and add/modify the following lines:

Edit the ‘/etc/varnish/default.vcl’ file and add/modify the following lines:

Edit the ‘/etc/varnish/varnish.params’ file:

Make sure to change ‘your_IP’ with your actual server IP address.
Enable varnish service to start automatically on server boot using the following command:

Edit the ‘/etc/phpMyAdmin/config.inc.php’ phpMyAdmin configuration file and modify the following line:

Edit ‘php.ini’ and change the ‘session.save_path’ default value to ‘/var/lib/php/session’:

Change the ownership of ‘/var/lib/php/session’ directory on your CentOS 7 VPS:

Restart php-fpm, nginx and varnish services:

To verify that the Varnish cache is working, check the HTTP response headers:

Open https://your_IP/phpMyAdmin/index.php , enter your MariaDB username and password, and start managing your MariaDB databases.
That’s All Enjoy.

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