Warning: The dashboard cannot be run on NGINX right now. It requires apache. I will work on a NGINX compatible version soon. Stay tuned!
First, you need to install LAMP (Apache, MySQL, PHP). If you have a control panel to manage your websites like Webmin, Virtualmin, CPanel, or if Apache, MySQL and PHP are already installed and running, then you can skip this step. But you need to be sure that all dependencies on line 13 are installed