Rackspace WordPress Nginx php5 fpm

. One can combine the tutorials (like adding PHPMyAdmin, Webmin etc. extra tools, however without a loadbalancer in front, without multi server setup, it is not recommended to install these tools on production environment).We have used a 2 GB server instance as we will get 2 virtual cores and Nginx can do more better with higher core counts.
https://thecustomizewindows.com/2014/08/wordpress-nginx-php5-fpm-installation-rackspace-cloud/