Supervisor
nginx and supervisor setup in Ubuntu
https://stackoverflow.com/questions/10716159/nginx-and-supervisor-setup-in-ubuntuinanzzz | Controlling Nginx with Supervisor
http://www.inanzzz.com/index.php/post/v1mg/controlling-nginx-with-supervisor
Gunicorn
Django Gunicorn and Nginx Setup | Django Web Development | IJC Digital
http://ijcdigital.com/blog/django-gunicorn-and-nginx-setup/