Ubuntu 14.04: https://www.digitalocean.com/community/tutorials/how-to-create-an-ssl-certificate-on-nginx-for-ubuntu-14-04 Ubuntu 12.04: https://www.digitalocean.com/community/tutorials/how-to-create-a-ssl-certificate-on-nginx-for-ubuntu-12-04
https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html