Multiple SSL hosts on one ip address in Nginx

Reference : https://www.digitalocean.com/community/tutorials/how-to-set-up-multiple-ssl-certificates-on-one-ip-with-nginx-on-ubuntu-12-04 Make sure that SNI ( Server Name Indication ) is enabled on the server ( nginx -V )
After displaying the nginx version, you should see the line : TLS SNI support enabled
Location of virtual hosts configuration : sudo nano /etc/nginx/sites-available/example.com

To be continued