Keep creating
listen 80 default_server;
listen [::]:80 default_server ipv6only=on;
on every new virtual server
cause nginx shutdown
Applying Nginx configuration … … configuration is invalid : nginx:
[emerg] duplicate listen options for
[2600:3c00::f03c:91ff:fe08:b171]:80 in
/etc/nginx/sites-enabled/testingg.com:4 nginx: configuration file
/etc/nginx/nginx.conf test failed.
you need to change it on virtual min default template so it will not do like this
Can you please tell me how to change virtual min default template ?
I am looking on this for last 24 hours no luck 
There is a server template for Apache website, i removed Apache and using Nginx
yes its under server template under virtual min
see this http://postimg.org/image/slm48ohgl/ there is no option for Nginx