i made web server on vagrant with centos7,nginx, php-fpm.
and i did
mv /usr/share/nginx/html /usr/share/nginx/html_bk
but browser still dispaly
"Welcome to nginx on Fedora!"
then i added directive on nginx.conf
autoindex off;
browser keeps dispalyng "Welcome to nginx on Fedora!".

i want to understand how nginx display this page.
hope someone would reply.
thanks in advance.