using nginx there's a config file in my conf.d dir called blog.xxx.com , and my blog runs well. but when i add a virtual host file www.xxx.com in sites-* dir point to a .html file, i did it like the steps in this webpage: (https://www.digitalocean.com/community/articles/how-to-set-up-nginx-virtual-hosts-server-blocks-on-ubuntu-12-04-lts--3) i type www.xxx.com , the browser also show me my blog site . i deleted the default file both in conf.d and sites-* could you help me . i am a novice