https://www.digitalocean.com/community/tutorials/how-to-create-an-ssl-certificate-on-nginx-for-ubuntu-14-04
https://www.digitalocean.com/community/tutorials/how-to-optimize-nginx-configuration
https://www.digitalocean.com/community/tutorials/how-to-install-linux-nginx-mysql-php-lemp-stack-on-ubuntu-14-04 比较全面的设置
https://www.digitalocean.com/community/tutorials/how-to-install-nginx-on-ubuntu-14-04-lts
https://www.digitalocean.com/community/tutorials/how-to-install-laravel-with-nginx-on-an-ubuntu-12-04-lts-vps 提到fix_pathinfo
http://agentzh.blogspot.com/2011/03/how-nginx-location-if-works.html?view=magazine 关于nginx的if指令的实例解释，很多人其实一直在错误的使用
http://ashleyd.ws/posts/nginxconf-for-laravel 一个laravel nginx的配置