[Nginx]
To add NGINX yum repository, create a file named /etc/yum.repos.d/nginx.repo and paste one of the configurations below:
[nginx] name=nginx repo baseurl=http://nginx.org/packages/centos/$releasever/$basearch/ gpgcheck=0 enabled=1
# yum update
# yum install nginx
安装完成后，在浏览器中测试，成功打开欢迎页
原文：http://www.cnblogs.com/mysic/p/5958733.html