原文：http://blog.csdn.net/tjcyjd/article/details/50686505
1.查看yum的nginx信息
# yum info nginx
Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * epel: mirrors.yun-idc.com Excluding Packages in global exclude list Finished Installed Packages Name : nginx Arch : x86_64 Version : 0.8.55 Release : 6.el5 Size : 984 k Repo : installed Summary : Robust, small and high performance HTTP and reverse proxy server URL : http://nginx.net/ License : BSD Description: Nginx [engine x] is an HTTP(S) server, HTTP(S) reverse proxy and IMAP/POP3 : proxy server written by Igor Sysoev.
2.如果需要更换版本，先卸载
yum remove nginx
3.安装并启动nginx
# yum install nginx
# service nginx start
4.浏览器访问
http://192.168.0.168/
返回结果如下表示成功
Welcome to nginx on EPEL! This page is used to test the proper operation of the nginx HTTP server after it has been installed. If you can read this page, it means that the web server installed at this site is working properly. Website Administrator This is the default index.html page that is distributed with nginx on EPEL. It is located in /usr/share/nginx/html. You should now put your content in a location of your choice and edit the root configuration directive in the nginx configuration file /etc/nginx/nginx.conf. [ Powered by nginx ] [ Powered by Fedora EPEL ]