1.先添加源：
1 nano /etc/yum.repos.d/nginx.repo
把下边这段代码添加到nginx.repo中去。
[nginx] name=nginx repo baseurl=http://nginx.org/packages/centos/7/$basearch/ gpgcheck=1 enabled=1
2.添加签名:
1 wget: http://nginx.org/keys/nginx_signing.key 2 sudo rpm --import nginx_signing.key
3.更新源：
1 sudo yum update
4.安装：
1 sudo yum install nginx
5.启动：
nginx #启动 # nginx -s quit/reload/reopen/stop # quit – Shut down gracefully # reload – Reload the configuration file # reopen – Reopen log files # stop – Shut down immediately (fast shutdown)
完成：
浏览器中输入服务器地址(本机:127.0.0.1)显示如下:
参考文献：
installing nginx open source: https://www.nginx.com/resources/admin-guide/installing-nginx-open-source/
nginx:linux packages: http://nginx.org/en/linux_packages.html
原文：http://www.cnblogs.com/asmer-stone/p/5095989.html