1.下載一個rpm包

wget http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm

2 .安裝這個rpm包

rpm -ivh nginx-release-centos-6-0.el6.ngx.noarch.rpm

3 開始正式安裝nginx

yum install nginx