shell脚本如下：
wget http://nginx.org/download/nginx-1.6.2.tar.gz
tar -xzvf nginx-1.6.2.tar.gz
cd nginx-1.6.2
yum -y install gcc openssl-devel pcre-devel zlib-devel
./configure --user=root --group=root --prefix=/opt/nginx --with-http_realip_module --with-http_addition_module --with-http_gzip_static_module --with-http_stub_status_module --with-http_sub_module
make
make install