1.将nginx压缩文件放入/usr/local/nginx下
（nginx需要新建 mkdir nginx）
2.将其解压 tar -zxvf nginx-1.10.0.tar.gz
3.编译并安装依赖包：
yum install gcc-c++
yum install -y pcre pcre-devel
yum install -y zlib zlib-devel
yum install openssl openssl-devel
4.进入/usr/local/nginx/nginx-1.10.0/
cd /usr/local/nginx/nginx-1.10.0/
5.配置 ./configure
6.安装 make && make install
7.开放端口号 iptables -I INPUT -p tcp --dport 80 -j ACCEPT
8.保存设置 service iptables save
9.启动 /usr/local/nginx/sbin/nginx
重启 /usr/local/nginx/sbin/nginx -s reload
停止 /usr/local/nginx/sbin/nginx -s stop