1.先使用minimal安装系统 2.配置网络:dhcp或者静态ip,修改/etc/sysconfig/network-scripts/ifcfg-eth0文件:配置DNS,修改/etc/resolv.cf,增加nameserver 3.安装基本网络组件: yum install net-tools yum install wget 4.更改源,阿里源比较快: mkdir /etc/yum.repos.d/backup mv /etc/yum.repos.d/*.repo backup wget