ip addr
vi /etc/sysconfig/network-scripts/ifcfg-ens33
yum install -y net-tools
详情链接 https://blog.csdn.net/hellboy0621/article/details/80392273
CentOS7最小化安装解决不能使用ifconfig命令
原文:https://www.cnblogs.com/my-program-life/p/12056976.html