- ifconfig - 如果没有,则yum install net-tools 
- ip addr 
- vi /etc/sysconfig/network-scripts/ifcfg-xx - onboot 改为yes 
- vi /etc/resolv.conf(添加nameserver 114.114.114.114) 
ifconfig
如果没有,则yum install net-tools
ip addr
vi /etc/sysconfig/network-scripts/ifcfg-xx
onboot 改为yes
vi /etc/resolv.conf(添加nameserver 114.114.114.114)