ip adr 查看ip
查看报错详细信息
journalctl -xe
查看网络故障命令
cat /var/log/messages |grep network
报错现象
Error: Connection activation failed: The connection is not for this device.
解决方法
[root@niejicai]# chkconfig NetworkManager off
[root@niejicai]# chkconfig network on
[root@niejicai]# service NetworkManager stop
[root@niejicai]# service network start