如果关机挂起后出现 ping 不通baidu.com
ping: baidu.com:Name orservice not known
1.执行 systemctl restart network.service出现以下错误:
Restarting network (via systemctl): Job for network.service failed. See 'systemctl status network.service' and 'journalctl -xn' for details.
解决:
先关闭网络
systemctl stop NetworkManager
然后重启网络：
systemctl start network.service