ubuntu or centos 网卡无法启动

[root@seasoned-bro:/home/daeh0f]# /etc/init.d/network restart
Restarting network (via systemctl):  Job for network.service failed. See "systemctl status network.service" and "journalctl -xe" for details.
                                                           [FAILED]
[root@seasoned-bro:/home/daeh0f]# systemctl status network.service

network.service Loaded:not-found(reason:no such fil ot directory active: inactive(dead)

解决方法就是：重启服务器。