linux下重启网卡使用命令 ： service network restart 时报错：
1[root@slave01 hadoop]# service network restart 2Starting network (via systemctl): Job for network.service failed because the control process exited with error code. See "systemctl status network.service" and "journalctl -xe" for details. 3 [失败] 4[root@slave01 hadoop]# journalctl -xe 510月 09 17:39:20 slave01 network[12763]: 正在打开环回接口： [ 确定 ] 610月 09 17:39:20 slave01 NetworkManager[730]: <info> [1539077960.4630] audit: op="conn 710月 09 17:39:20 slave01 network[12763]: 正在打开接口 ens33： 错误：激活连接失败：No su 810月 09 17:39:20 slave01 network[12763]: [失败] 910月 09 17:39:20 slave01 network[12763]: RTNETLINK answers: File exists 1010月 09 17:39:20 slave01 network[12763]: RTNETLINK answers: File exists 1110月 09 17:39:20 slave01 network[12763]: RTNETLINK answers: File exists 1210月 09 17:39:20 slave01 network[12763]: RTNETLINK answers: File exists 1310月 09 17:39:20 slave01 network[12763]: RTNETLINK answers: File exists 1410月 09 17:39:20 slave01 network[12763]: RTNETLINK answers: File exists 1510月 09 17:39:20 slave01 network[12763]: RTNETLINK answers: File exists 1610月 09 17:39:20 slave01 network[12763]: RTNETLINK answers: File exists 1710月 09 17:39:20 slave01 network[12763]: RTNETLINK answers: File exists 1810月 09 17:39:20 slave01 systemd[1]: network.service: control process exited, code=exit 1910月 09 17:39:20 slave01 systemd[1]: Failed to start LSB: Bring up/down networking. 20-- Subject: Unit network.service has failed 21-- Defined-By: systemd 22-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel 23-- 24-- Unit network.service has failed. 25-- 26-- The result is failed. 2710月 09 17:39:20 slave01 systemd[1]: Unit network.service entered failed state. 2810月 09 17:39:20 slave01 systemd[1]: network.service failed. 2910月 09 17:39:20 slave01 polkitd[725]: Unregistered Authentication Agent for unix-proce
解决如下
1执行如下命令： 2 3stop NetworkManager 4systemctl disable NetworkManager 5 6然后：重启网卡： 7systemctl restart network