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在 CentOS 7/RHEL 7 下关闭 NetworkManager 服务导致网卡启动失败，在 Disabling NetworkManager on RHEL 7 找到相同问题并解决。 一、关闭并移除开机启动 NetworkManagersystemctl stop NetworkManager systemctl disable NetworkManager 二、启动 network 错误输出如下:# systemctl restart network Job for network.service failed. See 'systemctl status network.service' and 'journalctl -xn' for details. # systemctl status network network.service - LSB: Bring up/down networking Loaded: loaded (/etc/rc.d/init.d/network) Active: failed (Result: exit-code) since Tue 2015-01-20 20:23:34 CST; 15s ago Process: 1659 ExecStop=/etc/rc.d/init.d/network stop (code=exited, status=0/SUCCESS) Process: 2588 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=1/FAILURE) Jan 20 20:23:34 docker1 network[2588]: RTNETLINK answers: File exists Jan 20 20:23:34 docker1 network[2588]: RTNETLINK answers: File exists Jan 20 20:23:34 docker1 network[2588]: RTNETLINK answers: File exists Jan 20 20:23:34 docker1 network[2588]: RTNETLINK answers: File exists Jan 20 20:23:34 docker1 network[2588]: RTNETLINK answers: File exists Jan 20 20:23:34 docker1 network[2588]: RTNETLINK answers: File exists Jan 20 20:23:34 docker1 network[2588]: RTNETLINK answers: File exists Jan 20 20:23:34 docker1 systemd[1]: network.service: control process exited, code=exited status=1 Jan 20 20:23:34 docker1 systemd[1]: Failed to start LSB: Bring up/down networking. Jan 20 20:23:34 docker1 systemd[1]: Unit network.service entered failed state. 三、解决方法对应网卡配置文件添加 MAC 地址行，即： # /etc/sysconfig/network-scripts/ifcfg-eth0 ... ... HWADDR=00:xx:xx:xx:xx:xx ... ... (责任编辑：IT) |