問題描述：

虛擬機中的eth33網(wǎng)卡沒有啟動，執(zhí)行systemctl status network.service啟動報錯。

報錯信息如下：

[root@zeppelin network-scripts]# systemctl status network.service ● network.service - LSB: Bring up/down networking    Loaded: loaded (/etc/rc.d/init.d/network; bad; vendor preset: disabled)    Active: failed (Result: exit-code) since Fri 2019-06-21 03:22:10 PDT; 27s ago      Docs: man:systemd-sysv-generator(8)   Process: 5948 ExecStop=/etc/rc.d/init.d/network stop (code=exited, status=0/SUCCESS)   Process: 6074 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=1/FAILURE) Jun 21 03:22:09 zeppelin.zetyun.com systemd[1]: Starting LSB: Bring up/down networking... Jun 21 03:22:10 zeppelin.zetyun.com network[6074]: Bringing up loopback interface:  [  OK  ] Jun 21 03:22:10 zeppelin.zetyun.com network[6074]: Bringing up interface ens33:  Error: Connection activation failed: No suitable device found for this connection. Jun 21 03:22:10 zeppelin.zetyun.com network[6074]: [FAILED] Jun 21 03:22:10 zeppelin.zetyun.com systemd[1]: network.service: control process exited, code=exited status=1 Jun 21 03:22:10 zeppelin.zetyun.com systemd[1]: Failed to start LSB: Bring up/down networking. Jun 21 03:22:10 zeppelin.zetyun.com systemd[1]: Unit network.service entered failed state. Jun 21 03:22:10 zeppelin.zetyun.com systemd[1]: network.service failed.

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解決辦法：

與系統(tǒng)自帶的NetworkManager這個管理套件有關(guān)系，關(guān)閉并重啟網(wǎng)絡(luò)服務(wù)即可。

關(guān)閉：

systemctl stop NetworkManager systemctl disable NetworkManager

重新啟動網(wǎng)絡(luò)：

systemctl start network.service

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