使用ssh連接虛擬機服務時，連接異常，虛擬機系統centos 7，于是登錄虛擬機，查看服務ip，發現配置的靜態ip未生效。因此重啟網卡systemctl restart network，出現報錯，使用systemctl status network查看報錯的詳細信息，異常信息如下：

● network.service - LSB: Bring up/down networkingLoaded: loaded (/etc/rc.d/init.d/network; bad; vendor preset: disabled)Active: failed (Result: exit-code) since Mon 2025-06-23 02:54:56 PDT; 11s agoDocs: man:systemd-sysv-generator(8)Process: 5802 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=1/FAILURE)Jun 23 02:54:56 localhost.localdomain network[5802]: RTNETLINK answers: File exists
Jun 23 02:54:56 localhost.localdomain network[5802]: RTNETLINK answers: File exists
Jun 23 02:54:56 localhost.localdomain network[5802]: RTNETLINK answers: File exists
Jun 23 02:54:56 localhost.localdomain network[5802]: RTNETLINK answers: File exists
Jun 23 02:54:56 localhost.localdomain network[5802]: RTNETLINK answers: File exists
Jun 23 02:54:56 localhost.localdomain network[5802]: RTNETLINK answers: File exists
Jun 23 02:54:56 localhost.localdomain systemd[1]: network.service: control process exited, code=exited status=1
Jun 23 02:54:56 localhost.localdomain systemd[1]: Failed to start LSB: Bring up/down networking.
Jun 23 02:54:56 localhost.localdomain systemd[1]: Unit network.service entered failed state.
Jun 23 02:54:56 localhost.localdomain systemd[1]: network.service failed.
[root@localhost network-scripts]# systemctl restart network
Job for network.service failed because the control process exited with error code. See "systemctl status network.service" and "journalctl -xe" for details.

報錯圖片：

解決方法
1.停止和禁用NetworkManager

sudo systemctl stop NetworkManager
sudo systemctl disable NetworkManager
systemctl restart network

2.相關大數據學習demo地址:
https://github.com/carteryh/big-data