What should I do if the network card service cannot be started under centos7?

Question:

An error is reported when executing the following command.

systemctl status Network.service

Error message:

Cause analysis:

It may be related to the NetworkManager package that comes with the network card. Try to close it.

(Recommended tutorial: centos tutorial)

Solution:

1. Close NetworkManager

systemctl stop NetworkManager

2. Disable NetworkManager from starting Self-start

systemctl disable NetworkManager

3. Restart the network card service

systemctl start network.service

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