How to solve the problem that the yum command cannot be used under centos7

Problem:

yum install xxx error is reported as follows:

Cause:

Network card Failed to boot with the operating system.

(Recommended tutorial: centos tutorial)

Solution:

1. Open the file directory:

cd /etc/sysconfig/network-scripts

2. Find File: ifcfg-ens33

3. Find ONBOOT=no and change it to yes.

As shown in the figure:

4. Finally, restart the client.

Recommended related video tutorials: linux video tutorial

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