Failed to execute yum command under centos7

Problem:

When executing the yum command, an error message appears as shown in the figure:

Solution:

Enter the configuration file directory

cd /etc/sysconfig/network-scripts

View the directory file

ls

Find the network card configuration file "ifcfg-ens33" and edit this file

vi ifcfg-ens33

Enter i to switch to insert mode, find the ONBOOT item, and change its parameter from NO to YES esc:wq Save changes and exit.

Restart the system

reboot

Recommended related tutorials: centos tutorial

The above is the detailed content of Failed to execute yum command under centos7. For more information, please follow other related articles on the PHP Chinese website!