Problem:
The following error occurs when using yum to install software:
Solution:
1. Open the network card configuration file
#vim /etc/sysconfig/network-scripts/ifcfg-ens33
2. Then enter the editing mode
3. Find the ONBOOT=no configuration
4. Then change no to yes
5. Restart the network service
#netstat network restart
Recommended related tutorials: centos tutorial
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