1. Enter the /etc/sysconfig/network-scripts/ directory
cd /etc/sysconfig/network-scripts/
2. List the files in the directory
ls
3. Find the ifcfg-en XXXXX file and edit it, for example: vim ifcfg-enp4s0
4. Change ONBOOT=no to ONBOOT=yes
5. Restart the system
reboot
Recommended tutorial: centos tutorial
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