What should I do if centos cannot connect to the Internet?

1. Modify the configuration file

Use vi editor to modify /etc/sysconfig/network-scripts/ifcfg-eth0

Enter /etc/ sysconfig/network-scripts directory

cd /etc/sysconfig/network-scripts

vi ifcfg-ens33 Your file name may not be this, but just look for the one with ifcfg-ens in front.

Change ONBOOT=no in the file to ONBOOT=yes, then save and exit (don’t forget to save!!)

After modification, it will look as follows:

2. Restart the network service

service network restart

Recommended related tutorials: centos tutorial

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