What should I do if my centos system cannot access the Internet?

1. Execute the following command

ls /etc/sysconfig/network-scripts

(Recommended tutorial: centos usage tutorial)

2. Continue to execute the following command

vi /etc/sysconfig/network-scripts/ifcfg-ens33

Then press the i key to enter the text insertion editing mode. Then press the i key to enter text insertion editing mode.

Focus on setting BOOTPROTO=dhcp and ONBOOT=yes.

After modifying, press the Esc key first, then enter a colon (:), then enter wq, save and exit.

3. Restart the network card

service network restart

Recommended related video tutorials: linux video tutorial

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