What should I do if the centos system connection is unreachable?

Solution:

1. Enter ifconfig to check the network card status

2. Edit the /etc/sysconfig/network-scripts/ifcfg-xxx file

Enter the following command:

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

(This ens33 is the name of the Ethernet card corresponding to the above picture, some may be ifcfg-eth0)

(recommended tutorial : centos usage tutorial)

Change ONBOOT=no to ONBOOT=yes

Press the Esc key, enter: wq, save and exit.

3. Restart the network

Enter the following command to restart the network

service network restart

4. Enter ifconfig again to view the network card. You should see inet information in the Ethernet configuration. This You can access the Internet now.

Recommended related video tutorials: linux video tutorial

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