You can also click the Configure… button in the above window bottom right corner to customize the network settings, when you click the Configure… button, it will popup the Editing enp0s3 window.When you click above NETWORK & HOST NAME item, it will display the NETWORK & HOST NAME detail configuration window, select the Ethernet( enp0s3) in the left list, turn on the toggle button behind the Ethernet ( enp0s3 ) on the right side, then you can see the Ethernet status is Connected, and you can see related IP address, DNS server IP address below it.In the INSTALLATION SUMMARY window, NETWORK & HOST NAME section, you can see a smaller text Not connected under NETWORK & HOST NAME, click it to edit network settings.When installing CentOS, in the Name and operation system window, you should select Red Hat ( 64-bit ) in the Version drop-down list.The reason for this error is because I do not turn on the ethernet network card when installing CentOS, so I should reinstall CentOS and turn on the ethernet network card follow the below steps.Fix CentOS 7 Network Is Unreachable & Could Not Retrieve MirrorList Error Steps. cat /etc/nfĬat /etc/sysconfig/network-scripts/ifcfg-enp0s3Ĭat /etc/sysconfig/network-scripts/route-enp0s3 1.
When I run the below command to see the network configuration, it all shows incorrect information. When I run the command ping it shows the network is unreachable error.