https://oracle-base.com/articles/linux/linux-network-configuration Once the IP's are decided change from to. OLE 6 - Go to desktop and right button the Network Icon, choose Edit the Connection OLE 7 - Use nmtui at the command line Check the values in the appribiate files in: /etc//sysconfig/networking/profiles/default/ Manually make the change to /etc/resolv.conf OR Restart network OR reboot