This guy's script fixed mine:
deHakkelaarSuperuser
1
Good that you checked resolve.conf. Using sed does not show if the search string is found. A visual check is the best.
sudo sed -i '/nameserver 127.0.0.1/,${s//nameserver 8.8.8.8/;b};$q1' /etc/resolv.conf && echo "Changed nameserver successfully." || echo "Changing nameserver failed."
