@Rick: Purge and reinstall both resolvconf and network-manager and see if you then have /etc/resolv.conf (dynamically generated by resolvconf). If the default settings don't work, comment out "dns=dnsmasq" in /etc/NetworkManager/NetworkManager.conf and "sudo restart network-manager".
@Rick: Purge and reinstall both resolvconf and network-manager and see if you then have /etc/resolv.conf (dynamically generated by resolvconf). If the default settings don't work, comment out "dns=dnsmasq" in /etc/NetworkMan ager/NetworkMan ager.conf and "sudo restart network-manager".