sudo apt install unbound sudo tee -a /etc/unbound/unbound.conf << EOF > /dev/null server: interface: 127.0.0.1 interface: ::1 access-control: 127.0.0.0/8 allow access-control: ::1/128 allow # enable remote-control (useful when utilising monitoring tools such as netdata) remote-control: control-enable: yes EOF sudo systemctl restart unbound sudo apt install resolvconf sudo nano /etc/network/interfaces change nameservers to 127.