Tips: optional
Ubuntu 18.04 error: 0.0.0.0:53: bind: address already in use
- sudo service systemd-resolved stop
- sudo vi /etc/resolv.conf and change nameserver 127.0.0.53 becomes nameserver 127.0.0.1
Tips: optional
Ubuntu 18.04 error: 0.0.0.0:53: bind: address already in use