systemd-resolved – remove uninstall disable – Ubuntu

Luego de esto, podrá operarse la configuración de DNS mediante el clásico /etc/resolvconf

Tomado de: https://askubuntu.com/questions/907246/how-to-disable-systemd-resolved-in-ubuntu y https://gist.github.com/zoilomora/f7d264cefbb589f3f1b1fc2cea2c844c

This method works on the Ubuntu releases 17.04 (Zesty), 17.10 (Artful), 18.04 (Bionic), 18.10 (Cosmic), 19.04 (Disco) and 20.04 (Focal):

DISABLE

systemctl disable systemd-resolved

STOP

systemctl stop systemd-resolved

Delete the symlink /etc/resolv.conf

rm /etc/resolv.conf

Luego de eso, crear un nuevo archivo /etc/resolv.conf y parametrizarlo con nuestro servidor DNS favorito

nameserver 1.1.1.1
nameserver 8.8.8.8

Tomado de: https://askubuntu.com/questions/907246/how-to-disable-systemd-resolved-in-ubuntu y https://gist.github.com/zoilomora/f7d264cefbb589f3f1b1fc2cea2c844c