Ubuntu Enable Network Manager
sudo systemctl unmask NetworkManager
sudo systemctl enable NetworkManager
sudo systemctl start NetworkManager
Depressed Dragonfly
sudo systemctl unmask NetworkManager
sudo systemctl enable NetworkManager
sudo systemctl start NetworkManagersudo systemctl disable systemd-networkd.service
sudo systemctl mask systemd-networkd.service
sudo systemctl stop systemd-networkd.servicesudo netplan generatesudo apt-get install network-managersudo systemctl unmask systemd-networkd.service
sudo systemctl enable systemd-networkd.service
sudo systemctl start systemd-networkd.servicesudo systemctl stop NetworkManager
sudo systemctl disable NetworkManager
sudo systemctl mask NetworkManager