1. Edit interfaces sudo mv /etc/network/interfaces /etc/network/interfaces.backup sudo nano /etc/network/interfaces source /etc/network/interfaces.d/* # Network is managed by Network manager auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.1.110 netmask 255.255.255.0 gateway 192.168.1.1 dns-nameservers 8.8.8.8 2. Dsable and stop Network manager sudo systemctl stop NetworkManager sudo systemctl disable NetworkManager