root@debian:~# cat /etc/network/interfaces
## This file describes the network interfaces available on your system
## and how to activate them. For more information, see interfaces(5).
#
#source /etc/network/interfaces.d/*
#
## The loopback network interface
#auto lo
#iface lo inet loopback
#
## The primary network interface
#allow-hotplug ens33
#iface ens33 inet dhcp
############static##################
auto ens33
iface ens33 inet static
address 192.168.10.226
netmask 255.255.255.0
gateway 192.168.10.1
dns-nameservers 223.5.5.5 223.6.6.6