Cat

root@IS-72100:~# 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
auto eno1
iface eno1 inet static
        address 78.129.237.22
        netmask 255.255.255.0
        network 78.129.237.0
        broadcast 78.129.237.255
        gateway 78.129.237.1
        # dns-* options are implemented by the resolvconf package, if installed
        dns-nameservers 87.117.198.200 87.117.237.100