voici le result de mon cat
` 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 enp6s0
iface enp6s0 inet dhcp
This is an autoconfigured IPv6 interface
iface enp6s0 inet6 auto
auto lo:1
iface lo:1 inet static
address 192.168.0.1
netmask 255.255.255.255
root@superboki-srv:/#
`