1. Edit /etc/network/interfaces

This file describes the network interfaces available on your system

and how to activate them. For more information, see interfaces(5).

The loopback network interface

auto lo
iface lo inet loopback

The primary network interface

allow-hotplug eth0
iface eth0 inet static

 address 67.229.xxx.xxx netmask 255.255.255.248 network 67.229.xxx.xxx broadcast 67.229.xxx.xxx gateway 67.229.xxx.xxx # dns-* options are implemented by the resolvconf package, if installed dns-search hostxxxx.kryptservers.com

auto eth0:0
iface eth0:0 inet static
address 67.229.xxx.xxx
netmask 255.255.255.248

auto eth0:1
iface eth0:1 inet static
address 67.229.xxx.xxx
netmask 255.255.255.248

pre-up iptables-restore < /etc/iptables.up.rules

2. Restart
service networking start