Hello, i'm new, had a dedicated OVH and bought 7 IP, after a few days I installed the IP, it has been several months and I've changed my dedicated, I'm hiring another page, I have also purchased 7 IP but when you install / configure I can not, I'm doing this (Excuse my English, i speak Spanish) : # 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 auto eth0 iface eth0 inet static address 82.223.30.45 netmask 255.255.255.0 network 82.223.30.0 broadcast 82.223.30.255 gateway 82.223.30.254 auto eth0:1 iface eth0:1 inet static address 82.223.31.42 netmask 255.255.255.0 network 82.223.31.0 broadcast 82.223.31.255 gateway 82.223.31.254 auto eth0:2 iface eth0:2 inet static address 82.223.31.228 netmask 255.255.255.255 network 82.223.31.0 broadcast 82.223.31.255 gateway 82.223.31.254 auto eth0:3 iface eth0:3 inet static address 82.223.31.75 netmask 255.255.255.1 network 82.223.31.1 broadcast 82.223.31.256 gateway 82.223.31.255 auto eth0:4 iface eth0:4 inet static address 82.223.31.17 netmask 255.255.255.2 network 82.223.31.2 broadcast 82.223.31.257 gateway 82.223.31.256 auto eth0:5 iface eth0:5 inet static address 82.223.31.111 netmask 255.255.255.258 network 82.223.31.3 broadcast 82.223.31.258 gateway 82.223.31.257 auto eth0:6 iface eth0:6 inet static address 82.223.31.116 netmask 255.255.255.3 network 82.223.31.4 broadcast 82.223.31.259 gateway 82.223.31.258 And then save the file /etc/network/interfaces and I put the following commands : sudo ifconfig eth0 82.223.31.45 netmask 255.255.255.0 sudo ifconfig eth0:1 82.223.31.42 netmask 255.255.255.0 sudo ifconfig eth0:2 82.223.31.228 netmask 255.255.255.0 sudo ifconfig eth0:3 82.223.31.75 netmask 255.255.255.0 sudo ifconfig eth0:4 82.223.31.17 netmask 255.255.255.0 sudo ifconfig eth0:5 82.223.31.111 netmask 255.255.255.0 sudo ifconfig eth0:6 82.223.31.116 netmask 255.255.255.0 I hope someone can help me please, I'm new to manage a dedicated commands to place the dedicated collapses, bone, unresponsive, my dedicated has the following characteristics: - vCores: 12 x 2,0 GHz Memoria RAM: 128 GB RAM Disco Duro: 500 GB Sistema operativo: Linux Ubuntu 14.04 (64 bit) Thanks!