sudo su
vim /etc/network/interfaces
! WPISUJEMY TO W PLIKU !

# The primary network interface
auto eth0
iface eth0 inet static
address 192.168.0.62
netmask 255.255.255.0
gateway 192.168.0.1
dns-nameservers 192.168.0.62 192.168.0.1 8.8.8.8
dns-search home.local work.local

#2nd network interface
auto eth0:1
iface eth0:1 inet static
address 192.168.0.63
netmask 255.255.255.0
! wq
ifdown eth0
ifup eth0
ifup eth0:1