cat /etc/hosts
212.129.13.61 127.0.0.1 spin-waves.com mail

#::1 localhost
#::1 localhost
#127.0.0.1 localhost.localdomain localhost
#::1 localhost
# Auto-generated hostname. Please do not remove this comment.
127.0.0.1 mail localhost localhost.localdomain
::1 localhost

Ubuntu 12.04.5 LTS \n \l

auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
    address 212.129.13.61
    netmask 255.255.255.255
    broadcast 212.129.13.61
     post-up route add 62.210.189.1 dev eth0
        post-up route add default gw 62.210.189.1
        post-down route del 62.210.189.1 dev eth0
        post-down route del default gw 62.210.189.1


 ifconfig -a
eth0      Link encap:Ethernet  HWaddr 52:54:00:00:06:89
          inet addr:212.129.13.61  Bcast:212.129.13.61  Mask:255.255.255.255
          inet6 addr: fe80::5054:ff:fe00:689/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:426664 errors:0 dropped:0 overruns:0 frame:0
          TX packets:64486 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:99961387 (99.9 MB)  TX bytes:5324310 (5.3 MB)

lo        Link encap:Local Loopback
          LOOPBACK  MTU:16436  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

venet0    Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
          BROADCAST POINTOPOINT NOARP  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)