john@debian:~$ sudo ifconfig -a
[sudo] password for john:
eth0      Link encap:Ethernet  HWaddr 00:18:f3:ae:21:42
          inet addr:192.168.0.104  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::218:f3ff:feae:2142/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:4219561 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2239097 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:753326215 (718.4 MiB)  TX bytes:535338590 (510.5 MiB)
          Interrupt:21 Base address:0x6000

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  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)

john@debian:~$