Chek Setting IP Address

root@budi-desktop:~# ifconfig 
eth0 Link encap:Ethernet HWaddr 02:39:ac:31:06:7d
inet addr:192.168.20.1Bcast:192.168.20.255 Mask:255.255.255.0
UP BROADCAST MULTICAST 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:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:43 Base address:0x2000