configure wireless in linux

1. make sure wireless driver is installed.
(get ndiswrapper program to use windows driver in linux)

2. disable lan adapter to avoid conflict & enable wireless device
# ifconfig eth0 down
# ifconfig wlan0 up

3. scan for available wifi signal
# iwlist wlan0 scanning

4. connect to the wifi. example "timezone"
# iwconfig wlan0 essid 'timezone'

5. enter wep key (if required)
# iwconfig wlan0 key 112233445566

6. get ip from dhcp
# dhclient wlan0

7. test the connection
# ping www.google.com