$sudo lspci |grep Wireless
$sudo lspci |grep Network
To discover the available wireless networks
$sudo iwlist wlan0 scan
To ask the wireless interface to associate with an identified access point
$sudo iwconfig wlan0 essid
If there is an encryption to supply the secret key [Assume WEP]
$sudo iwconfig wlan0 key
Now to ask for an ip address
$sudo dhclient wlan0
Or else to manualy configure the interface
$vi /etc/network/interfeces
The configuration for wireless interface with a dynamic IP address File: /etc/network/interfeces
----------
----------
auto wlan0
iface wlan0 inet dhcp
wpa-ssid
wpa-psk
The configuration for wireless interface with a static IP address File: /etc/network/interfeces
----------
----------
auto wlan0
iface wlan0 inet static
address 192.168.2.185
netmask 255.255.255.0
gateway 192.168.2.1
network 192.168.2.0
broadcast 192.168.2.255
dns-nameserver 8.8.8.8
wpa-ssid
wpa-psk
Note: Auto tag is to automatically start and connect to the wireless network.
To stop and start the wireless interface
$sudo ifdown wlan0
$sudo ifup -v wlan0
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