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I bought cheap wifi dongle of ebay.

I want to hook my server to wifi network sometimes...

So, I do lsusb and I see this:

Bus 001 Device 002: ID 0bda:8176 Realtek Semiconductor Corp. RTL8188CUS 802.11n WLAN

I configured /etc/network/interfaces

# WIFI network
auto wlan0
iface wlan0 inet dhcp
    wpa-driver wext
    wpa-ssid XXXXXXX
    wpa-ap-scan 2
    wpa-proto RSN
    wpa-pairwise CCMP
    wpa-group CCMP
    wpa-key-mgmt WPA-PSK
    wpa-psk XXXXXX

and I did:

sudo ifconfig wlan0 up

But it seems not to work... as I don't see new Ip on router arp.

ifconfig gives:

wlan0     Link encap:Ethernet  HWaddr XX  
          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)
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Wow =) I have exactly the same one. Works fine, however, the signal reception is weak. Try installing aircrack-ng, then do sudo aircrack-ng start wlan0 => you should have a monitor mon0. Then run sudo airodump -i mon0 to see which networks it actually sees. –  modosansreves Nov 20 '12 at 13:04
    
This question appears to be abandoned and unanswered. If you solved it, please post an answer explaining how it was solved (answering your own questions is not merely permitted, but encouraged when there is no other answer that does the job). If the question no longer applies you may voluntarily delete/close it. –  Eric Carvalho Jun 17 '13 at 13:11
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