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I am trying to use my D-Link wireless dongle (DWA-140) to connect to my wireless network. After some searching I found out that I needed the RT2870 wireless lan Linux driver. The installation of this driver succeeded without any problems and after that I could use my hardware, because:

iwconfig
 lo        no wireless extensions.

 eth0      no wireless extensions.

 pan0      no wireless extensions.

 ra0       Ralink STA  ESSID:""  Nickname:"RT2870STA"
           Mode:Auto  Frequency=2.412 GHz  Bit Rate=1 Mb/s   
           RTS thr:off   Fragment thr:off
           Link Quality=10/100  Signal level:0 dBm  Noise level:0 dBm
           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
           Tx excessive retries:0  Invalid misc:0   Missed beacon:0

And when I scanned for the available networks I got:

iwlist ra0 scan
ra0       Scan completed :
          Cell 01 - Address: 00:22:3F:91:15:89
                     Protocol:802.11b/g/n
                     ESSID:"tackwlan"
                     Mode:Managed
                     Frequency:2.412 GHz (Channel 1)
                     Quality:50/100  Signal level:-70 dBm  Noise level:-92 dBm
                     Encryption key:on
                     Bit Rates:54 Mb/s
                     IE: Unknown: DD0E0050F204104A0001101044000102

After submitting the command

sudo iwconfig ra0 essid "networkname" key "networkkey"

I assumed everything should be OK, but I still have access to the internet (I made sure that the name and key were correct). When I open NetworkManager, it only shows the wired connections (which are not available).

EDIT:

lsusb
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 07d1:3c09 D-Link System DWA-140 802.11n Adapter [ralink rt2870]
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

lsb_release -d Description: Ubuntu 8.10

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closed as off-topic by gertvdijk, Radu Rădeanu, Mitch, Kevin Bowen, Eric Carvalho Sep 1 '13 at 12:33

This question appears to be off-topic. The users who voted to close gave this specific reason:

If this question can be reworded to fit the rules in the help center, please edit the question.

    
Please edit your question to add the results of these terminal commands: lsusb and also: lsb_release -d –  chili555 Aug 31 '13 at 21:52
    
@chili555 thanks for the response, see updated question –  Consec Aug 31 '13 at 23:20
    
Ubuntu 8.10 is very old. Please upgrade to a supported release. –  gertvdijk Aug 31 '13 at 23:37
    
Yes, please update. There has been much progress in drivers in the last five years. –  chili555 Sep 1 '13 at 0:12