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I had recently installed ubuntu sever 12.04 on my Lenovo laptop. As a first task i was tying to connect to wifi through it. Since there is no GUI the task is to be done through terminal. I was following these steps to acomplish the task.

  1. sudo ifconfig wlan0 up
  2. sudo iwlist wlan0 scan : Scanning the list of wifi access points available
  3. sudo iwconfig wlan0 essid ACCES_POINT key s:LOGIN_KEY
  4. dhclient wlan0

But the above procedure gives error on the step 3. The error is: Error for wireless request "Set Encode" (8B2A) : SET failed on device eth1 ; Invalid argument.

I can't understand where i am getting wrong.

Thanx in advance.

p.s.: Currently posting from Ubuntu 12.04 desktop edition. :D

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migrated from stackoverflow.com Oct 14 '12 at 9:58

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Please provide me link to the already answered post like this.... thnx.. –  ravimalik20 Oct 14 '12 at 5:30
    
I agree with @KristopherMicinski, try superuser, it is off topic on so. –  manofstone Oct 14 '12 at 5:31
    
ok.... me changing the tag.. –  ravimalik20 Oct 14 '12 at 5:32
    
You are doing things wrong maybe you should try to do /etc/init.d/networking restart –  user218343 Apr 19 '13 at 17:21

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