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Linux - Laptop and Netbook Having a problem installing or configuring Linux on your laptop? Need help running Linux on your netbook? This forum is for you. This forum is for any topics relating to Linux and either traditional laptops or netbooks (such as the Asus EEE PC, Everex CloudBook or MSI Wind).

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Old 06-30-2009, 10:09 PM   #1
eaivision
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Getting error while "iwlist scan" on Ubuntu.


Hello everyone !

I am trying to configure wirless network on Ubuntu but getting the following error when do "iwlist scan":

lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.


pan0 Interface doesn't support scanning.



Pls advise !
 
Old 07-01-2009, 05:30 AM   #2
bhaslinux
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is this is because the wireless interface is not detected ?
Can you try the command
iwconfig
as root. This will show the wireless interfaces.
Also
please give us the output of lspci
 
Old 07-01-2009, 07:04 AM   #3
eaivision
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Thanks Bhaskar !

iwconfig gives the following error:

lo no wireless extension

eth0 no wireless extension

pan0 no wireless extension


lspci gives the following:

00:00:0 Host bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host Bridge (rev 03)

00:01:0 PCI bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX AGP Bridge (rev 03)

00:07:0 ISA bridge: Intel Corporation 82371A/EB/MB PIIX4 ISA (rev 02)

00:07:1 IDE interface: Intel Corporation 82371A/EB/MB PIIX4 IDE (rev 01)

00:07:2 USB Controller: Intel Corporation 82371A/EB/MB PIIX4 USB (rev 01)

00:07:3 Bridge: Intel Corporation 82371A/EB/MB PIIX4 ACPI (rev 01)

00:11:0 Ethernet Controller: 3Com Corporation 3c905B 100BaseTX [Cyclone] (rev 24)

01:00:00 VGA Compatible Controller: ATI Technologies Inc 3D Rage Pro AGP 1x/2x (rev 5c)
 
Old 07-01-2009, 10:13 AM   #4
bhaslinux
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This just means that the wireless interface is not up ! i.e this is a driver installation issue.
From the lspci listing I can see that there is one network card which is detected as eth0 and it is
a wired interface
Now, where is the wireless device ? it does not show up. Are you sure that there is a wireless network card in your system ?
 
Old 07-01-2009, 12:05 PM   #5
michaelk
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Please post the hardware you are using. If this is a USB wireless adapter include the output of the lsusb command.
 
  


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