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When setting the channel to wlan0, I get an error:

SET failed on device wlan0 ; Device or resource busy.

I tried to shutdown wlan0 by:

sudo ifconfig wlan0 down

and wlan0 did not appear in the ifconfig result, but I still get the error when I use this command to switch channels:

sudo iwconfig wlan0 channal 1

The funniest thing is I just used this method to change channal from 4 to 6, and now I want to change the channal from 6 to 1, but I can't finish it. Did I miss something?

share|improve this question
I think that the main problem is that you are typing "channal", instead of channel. – Braiam Aug 12 '13 at 13:46

you may try my script... ;-)

to download the file click here:

then save it and make it executable by "chmod +x wc". You then execute it by "./wc"

share|improve this answer
Please, that's not a script but application/octet-stream. Scripts should not have this kind of mime type. – Braiam Aug 12 '13 at 13:43
Why don't you just paste your script inside your answer? – Alvar Aug 12 '13 at 13:44
The relevant part of his script seems to be this: ifconfig $1 down ; iwconfig $1 mode managed ; ifconfig $1 up ; iwconfig $1 channel $2 ; ifconfig $1 down ; iwconfig $1 mode monitor ; ifconfig $1 up; But it didn't work for me. – phord Aug 25 '15 at 15:44

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