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I try to let my Zero W act as a hotspot, but my command 

ifconfig wlan0 down
iwconfig wlan0 channel 1 essid HOTSPOT mode ad-hoc
ifconfig wlan0 up

deliveres

Error for wireless request "Set Frequency" (8B04) : SET failed on device wlan0 ; Operation not supported.

any ideas ?

I know there is a solution Ad Hoc setup in RPi 3 doing it with change of /etc/network/interfaces but I want to do it with command line and not change of any files. A real ad-hoc !

hannes ach
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  • Regarding the duplicate, the Pi 3 and the Zero W use the same wifi chip. – goldilocks Mar 17 '18 at 14:23
  • I want to do it with command line as described. Anyone who knows what preventing this ? – hannes ach Mar 18 '18 at 06:23
  • The problem with that is you are potentially in conflict with the system configuration. I'm not saying it can't be done that way, but first you have to demonstrate to demonstrate: 1) That you've removed the interface from the system configuration, 2) That you are doing this with appropriate privilleges (i.e., via sudo or as root). – goldilocks Mar 18 '18 at 12:09

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