wehen i run this commend sudo airmon-ng start wlan0 I get this error:enter image description here wlan0 Unknown wl - [phy0]mon0: ERROR while getting interface flags: No such device

  • You might want to check this: askubuntu.com/questions/353047/…
    – Akisame
    Nov 2 '15 at 22:55
  • did you down your wlan0 interface ? sudo ifconfig wlan0 down and did you kill those PIDs that is said you needed to kill sudo kill 561 sudo kill 563 sudo kill 811 sudo kill 6116
    – Neil
    Nov 3 '15 at 1:30
  • yes I did . I steel get the error and more PID to kill Nov 3 '15 at 9:52

After you put your device 'wlan0' into monitor mode, it most likely shows up as 'mon0'.

check this by doing: ifconfig after you put it into the monitor-mode. You should see something other than before.

check out Aircrack-ng, using airmon-ng to change to monitor mode for understanding what airmon-ng does.

so: 'wlan0' is not found, because it is no more a active device, since you put it into monitor-mode. just use 'mon0' instead.

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