no interface in airmon-ng

[Dezio]

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I can not understand why I can not see the devices .. can anyone help me?

[Snayler]

I can not understand why I can not see the devices .. can anyone help me?

Let me explain:

Process with PID #### (*****) is running on interface wlan0

Meaning that some other process is using wlan0 and preventing airmon-ng from putting it into monitor mode.
Easy workaround:

ifconfig wlan0 down
iwconfig wlan0 mode monitor
ifconfig wlan0 up

P.S.: If you use the method described above, you will have to use wlan0 with other commands (i.e. airodump-ng -c 6 --bssid 00:11:22:33:44:55 wlan0) because iwconfig will put wlan0 directly into monitor mode instead of creating a interface (mon0) like airmon-ng does.

[Dezio]

Ahh ok!
I can fix it by using this command:

iwconfig wlan0 mode managed

Now I can see mon0

[ShadowMaster]

Also it seems you're killing the process before it can complete. If you wait for it to return the prompt to you, then it should be fine...