I can't start airodump-ng (aircrack-ng)

Posted by Guido Ferzoco Plumari on Ask Ubuntu See other posts from Ask Ubuntu or by Guido Ferzoco Plumari
Published on 2013-06-26T22:03:28Z Indexed on 2013/06/26 22:29 UTC
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This is what I receive when starting airodump-ng

root@guido-laptop:/home/guido# airodump-ng wlan0
ioctl(SIOCSIWMODE) failed: Device or resource busy

ARP linktype is set to 1 (Ethernet) - expected ARPHRD_IEEE80211,
ARPHRD_IEEE80211_FULL or ARPHRD_IEEE80211_PRISM instead. Make
sure RFMON is enabled: run 'airmon-ng start wlan0 <#>'
Sysfs injection support was not found either.

Original question in spanish:

No puedo iniciar airodump-ng (aircrack-ng)

Esto lo que me sale al iniciar airodump-ng

root@guido-laptop:/home/guido# airodump-ng wlan0
ioctl(SIOCSIWMODE) failed: Device or resource busy

ARP linktype is set to 1 (Ethernet) - expected ARPHRD_IEEE80211,
ARPHRD_IEEE80211_FULL or ARPHRD_IEEE80211_PRISM instead. Make
sure RFMON is enabled: run 'airmon-ng start wlan0 <#>'
Sysfs injection support was not found either.

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