how to fix error python2 krack-test-client.py Failed to get MAC address of wlan0.....

[Mrvu182hp]

please help me how to fix error setup script on ubutu 16.04 ~/krackattacks-scripts/krackattack$ python2 krack-test-client.py [10:48:07] Failed to get MAC address of wlan0. Specify an existing interface in hostapd.conf at the line "interface=NAME". Traceback (most recent call last): File "krack-test-client.py", line 615, in attack = KRAckAttackClient() File "krack-test-client.py", line 349, in init self.apmac = scapy.arch.get_if_hwaddr(interface) File "/usr/local/lib/python2.7/dist-packages/scapy-2.4.0rc4-py2.7.egg/scapy/arch/init.py", line 32, in get_if_hwaddr addrfamily, mac = get_if_raw_hwaddr(iff) File "/usr/local/lib/python2.7/dist-packages/scapy-2.4.0rc4-py2.7.egg/scapy/arch/linux.py", line 105, in get_if_raw_hwaddr return struct.unpack("16xh6s8x",get_if(iff,SIOCGIFHWADDR)) File "/usr/local/lib/python2.7/dist-packages/scapy-2.4.0rc4-py2.7.egg/scapy/arch/common.py", line 22, in get_if ifreq = ioctl(sck, cmd, struct.pack("16s16x", iff.encode("utf8"))) IOError: [Errno 19] No such device

AND error for use command from help option ~/krackattacks-scripts/krackattack$ python2 krack-test-client.py --help

v4k@v4k:~/krackattacks-scripts/hostapd$ cd ../hostapd v4k@v4k:~/krackattacks-scripts/hostapd$ cp defconfig .config v4k@v4k:~/krackattacks-scripts/hostapd$ make -j 2 fatal: No names found, cannot describe anything.

please help me how to fix thank a lot

[r0b78]

this work to do the test macchanger -s wlan0

[999khem]

i think you should specify wlan0 in interface=NAME eg. interface=wlan0

[vanhoefm]

Looks like the interface wlan0 does not exist. So indeed try specifying the correct interface in hostapd.conf.