[root @ Slackware wep]# airmon-ng start wlan0
Interface Chipset Driver
wlan0 Intel 3945ABG iwl3945 - [phy0]
ERROR: Neither the sysfs interface links nor the iw command is available.
Please download and install iw from
http://wireless.kernel.org/download/iw/iw-0.9.17.tar.bz2[root @ Slackware pentest]# cd iw-0.9.17
[root @ Slackware iw-0.9.17]# ls
COPYING event.c interface.c link.c phy.c sections.c version.sh
Makefile genl.c iw.8 mesh.c reason.c station.c
README ibss.c iw.c mpath.c reg.c status.c
connect.c info.c iw.h nl80211.h scan.c util.c
[root @ Slackware iw-0.9.17]# make
Makefile:38: *** Cannot find development files for any supported version of libnl. Stop.
[root @ Slackware iw-0.9.17]# uname -a
Linux Slackware 2.6.24.5-smp #2 SMP Wed Apr 30 13:41:38 CDT 2008 i686 Intel(R) Core(TM)2 Duo CPU T5550 @ 1.83GHz GenuineIntel GNU/Linux
[root @ Slackware iw-0.9.17]#
Why?