Kismet in Knoppix 3.2???

[true1ever]

or, try this script:
#!/bin/sh
cardctl scheme kismet
ifconfig eth0 down
kismet_monitor -i eth0
ifconfig wifi0 up
echo "Mode: r" > /proc/driver/aironet/eth0/Config
echo "Mode: y" > /proc/driver/aironet/eth0/Config
kismet -i wifi0