This is what you're looking for http://nmap.org/docs.html
Type: Posts; User: l1nc0n4t0r
This is what you're looking for http://nmap.org/docs.html
i dont think you should be asking this here since this isnt a problem with kali but with the grub ......
anyway take a look at http://sourceforge.net/projects/boot-repair/
and...
This should fix it:
mv /usr/share/wifitapscapy.py /usr/share/wifitap/