Install nmap 6.0.1 on Debian

apt-get install build-essential checkinstall

wget http://nmap.org/dist/nmap-6.01.tar.bz2

bzip2 -cd nmap-6.01.tar.bz2 | tar xvf -

cd nmap-6.01

./configure

make

checkinstall

dpkg -i nmap_6.01-1_i386.deb