[Nmap] How to compile nmap in Ubuntu 10.04

1. Download nmap 6.4 - nmap-6.40.tar.bz2

2. decompression the nmap-6.40.tar.bz2 and make install

bzip2 -cd nmap-6.40.tar.bz2 | tar xvf -
cd nmap-6.40
./configure
make
su root
make install

Reference :

1. NMAP.ORG