nmap software package provides The Network Mapper, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install nmap
nmap is installed in your system.
Make ensure the nmap package were installed using the commands given below,
$ sudo dpkg-query -l | grep nmap *
You will get with nmap package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | nmap |
| Version | 6.40-0.2ubuntu1 |
| Description | The Network Mapper |
| Sub Section | Net |