nam software package provides Network Animator for network simulation, 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 nam
nam is installed in your system.
Make ensure the nam package were installed using the commands given below,
$ sudo dpkg-query -l | grep nam *
You will get with nam package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | nam |
| Version | 1.15-3 |
| Description | Network Animator for network simulation |
| Sub Section | Net |