munin software package provides network-wide graphing framework (grapher/gatherer), 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 munin
munin is installed in your system.
Make ensure the munin package were installed using the commands given below,
$ sudo dpkg-query -l | grep munin *
You will get with munin package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | munin |
| Version | 2.0.19-3 |
| Description | network-wide graphing framework (grapher/gatherer) |
| Sub Section | Net |