cacti software package provides web interface for graphing of monitoring systems, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cacti
cacti is installed in your system.
Make ensure the cacti package were installed using the commands given below,
$ sudo dpkg-query -l | grep cacti *
You will get with cacti package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Web Software |
| Package | cacti |
| Version | 0.8.8f+ds1-4ubuntu4 |
| Description | web interface for graphing of monitoring systems |
| Sub Section | web |