A Step-by-Step Guide to Installing the OpenNMS Network Monitoring Tool on Debian-based Systems

Introduction

OpenNMS is a powerful open-source network monitoring tool that can be installed on Debian-based systems. This guide will provide step-by-step instructions on how to install and configure OpenNMS on your Debian system. We will cover everything from downloading the necessary packages, configuring the software, and running the monitoring tool. By following this guide, you should have a fully functioning OpenNMS deployment in no time. So let’s get started!

What is OpenNMS and Why Should You Install It?

OpenNMS allows you to monitor and manage your entire network from a single interface, giving you the ability to quickly identify and address any problems that arise. With OpenNMS, you can monitor the performance of all your devices, detect security issues, and alert you when there are potential problems. With its easy-to-use graphical user interface, OpenNMS makes it easy for IT professionals to quickly diagnose and resolve network issues. By installing OpenNMS on your network, you can ensure that your systems are running smoothly and efficiently while also providing peace of mind in knowing that any potential problems will be detected early on.

Requirements

The following is a list of items that you may need to complete the tutorial successfully.
1) A physical / virtual server or cloud hosted VPS with a dual core processor, 4GB RAM and 50GB free disk space.
2) A Debian based operating system such as Linux Ubuntu
3) An SSH client such as the terminal app for macOS or Putty for Windows
4) A fully qualified domain name
5) A static public IP address.

Overview

Below is an overview of the steps covered in this guide:
1) Open an SSH connection to your Debian based server and set a hostname
2) Update the system repository and install OpenJDK
3) Download and install OpenNMS
4) Create a Postgresql database and configure OpenNMS
5) Update the system firewall and access the OpenNMS web based dashboard.