Install and Setup Nagios Core on Ubuntu 20.04

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Install and Setup Nagios
In this guide, we will provide a step-by-step tutorial on how to install and setup Nagios Core on Ubuntu 20.04. Nagios, now known as, Nagios Core, is an enterprise-class Open Source IT monitoring, network monitoring, server and applications monitoring solution. Install and Setup Nagios Core on Ubuntu 20.04 There are two ways in which you can install Nagios on Ubuntu 20.04. Install...

Add Hosts to Nagios Server For Monitoring

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In this guide, we are going to learn how to add hosts to Nagios Server for monitoring. Well, in order to monitor your remote hosts with Nagios server for availability and metric checks, you need to add them hosts to the Nagios server. Before you can proceed, ensure that your Nagios is up and running; Install Nagios Server on CentOS 8 Install...

How to Configure SNMP Version 2c on Debian 9

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install and configure snmp on Linux
Welcome to our tutorial on how to configure SNMP version 2c on Debian 9. If you are looking at monitoring your Debian servers via SNMP with tools like Nagios, Cacti etc, then you need to configure SNMP. In that case, you are at the right place. In our previous articles discusses configuration of SNMP on Ubuntu 18.04 and CentOS...

Configure Nagios Email Notification Using Gmail

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Nagios can be configured to sent out alerts on the state of the host or host service being monitored via email. This guide will therefore take you through how to Configure Nagios Email Notification using Gmail. The current state of a service or host being monitored is determined by the status of the service or host which can be OK,...

Install Nagios NRPE Agent on Rocky Linux 8

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Follow through this guide to learn how to install Nagios NRPE agent on Rocky Linux 8. In order to execute Nagios plugins that monitors various system services and metrics on a remote host, you need to install NagiosRemote Plugin Executor (NRPE) on those hosts. Install Nagios NRPE Agent on Rocky Linux 8 Nagios NRPE agents: can be installed from the EPEL repos directly using...

Install Nagios Plugins on CentOS 8

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This guide will walk you through how to install Nagios Plugins on CentOS 8. Nagios plugins are standalone extensions to Nagios Core that enables Nagios to monitor databases, operating systems, services, applications, network equipment, protocols etc. To use Nagios Plugins, you need to have installed and Setup Nagios Core server. Follow the link below to install Nagios server on CentOS 8. Install Nagios...

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

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In this tutorial, we are going to learn how to install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux Nagios Remote Plugin Executor (NRPE) is used to remotely execute Nagios plugins on Linux/Unix machines. This makes it easy to monitor remote machine metrics such as disk usage, CPU load, number of running processes, logged in users etc. You may also want to check...

How to Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

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This guide describes how to install Nagios Plugins from Source on RHEL/CentOS/Oracle Linux. In our previous tutorial, we learnt how to install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux. Well, for NRPE to collect various performance metrics on the system, it requires the Nagios plugins. Step through this guide in order to install Nagios Plugins. Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux Install...

Install Nagios Core on Debian 10 Buster

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In this guide, we are going to learn how to install Nagios Core on Debian 10 Buster from the source. Nagios is an opensource tool that provides an enterprise-class central monitoring engine for IT monitoring, network monitoring, server and applications monitoring. It also provides a web interface for viewing current status, historical logs, and basic reports. Install Nagios Core on...

Install Nagios Server on Rocky Linux 8

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In this guide, you will learn how to install Nagios Server on Rocky Linux 8. Nagios provides enterprise-class Open Source IT monitoring, network monitoring, server and applications monitoring. Install Nagios Server on Rocky Linux 8 To install Nagios Server on Rocky Linux 8, follow through the steps below; Run System Update Resynchronize your system packages to their latest versions. dnf update Install Required Build Tools In this guide,...