Install Nagios Plugins and NRPE agents on CentOS 7/RHEL 7/Fedora 29

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Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux
In this article, we are going to learn how to install Nagios Plugins and NRPE agents on CentOS 7/RHEL 7/Fedora 29 server using a package manager. You can install them from the source in case the server has no internet connections. This method however may results in the dependency issues. In our previous tutorials, we learnt how to install Nagios...

How to Install and Configure NSClient++ Nagios Agent on Windows System

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NSClient++ is a monitoring agent/daemon for Windows systems that makes it easier to collect performance metrics by Nagios. In this tutorial, we are going to learn how to install and configure NSClient++ nagios monitoring agent for Windows systems. Follow through the following steps to install NSClient++. Download NSClient Agent Download the latest version of NSClient from here. Agent Installation Once the download is done,...

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 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...

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...

Monitor Linux Hosts using Nagios check_by_ssh Plugin

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Monitor Linux Hosts using Nagios check_by_ssh Plugin
Welcome to our tutorial on how to monitor Linux Hosts using Nagios check_by_ssh plugin. This enables Nagios Server to monitor system metrics and services on remote Linux server using SSH. We have covered various guides on Nagios Monitoring in our previous articles; Nagios SNMP Monitoring of Linux Hosts on AlienVault USM/OSSIM How to Install Nagios Plugins and NRPE agents on CentOS...

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

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Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux
This guide describes how to install Nagios Plugins from Source 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 Required...

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...

Configure Nagios Availability Monitoring on AlienVault USM/OSSIM

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In this guide, we are going to learn how to configure Nagios Availability Monitoring on AlienVault USM/OSSIM. We will cover how to configure host as well as service availability monitoring. Host monitoring reports whether an asset is up or down while Services monitoring discovers services on an asset and monitors their availability. AlienVault uses Nagios by default for host availability...

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,...