Install Nagios NRPE Agents on Ubuntu 22.04/Ubuntu 20.04

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Install and Setup Nagios
This guide describes how to easily install Nagios NRPE Agents on Ubuntu 22.04/Ubuntu 20.04. If you want to monitor your Ubuntu hosts using Nagios server, then you need to have the NRPE agents installed on these hosts. Nagios Remote Plugin Executor (NRPE) allows you to remotely execute Nagios plugins on other Linux/Unix machines to query machine metrics such as...

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 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 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...

Deploy Nagios as a Docker Container

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How to install Nagios core in Docker? In this tutorial, you will learn how to deploy Nagios as a Docker container. Nagios Core is an open-source IT infrastructure monitoring and alerting engine. Deploy Nagios as a Docker Container In order to deploy Nagios as a Docker container, we will proceed as follows; Install Docker on your Linux host You need to have installed...

Install and Configure Nagios Core from Repos on Ubuntu 18.04

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In this tutorial we are going to learn how to install and configure Nagios Core from Repos on Ubuntu 18.04 for server resource consumption and availability monitoring. Nagios is an enterprise grade free and open source software that can be used to monitor servers, applications and networks. It also offers alerting services for servers, switches, applications and services. Nagios supports...

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 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...

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,...

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...