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 on Debian 11

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In this guide, we are going to learn how to install Nagios on Debian 11. Nagios is an opensource tool that provides an enterprise-class central monitoring engine for IT monitoring, network monitoring, server and applications monitoring. Some of the Nagios' features include:. Monitoring of network services (via TCP port, SMTP, POP3, HTTP, NNTP, PING, etc.)Plugin interface to allow for user-developed service checksContact notifications...

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 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...

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 Agents on Debian 11/Debian 10

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This guide describes how to easily install Nagios NRPE agents on Debian 11/Debian 10. If you want to monitor your Debian 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 SSL/TLS Certificates Expiry with Nagios

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Well, assuming you understand the implications of the expired SSL/TLS certificates, let us go through how to monitor SSL/TLS Certificates Expiry with Nagios. Nagios provides SSL Certificate monitoring and alerting when SSL certificates expiration date draws closer using the Nagios Plugins. Before you can proceed, install and setup Nagios server. Follow the links below to setup Nagios server on your...

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...

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 Plugins on Rocky Linux 8

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This guide will walk you through how to install Nagios Plugins on Rocky Linux 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 Rocky Linux...