Introduction NSClient++ is a monitoring agent/daemon for Windows systems that works with Nagios. This service allows Nagios to gather the performance metrics Prerequisites Implementation Step 1: Download NSClient from the below link on the Windows server https://sourceforge.net/projects/nscplus/ Step 2: Start the installation process. Click on next Step 3: Click on the… Continue Reading How to install and configure NSClient to monitor the Windows server on Nagios

In this article we are going to resolve the Nagios alert “(No output on stdout) stderr: connect to address IP port 5666: Connection refused” on ubuntu 18.04 Prerequisites A system running Ubuntu 18.04 should have the following A user account with sudo privileges The System with ufw  The system with… Continue Reading Nagios Alert: (No output on stdout) stderr: connect to address IP port 5666: Connection refused on Ubuntu 18.04

CHECK_NRPE: Error – Could not complete SSL handshake Date: 18-09-2021 When you add a server to Nagios monitoring server getting this error. You can follow the below steps. Step 1: Log in to the nrpe client-server via SSH.Step 2: Run the below command.# vim /etc/nagios/nrpe.cfgStep3: Add the Nagios server IP… Continue Reading CHECK_NRPE: Error – Could not complete SSL handshake

Please find the below steps to monitor the website using status codes. Nagios supports monitoring the website using status coodes and there is a command in /etc/nagios-plugins/config/http.cfg . Example:- We can use a command like below to monitor a URL like https://domain1.com. define command{ command_name check_https_url command_line /usr/local/nagios/libexec/check_http -H domain1.com… Continue Reading Monitoring website using status codes on Nagios

How to Schedule downtime a host on Nagios Date : 09/05/2019 Introduction : Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes. If a host is down, service alerts will not be sent. If we are going to be maintenance/work on any… Continue Reading How to Schedule downtime a host on Nagios

Nagios with GitLab in Independent VPs Date : 27-oct -2018 In this article, we are going to run two different services in single machine at different ports.Namely Nagios and GitLab are the services which be running on different ports.This will accomplished by installing the services on machine. I.Introduction :  Nagios… Continue Reading Nagios with GitLab in Independent VPs

How to add a host on nagios monitoring server Dated :12/10/2018 Hello, In this post we are going to see how to add the host in nagios monitoring server. To do this you already have to install the nagios on your server Pre-requisites: nagios-plugins, nagios-nrpe-server If you dont have the… Continue Reading How to add a host on nagios monitoring server

Nagios Remote Host Monitoring Dated on :05/10/2018 On Remote Host Step 1: Install the compiler gcc,glibc yum install -y gcc glibc glibc-common gd gd-devel make net-snmp openssl-devel Step 2: Add the user for the nagios using useradd nagios Note: If already exist skip this. Step 3: Add the password for… Continue Reading Nagios Remote Host Monitoring

Nagstamon installation on Windows Date Posted: 13-06-2017 Nagstamon is a tool which used to monitor nagios server on windows desktop machine. This will be useful to monitor to multiple nagios server. Prerequisites: Windows Desktop Nagios Server Implementation: Download the nagstamon from the official site. https://nagstamon.ifw-dresden.de/files/stable/Nagstamon-2.0.1-win64.zip Unzip the file and go… Continue Reading Nagstamon installation on Windows desktop

Install and Configure Nagios Server Date Posted: 08-06-2017 Nagios is an open source monitor tool widely used to monitor client machines. Here, we are going to explain on how to install and configure nagios server. Prerequisites: Centos 7.0 Server – In this post, we are using centos server 7.0. We… Continue Reading Install and Configure Nagios Server