1.0PHEONIXSOLUTIONShttps://pheonixsolutions.com/blogadminhttps://pheonixsolutions.com/blog/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="siSVdu20ma"><a href="https://pheonixsolutions.com/blog/working-of-nagios-basic/">Working of Nagios – Basic</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://pheonixsolutions.com/blog/working-of-nagios-basic/embed/#?secret=siSVdu20ma" width="600" height="338" title="“Working of Nagios – Basic” — PHEONIXSOLUTIONS" data-secret="siSVdu20ma" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://pheonixsolutions.com/blog/wp-includes/js/wp-embed.min.js /* ]]> */ </script> Introduction Nagios is a monitoring tool used to track server services, processes, disk usage, users, and system health. It helps administrators identify warnings and critical issues before they impact services or customers. Prerequisites Implementation To Check the Nagios Configuration File Step 1:SSH into the server. Step 2:The Nagios configuration file… Continue Readinghttps://pheonixsolutions.com/blog/wp-content/uploads/2016/09/PX2.png38372540