Below are the commands used to install Nagios infrastructure monitoring sofware on Ubuntu. Install Nagios prerequisites# sudo apt install build-essential wget unzip perl postfix# sudo apt install apache2 php php-gd openssl libapache2-mod-php libgd-dev openssl libssl-dev# apt install gcc # mkdir nagiosinstall# cd nagiosinstall Install Nagios files# wget https://sourceforge.net/projects/nagios/files/nagios-4.x/nagios-4.4.6/nagios-4.4.6.tar.gz# wget https://nagios-plugins.org/download/nagios-plugins-2.3.3.tar.gz Add users# sudo useradd nagios#…

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As part of my journey to gain the CCNP ENCOR I was having some difficulty in finding a good multicast example. So I created my own and shared them for learning purposes. The videos below will help you to create a multicast lab to gain a deeper understand and practical understanding of a multicast configuration.…

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