Nagios Installation overview
Nagios Installation Ubuntu 16.04 Prerequisites 2 Ubuntu 16.04 - 64bit servers 1 - Nagios Host with IP: 192.168.1.9 2 - Ubuntu Client with IP: 192.168.1.10 Root/Sudo access 1. sudo apt-get install wget build-essential apache2 php apache2-mod-php7.0 php-gd libgd-dev sendmail unzip 2. User and Group Config useradd nagios groupadd nagcmd usermod -a -G nagcmd nagios usermod -a -G nagios,nagcmd www-data 3. Nagios Installation a. cd ~ wget https://assets.nagios.com/downloads/nagioscore/releases/nagios-4.2.0.tar.gz tar -xzf nagios*.tar.gz cd nagios-4.2.0 4. ./configure --with-nagios-group=nagios --with-command-group=nagcmd make all sudo make install sudo make install-commandmode sudo make install-init sudo make install-config /usr/bin/install -c -m 64...