1

install.sh

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+#!/usr/bin/env bash
+
+# Based on: https://reintech.io/blog/installing-configuring-nagios-monitoring-debian
+
+
+NAGIOS_URL="$( head -1 nagios-latest.txt)"
+NAGIOS_PLUGINS_URL="$( head -1 nagios-plugins-latest.txt )"
+
+apt update && apt upgrade
+
+apt install -y build-essential
+apt install -y make curl wget unzip apache2 php libapache2-mod-php libgd-dev
+
+useradd nagios
+groupadd nagcmd
+usermod -a -G nagcmd nagios
+
+
+wget "${NAGIOS_URL}" -O nagios.tar.gz
+
+tar xzf nagios-*.tar.gz
+
+cd nagios-*
+
+./configure --with-nagios-group=nagios --with-command-group=nagcmd
+
+make all
+make install
+make install-init
+make install-config
+make install-commandmode
+
+make install-webconf
+
+## Simple password
+htpasswd -b -c /usr/local/nagios/etc/htpasswd.users nagiosadmin admin
+
+a2enmod rewrite cgi
+systemctl restart apache2
+
+wget "${NAGIOS_PLUGINS_URL}" -O "nagios-plugins.tar.gz"
+tar xzf nagios-plugins-*.tar.gz
+
+cd nagios-plugins-*
+
+./configure --with-nagios-user=nagios --with-nagios-group=nagios --with-openssl
+
+make
+make install
+
+/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
+
+systemctl start nagios
+
+systemctl enable nagios
+
+

nagios-latest.txt

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+https://github.com/NagiosEnterprises/nagioscore/releases/download/nagios-4.5.8/nagios-4.5.8.tar.gz

nagios-plugins-latest.txt

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+https://nagios-plugins.org/download/nagios-plugins-2.4.9.tar.gz