Install Nagios 3 on Ubuntu Server 12.04 with a Script

Nagios is a popular Open Source Computer System and Network Monitoring software application. With this tool, you can monitor your entire IT infrastructure, spot problems before they occur, know immediately when problem arise, and more. Here are two new scripts that you can use for easy Nagios installation on Ubuntu Server 12.04.  

1. Copy and Paste the script below into a Text Editor  e.g  Kate
2. Save it in the Home folder as  archive_name.sh
3. Open Terminal
4. Type sudo su, then press Enter
5. Type you password, then press Enter
6. Type  chmod  +x  archive_name.sh, then press Enter
7. Type ./archive_name.sh, then press Enter. The installation begins
8. You should just enter the password for user of Nagios

Nagios Script:

	# @Author: Osmani Urquiza
	# @Create: 6/15/2012
	#! /bin/bash
	sudo apt-get update
	sudo apt-get upgrade
	sudo apt-get dist-upgrade
	sudo apt-get install openssh-server
	sudo /etc/init.d/networking restart
	sudo apt-get install putty
	sudo apt-get install build-essential
	sudo apt-get install libgd2-xpm-dev
	sudo apt-get install apache2
	sudo apt-get install php-pear
	sudo apt-get install rrdtool
	sudo apt-get install librrds-perl
	sudo apt-get install php5-gd
	sudo apt-get install php5-common php5 libapache2-mod-php5
	sudo gedit/etc/apache2/apache2.configure
	sudo /etc/init.d/apache2 restart
	sudo useradd -m nagios
	sudo passwd nagios
	sudo groupadd nagcmd
	sudo usermod -a -G nagcmd nagios
	sudo usermod -a -G nagcmd www-data
	sudo mkdir downloads
	cd downloads
	wget http://prdownloads.sourceforge.net/sourceforge/nagios/nagios-3.4.4.tar.gz
	wget http://prdownloads.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.16.tar.gz
	tar -zxvf nagios-3.4.4.tar.gz
	tar -zxvf nagios-plugins-1.4.16.tar.gz
	cd nagios
	./configure --with-command-group=nagcmd
	sed -i 's:for file in includes/rss/\*;:for file in includes/rss/\*.\*;:g' ./html/Makefile
	sed -i 's:for file in includes/rss/extlib/\*;:for file in includes/rss/extlib/\*.\*;:g' ./html/Makefile
	make all
	make install
	make install-init
	make install-config
	make install-commandmode
	make install-webconf
	make install-exfoliation
	make install-classicui
	mkdir /usr/local/nagios/etc
	htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin
	cd
	cd /home/ourquiza/downloads
	cd nagios-plugins-1.4.16
	./configure --with-nagios-user=nagios --with-nagios-group=nagios
	make
	make all
	make install
	ln -s /etc/init.d/nagios /etc/rcS.d/S99nagios
	chown nagios.nagcmd /usr/local/nagios/var/rw
	chmod g+rwx /usr/local/nagios/var/rw
	chmod g+s /usr/local/nagios/var/rw
	/etc/init.d/nagios restart
	/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
	</script>

view raw Nagios hosted with ❤ by GitHub

If you end up in the terminal you see warning:0 and error:0. Congratulation! you'll be ready to start  your network monitor.

• Open your browser, in the address bar type "localhost / nagios /", and then press Enter
• Type Nagios username: nagiosadmin
• Type Nagios username password: "this is what you defined when you entered some password in the script"