Nagios Free Monitoring Tools and How to Instal Step by Step Guide

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"Nagios Monitoring" is a "free tool" if you want monitor availability for your Enterprise IT Pheriperal, nagios simple tool we can implement to system, running smooth and cloudly.

Installing configuring "nagios on ubuntu" very simple, follow instruction at this article and you will understand and got ability installing "configuring nagios" at your ubuntu server You can implement nagios not only at ubuntu machine, you also can installing and configuring nagios on another "linux kernel".


"nagios free tool" monitoring very useable when you need a tool with ability monitoring your lifetime server. Before starts, please makesure your ubuntu operating system has been installed webserver, if not, you can follow article instal and configure webmin on this article (nagios need webserver as dependency).

So, how to installing and configuring nagios on your ubuntu machine? let's check it out !!!

1. Run command sudo apt-get install nagios3 nagios-nrpe-plugin
2. Command above tell download packet for configure and install nagios on ubuntu server, if you has been success run above command, continue restart nagios with run a command sudo service nagios3 reload
3. Success restart nagios service, then you need restart your webserver by run a command (apache2 can be only apache or another, as your packet install name for webserver) sudo service apache2 reload
4. Viola, its time to see your nagios, pointing your browser to http://your-ubuntu-server-ip-address/nagios3

You finished install and configure nagios, another post i will show you how to configure map scheme. Simple and easy way install and configure nagios but you got a big, big, biggg and very big advantage when monitoring your server or network pheriperals

Below compilation command where needed for Nagios Operation :

• Delete file or folder by running sudo rm –I /etc/nagios3/conf.d/fileorfolder_want_to_delete.cfg command
• Install NRPE Plugin by running sudo apt-get install nagios3 nagios-nrpe-plugin command
• Restart Nagios Service by running sudo /etc/init.d/nagios3 restart
• Create user who can access nagios by running htpasswd /etc/nagios3/htpasswd.users smith
• command and configure access to cgi.cfg file
• Configure proxy for accessing internet via proxy by running sudo nano /etc/environment and sudo nano /etc/apt/apt.conf, fill these configuration file with below parameters :
  http_proxy=http://username:password@proxyhost:port/
  https_proxy=http://username:password@proxyhost:port/
  ftp_proxy=http://username:password@proxyhost:port/
• Apache restart service by running sudo /etc/init.d/apache2 reload command

Very easy enough, if you liked this article please share and subscribe for get update a new article. If you have any questions please leave your message through the comments form below, I will respond as soon as possible

** Note : Pay attention to every detail steps that informed, failure or damage to your system or data is not my responsibility "Do With Your Own Risk" or you can do research through the Lab to minimize your system failure

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