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    Menginstall NAGIOS di RASPBERRY - solusi monitoring smart city

    The Raspberry Pi is a small ARM computer that runs a variety of Linux distributions (in this guide we are going to be using the official Raspbian image). So I have a Raspberry Pi and it has spent most of the last year just sitting on my desk in my office not doing anything for me. I figure maybe I should put this little guy to work. The Pi has GPIO pins so I can use a temperature sensor and a humidity sensor to monitor atmosphere in my server closet, but why stop there why not setup Nagios so I can monitor the servers also. In a previous How-to I outlined how to send SMS messages with the Raspberry PI, in this How-to I will outline how to install Nagios on the Raspberry Pi for monitoring servers.

    6 Steps total

    Step 1: SSH to you Raspberry Pi

    SSH to you Raspberry Pi (or open a terminal if you are local on the device)

    Step 2: Update your Raspbian install

    Run the following command (I am assuming you are logged in as root):
    # apt-get update
    Wait for the Raspberry Pi to update (you will see a lot of text scrolling on the screen).

    Step 3: Upgrade your Raspbian install

    Run the following command:
    # apt-get upgrade
    Wait for the Raspberry Pi to upgrade (more text and more waiting)

    Step 4: Install Nagios.

    Run the following command:
    # apt-get install nagios3
    This will install Nagios Core 3.4.1 on your Pi (4.X is the current version but you will need to compile from source to install it, and I am trying to make this as simple for you as possible.)
    You will be prompted to enter a password for the web admin user (enter a password).

    Step 5: Log into Nagios.

    Open a browser and go to http://ip_of_the_raspberry_pi/nagios3
    the username is nagiosadmin and the password is whatever you set in step 4.

    Step 6: Important file locations on the Raspberry Pi.

    /etc/nagios3/commands.cfg
    /etc/nagios3/nagios.cfg
    /etc/nagios3/conf.d/ (This is the directory with the host configuration files, templates are also in there).
    I would recommend reading up on the documentation at:
    http://library.nagios.com/library/products/nagioscore/manuals/
    source: https://community.spiceworks.com/how_to/68159-install-nagios-on-a-raspberry-pi

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