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/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:

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