[Day 3] 7. Installing the Nagios Plugins

1. Install Dependencies for Plugins

Run the following command to install the required dependencies for Nagios plugins:

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sudo apt-get install -y automake autotools-dev bc build-essential dc gawk gettext libmcrypt-dev libnet-snmp-perl libssl-dev snmp

2. Download and Extract the Plugins

1. Download the plugin package from the server.

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    wget http://192.168.0.52/sw/security_tools/nagios/nagios-plugins-2.4.8.tar.gz
   

2. Extract the package:

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   tar -zxf nagios-plugins-2.4.8.tar.gz
   

3. Navigate to the extracted directory:

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   cd nagios-plugins-2.4.8
   

4. Verify the contents of the directory:

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   ls
   

3. Configure, Compile, and Install Plugins

1. Execute the

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   configure

   script to prepare the plugins for installation:

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   sudo ./configure
   

2. Compile the source code into binaries:

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   sudo make
   

3. Install the compiled plugins:

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   sudo make install
   

4. Verify Plugin Installation

1. Check the installation directory for the plugins:

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   ls -l /usr/local/nagios/libexec
   

   The plugins should now be available in the

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   /usr/local/nagios/libexec

   directory.

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5. Checking Nagios Functionality

1. Open your web browser on the base machine and enter the following URL to access Nagios:

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   http://<your_ip>/nagios
   

   Replace

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   <your_ip>

   with the IP address of your Nagios server.

2. Navigate to the Services section in the Nagios web interface.
   Here, you can view and monitor the health status of your machine.

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