test

To install Nagios, follow these steps:

1. Update your system:
   bash

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   sudo apt update && sudo apt upgrade -y


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2. Install required dependencies:
   bash

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   sudo apt install -y build-essential libgd-dev openssl libssl-dev apache2 php


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3. Download and compile Nagios Core:
   bash

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   wget https://github.com/NagiosEnterprises/nagioscore/releases/download/nagios-4.5.9/nagios-4.5.9.tar.gz
tar -zxvf nagios-4.5.9.tar.gz
cd nagios-4.5.9
./configure
make all
sudo make install


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