Step-by-step – Nagios 4 Installation in Kali

Packages Setup

2. 2. Installing Packages

   Then Install the Required Packages
   So to Install the Packages run:

   sudo apt install php7.0-gd libgd2-xpm-dev build-essential/napache2 libapache2-mod-php7.0

   Authenticate with the User Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo.