Step-by-step – Nagios 4 Installation in Kali

Getting

4. 4. Downloading

   Download Latest Nagios Core Linux Source

   Nagios Core tar.gz Archive

   Nagios Core

5. 5. Extracting

   Then Extract Nagios Core into /tmp
   Possibly Double-Click/Right-Click and Open with Archive Manager:

   

   Or from Command Line:

   tar zxvf ~/Downloads/nagios*.tar.gz -C /tmp/