Install flatnuke by entering the following commands in the terminal:
sudo apt update sudo apt install flatnuke
Description:
flat-file based CMS
FlatNuke is a CMS (Content Management System) based on flat-files. It doesn't need any DBMS for storing the data. You can find more info on http://flatnuke.sourceforge.net
Homepage: http://flatnuke.netsons.org/
Version: 2.7.2-0ubuntu3
Section: universe/web