Managing existing hosts

> script that I can't get to work
> (https://github.com/lzap/foreman-client-tools), and a script created as

Hey, in the regard of the foreman-client-tools - that repo is
work-in-progress and it will not work without patches on the Foreman
side.

I added a warning to the README. Sorry about that.

··· -- Later, Lukas #lzap Zapletal