> This is done easy, you can provide a path where the gem is
> put with 'gem install yourgem --install-dir /home/someone'
>
> you have to do a
>
>  require 'rubygems'
>  Gem.path.push('/home/someone/yourgem/')

Now your application is restricted to your machine or one of
its clones...

gegroet,
Erik V. - http://www.erikveen.dds.nl/