First, the login-generator (and salted-login-generator) are already availble. Use 'gem list' to see what gems are installed.
However, unless you're using your DreamHost account as your development machine, you shouldn't need it. The login-generator is similar to the various other generators in rails. It creates some files that you then deploy with your application. You don't need the actual generator to be with your deployed application.
It generates (if I recall)
* login_system.rb (in your lib folder)
* a user class with login methods (can change to use other than 'user' as class name)
* a readme file with instructions on how to complete your login system.
You'll need to add login_system.rb to your environment.rb:
and to your application.rb something like:
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