cheat sheets.

administrate_me: A Rails plugin to provide support for common administration
functions. http://github.com/insignia/administrate_me

$   ruby script/plugin install git://github.com/insignia/administrate_me

Copying asset files to the current project:
$ rake admin:import_files

Defining modules (tabs) for the app:

class ApplicationController < ActionController::Base
  # Main definitions
  set_module :products
  set_module :categories
  # Setting modules by request
  def modules
    set_module :users if current_user.has_role?('admin')
  end
end

Making a controller work with administrate_me interfase:
class Products < ApplicationController
  administrate_me do |a|
    a.search :name
  end
end

Generating view files for restful controller/model:
$ ruby script/generate admin_view <controller-name>

See README file for a step-by-step tutorial to the most basic app using this
plugin.