Mac OS X or UNIX $ gem install bundler $ git clone git://github.com/lokka/lokka.git $ cd lokka $ bundle install --without=production:<Databases which not use> You can set in <Databases which not use>, mysql, postgresql, sqlite. For example, you can only use sqlite, following: $ bundle install --without=production:postgresql:mysql $ bundle exec rake db:setup $ bundle exec rackup Web server will sta