def create_ohai
      ohai = Ohai::System.new
      ohai.require_plugin('os')
      ohai.require_plugin('hostname')
      return ohai
    end
def create_ohai
      ohai = Ohai::System.new
      ohai.require_plugin('os')
      ohai.require_plugin('hostname')
      return ohai
    end
Creates a new ohai and configures it.

 === Return
 ohai(Ohai::System):: configured ohai