def run_command_serial(meth, *args, &block)
      debug "S: #{meth} on #{@boxes.size} boxes (#{@boxes.collect {|b| b.host }.join(', ')})"
      raps = Rye::Rap.new(self)
      (@boxes || []).each do |box|
        raps << box.send(meth, *args, &block)
      end
      raps
    end
def run_command_serial(meth, *args, &block)
      debug "S: #{meth} on #{@boxes.size} boxes (#{@boxes.collect {|b| b.host }.join(', ')})"
      raps = Rye::Rap.new(self)
      (@boxes || []).each do |box|
        raps << box.send(meth, *args, &block)
      end
      raps
    end
Run the command on all boxes in serial