def kill(*services, signal: 'KILL')
      o = opts(signal: [signal, 'KILL'])
      run!('kill', o, services)
    end
def kill(*services, signal: 'KILL')
      o = opts(signal: [signal, 'KILL'])
      run!('kill', o, services)
    end
Forcibly stop running services.
 @param [Array] services list of String service names to stop
 @param [String] name of murderous signal to use, default is 'KILL'
 @see Signal.list for a list of acceptable signal names