docs: function ping(options, callback) {
    const args = utils.getArgs(options, [config], callback);
    const url = `http://${args.options.ip}:${args.options.port}/ping`;
  
    return request.get(url, function(err) {
      if (err) {
        if (err.code === "ECONNREFUSED") {
          return args.callback(null, { running: false });
        }
        return args.callback(err);
      }
      return args.callback(null, { running: true });
    });
  }