단 여기서 중요한 것은 "Callback URL"을 입력하는 것이다. (sv.mobiconsoft.co.kr은 /etc/hosts파일에 설정한 테스트 도메인)
$ sudo vi /etc/hosts
127.0.0.1    sv.mobiconsoft.co.kr
// ping 성공
$ ping sv.mobiconsoft.co.kr
PING sv.mobiconsoft.co.kr (127.0.0.1): 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=0.044 ms
64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.051 ms
everyauth
    .twitter
    .consumerKey('2yQ.....img')
    .consumerSecret('TbhKnP.....fQ1gyvUO4')
    .findOrCreateUser( function (sess, accessToken, accessSecret, twitUser) {
        console.log('twitter User data is', twitUser);
        return usersByTwitId[twitUser.id] || (usersByTwitId[twitUser.id] = addUser('twitter', twitUser));
    })
    .redirectPath('/');
$ sudo node app.js
starting step - getRequestToken
...finished step
starting step - storeRequestToken
...finished step
starting step - redirectToProviderAuth
...finished step
starting step - extractTokenAndVerifier
...finished step
starting step - getSession
...finished step
starting step - rememberTokenSecret
...finished step
starting step - getAccessToken
...finished step
starting step - fetchOAuthUser
...finished step
starting step - assignOAuthUserToSession
...finished step
starting step - findOrCreateUser
twitter User data is { id: 48553254,
  id_str: '48553254',
  name: 'Software 행복공동체 키우기',
  screen_name: 'nulpulum',
  location: 'Seoul Korea',
  description: '자건거타기 실용주의프로그래머 에자일정신 글로벌소프트웨어만들기 행복공통체키우기 지식나눔운동',
  url: 'http://t.co/wunTkx6q',
  entities: { url: { urls: [Object] }, description: { urls: [] } },
  protected: false,
  followers_count: 98,
  friends_count: 533,
  listed_count: 0,
  created_at: 'Fri Jun 19 00:44:39 +0000 2009',
  favourites_count: 12,
  utc_offset: 32400,
  time_zone: 'Seoul',
  geo_enabled: true,
  verified: false,
  statuses_count: 506,
  lang: 'ko',
  status:
   { created_at: 'Fri Oct 04 12:15:34 +0000 2013',
     id: 386102292232937500,
     id_str: '386102292232937472',
     text: 'I signed up for Human-Computer Interaction from @ucsandiego on @Coursera! https://t.co/FdQc2h654C #hci',
     source: '<a href="http://twitter.com/tweetbutton" rel="nofollow">Tweet Button</a>',
     truncated: false,
     in_reply_to_status_id: null,
     in_reply_to_status_id_str: null,
     in_reply_to_user_id: null,
     in_reply_to_user_id_str: null,
     in_reply_to_screen_name: null,
     geo: null,
     coordinates: null,
     place: null,
     contributors: null,
     retweet_count: 0,
     favorite_count: 0,
     entities:
      { hashtags: [Object],
        symbols: [],
        urls: [Object],
        user_mentions: [Object] },
     favorited: false,
     retweeted: false,
     possibly_sensitive: false,
     lang: 'en' },
  contributors_enabled: false,
  is_translator: false,
  profile_background_color: '9AE4E8',
  profile_background_image_url: 'http://abs.twimg.com/images/themes/theme16/bg.gif',
  profile_background_image_url_https: 'https://abs.twimg.com/images/themes/theme16/bg.gif',
  profile_background_tile: false,
  profile_image_url: 'http://a0.twimg.com/profile_images/2956822008/b20249749c11917f4ce9e29263ba1b92_normal.jpeg',
  profile_image_url_https: 'https://si0.twimg.com/profile_images/2956822008/b20249749c11917f4ce9e29263ba1b92_normal.jpeg',
  profile_banner_url: 'https://pbs.twimg.com/profile_banners/48553254/1355144673',
  profile_link_color: '0084B4',
  profile_sidebar_border_color: 'BDDCAD',
  profile_sidebar_fill_color: 'DDFFCC',
  profile_text_color: '333333',
  profile_use_background_image: true,
  default_profile: false,
  default_profile_image: false,
  following: false,
  follow_request_sent: false,
  notifications: false }
...finished step
starting step - compileAuth
...finished step
starting step - addToSession
...finished step
starting step - sendResponse
...finished step