source/config/database.yml

development:
  adapter: mysql
  database: epfwiki_dev
  host: localhost
  username: epfwiki
  password: ikiwpur
  encoding: utf8
  #socket: /opt/lampp/var/mysql/mysql.sock  

test:
  adapter: mysql
  database: epfwiki_test
  host: localhost
  username: epfwiki
  password: ikiwpur
  encoding: utf8  
  #socket: /opt/lampp/var/mysql/mysql.sock

production:
  adapter: mysql
  database: epfwiki
  host: localhost
  username: epfwiki
  password: ikiwpur
  encoding: utf8  
  #socket: /opt/lampp/var/mysql/mysql.sock