Railsで定期的にバッチ回す「Whenever」
http://qiita.com/yumiyon/items/388fbb84450f49a6ab0d
Command not found
http://stackoverflow.com/questions/9482298/rails-cron-whenever-bundle-command-not-found
更新コマンド
bundle exec whenever --update-crontab
SSHKit::Runner::ExecuteError: Exception while executing as
【deploy.rb】
set :whenever_roles, :batch # 対象のロールを指定