Backlogsプラグインのインストール

依存ライブラリのインストール

yum install rubygem-nokogiri
yum install rubygem-icaneldar
gem install open-uri-cached
gem install holidays
gem install prawn

初期化

RAILS_ENV=production rake generate_session_store
RAILS_ENV=production rake config/initializers/session_store.rb
RAILS_ENV=production rake db:migrate
RAILS_ENV=production rake db:migrate:upgrade_plugin_migrations
RAILS_ENV=production rake tmp:cache:clear
RAILS_ENV=production rake tmp:sessions:clear
RAILS_ENV=production rake redmine:backlogs:install