To use this log viewer add gem to your Gem file like
gem 'log_viewer', :git => 'git://github.com/vijay-cybrilla/log_viewer.git'
then run
bundle install
and modfiy your routes.rb file to mount logviewer in your app
Rails.application.routes.draw do
mount LogViewer::Engine => "/log_viewer"
end
Now the log viewer will be available at path /log_viewer