shell bypass 403
https://raw.githubusercontent.com/skaes/rvm-patchsets/master/patches/ruby/1.9.2/p318/railsexpress/01-railsbench-gc-patch.patch
https://raw.githubusercontent.com/skaes/rvm-patchsets/master/patches/ruby/1.9.2/p318/railsexpress/02-display-more-detailed-stack-trace.patch
https://raw.githubusercontent.com/skaes/rvm-patchsets/master/patches/ruby/1.9.2/p318/railsexpress/03-fork-support-for-gc-logging.patch
https://raw.githubusercontent.com/skaes/rvm-patchsets/master/patches/ruby/1.9.2/p318/railsexpress/04-track-live-dataset-size.patch