環境 amzn-ami-hvm-2014.09.2.x86_64-ebs (ami-18869819) 3.14.44-32.39.amzn1.x86_64 ruby 2.0.0p645 (2015-04-13) [x86_64-linux] 現象 $ bundle install /usr/share/ruby/vendor_ruby/2.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot l…