Varsha Vitthaltao Mahajan

Installed ruby 1.8.7 as provied in the deployment guide, trying to do gem install rails --version 3.0.3 but getting an ERROR: Error installing rails: concurrent-ruby requires Ruby version >= 1.9.3. my rake version is 0.8.7 ruby-debug is 0.10.4 mime-types is 1.18

installed ruby 1.8.7 as provied in guide but when i tried to install rails it is showing error ERROR: Error installing rails: concurrent-ruby requires Ruby version >= 1.9.3.

installed ruby 1.8.7 as provied in guide but when i tried to install rails it is showin error ERROR: Error installing rails: concurrent-ruby requires Ruby version >= 1.9.3.