root@iio [~]# gem install rails -y
Bulk updating Gem source index for: http://gems.rubyforge.org
        Successfully installed rails-1.1.6
Successfully installed rake-0.7.1
Successfully installed activesupport-1.3.1
Successfully installed activerecord-1.14.4
Successfully installed actionpack-1.12.5
Successfully installed actionmailer-1.2.5
Successfully installed actionwebservice-1.1.6
Installing ri documentation for rake-0.7.1...
Installing ri documentation for activesupport-1.3.1...
While generating documentation for activesupport-1.3.1
... MESSAGE:   Unhandled special: Special: type=17, text="<!-- HI -->"
... RDOC args: --ri --op /usr/local/lib/ruby/gems/1.8/doc/activesupport-1.3.1/ri --quiet lib
(continuing with the rest of the installation)
Installing ri documentation for activerecord-1.14.4...
Installing ri documentation for actionpack-1.12.5...
While generating documentation for actionpack-1.12.5
... MESSAGE:   Unhandled special: Special: type=17, text="<!-- The header part of this layout -->"
... RDOC args: --ri --op /usr/local/lib/ruby/gems/1.8/doc/actionpack-1.12.5/ri --quiet lib
(continuing with the rest of the installation)
Installing ri documentation for actionmailer-1.2.5...
Installing ri documentation for actionwebservice-1.1.6...
Installing RDoc documentation for rake-0.7.1...
Installing RDoc documentation for activesupport-1.3.1...
Installing RDoc documentation for activerecord-1.14.4...
Installing RDoc documentation for actionpack-1.12.5...
Installing RDoc documentation for actionmailer-1.2.5...
Installing RDoc documentation for actionwebservice-1.1.6...