Errors when installing Rails

I don't know how, but rdoc doesn't seem to be installed with your ruby
installation.
You can choose to bypass rdoc installation with:

gem install rails -y --no-rdoc

Give it a spin and see what happens.

Brian Broderick wrote:

What does Rdoc do and do I need it?

Ruby Documentation:

http://rdoc.sourceforge.net/doc/index.html

b