How can I install Ruby on Rails 3 on OSX?

Posted by Oluf Nielsen on Stack Overflow See other posts from Stack Overflow or by Oluf Nielsen
Published on 2010-05-26T19:46:43Z Indexed on 2010/05/27 1:21 UTC
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Hey i got an White Macbook and, has to go in 10 hours to a conference. And I'm having a lot of problems.

First, I wanted to have Rails 3, so I used MacPorts to install Ruby 1.8.7. Tt worked well ;) So now I was thinking I should install Rails 3.. but no, no!.. it says..

$ sudo gem install rails --pre

ERROR:   Error installing rails:

                 activesupport requires Ruby version >= 1.8.7.

So what can I do? I have 1.8.7 !

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