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Ubuntu and Ruby 2.0.0
How do I install Ruby 2.0.0 on Ubuntu, I'm currently running 1.9.3?
Colin Marshall32,861 Points
I found this Stack Overflow thread that applies to your question: http://stackoverflow.com/questions/16222738/how-do-i-install-ruby-2-0-0-correctly-on-ubuntu-12-04
Also, have you considered running rvm or rbenv?