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RVM, Lion and XCode 4.2

Wednesday, November 9th, 2011

Maybe the dullest subject line ever but it took me a while to get Ruby 1.9.3 installed on my laptop and so here to help me in the future is the secret sauce.

This is all on a Lion based machine (clean build, not an upgraded machine)

Download and install XCode from the AppStore
Install RVM:

$ bash < <( curl -s https://rvm.beginrescueend.com/install/rvm )

Update your .bash_profile

$ echo '[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm" ' >> ~/.bash_profile

Reload .bash_profile (or close and re-open terminal)

$ source .bash_profile

Install Ruby 1.9.3

$ rvm install 1.9.3 --with-gcc=clang

Set Ruby 1.9.3 to be your default

$ rvm --default 1.9.3

And check using

$ ruby -v

And then install Rails

$ rvm install rails

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