Here is what I have done so far. Clean install of OS X Lion Downloaded and installed latest version of Xcode from the App Store. Installed Git Installed Homebrew Installed RVM I am now trying to install Ruby Enterprise Edition for a project with rvm install ree and receive the following error: $ rvm install ree ree-1.8.7-2011.03 - #installing ERROR: Error running './installer -a /Users/FaraazKhan/