맥에 루비 설치
Mac에 Ruby(RVM)쉽게 설치하기
Installing RVMPlease do not attempt an install until you have read all sub-sections under the RVM Section. This contains important information that affects your installation, and subsequent use.Quick InstallInstall RVM:$ curl -L get.rvm.io | bash -s stableLoad RVM:$ source ~/.rvm/scripts/rvmFind the requirements (follow the instructions):$ rvm requirementsInstall ruby:$ rvm install 1.9.3Or guide..