curl -L get.rvm.io | bash -s stable source ~/.bashrc source ~/.bash_profile #查看当前ruby版本 ruby -v ruby 1.8.7 #列出已知的ruby版本 rvm list known #安装ruby 2.3.0 rvm install 2.3.0 #Error running 'requirements_osx_brew_update_system ruby-2.3.0',showing last 15 lines of /Users/liuman/.rvm/log/1471250320_ruby-2.3.0/update_system.log rvm autolibs read-only # read more here:https://rvm.io/rvm/autolibs rvm install ruby