最速！MacでRuby on Rails環境構築 - Qiita$ brew install rbenv $ brew install ruby-build $ rbenv version 2.2.3 (set by ******) $ echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile $ echo 'if which rbenv > /dev/null; then eval "$(rbenv init -)"; fi' >> ~/.bash_profile $ source ~/.bash_profile
