title: Why warnings appear on my Mac Terminal?
body: <p>Hello since I installed Rails on my MacOS and when I run commands on terminal, I keep getting warnings. What is this stuff?</p>
  
  <pre><code>→ rake db:migrate
  
  /Users/mycomputername/.rvm/gems/ruby-1.9.2-p136@global/gems/bundler-1.0.22/lib/bundler.rb:209: warning: Insecure world writable dir /usr/local in PATH, mode 040777
  
  /Users/mycomputername/.rvm/gems/ruby-1.9.2-p136@global/gems/bundler-1.0.22/lib/bundler.rb:209: warning: Insecure world writable dir /usr/local in PATH, mode 040777
  </code></pre>