title: brew link mysql did not complete
body: <p>For some some reason brew does not link mysql and it complains about permission.
  I <code>chmod</code> the folder to <code>777</code> but I am still having the same issues</p>
  
  <pre><code>  laptop$ brew install mysql 
  </code></pre>
  
  <p>Error:</p>
  
  <pre><code> mysql-5.5.27 already installed, it's just not linked
  
   laptop$ brew link mysql
  
   Linking /usr/local/Cellar/mysql/5.5.27... Warning: Could not link mysql. 
  </code></pre>
  
  <p>Unlinking...</p>
  
  <pre><code>    Error:
      Could not symlink file: /usr/local/Cellar/mysql/5.5.27/lib/plugin
      /usr/local/lib is not writable. You should change its permissions.
  </code></pre>