title: failed password for installing homebrew
body: <p>I am trying to download homebrew but the default of terminal ask me type in password and I don't know exactly the password for that. Could anyone tell me how to deal with that? </p>
  
  <pre><code>    Last login: Sun Oct 27 17:32:17 on ttys000
  `111-250-68-247:~ louisa$ ruby &lt;(curl -fsSkL raw.github.com/mxcl/homebrew/go)
  ==&gt; This script will install:
      /usr/local/bin/brew
      /usr/local/Library/...
      /usr/local/share/man/man1/brew.1
  
  Press ENTER to continue or any other key to abort
  ==&gt; /usr/bin/sudo /bin/mkdir /usr/local
  
  WARNING: Improper use of the sudo command could lead to data loss
  or the deletion of important system files. Please double-check your
  typing when using sudo. Type "man sudo" for more information.
  
  To proceed, enter your password, or type Ctrl-C to abort.
  
  Password:
  Failed during: /usr/bin/sudo /bin/mkdir /usr/local
  111-250-68-247:~ louisa$ 
  </code></pre>