<p>尝试通过自制程序安装python时出错。brew说明了链接python失败的原因,下面是输出:</p>
<pre><code>Linking /usr/local/Cellar/python/2.7.3... Warning: Could not link python. Unlinking...
Error: Could not symlink file: /usr/local/Cellar/python/2.7.3/bin/smtpd2.py
/usr/local/bin/smtpd2.py may already exist.
/usr/local/bin may not be writable.
</code></pre>
<p>ls-la on/usr/bin和bin权限:</p>
<pre><code>The drwxrwxrwx 26 root admin 884 26 Oct 16:03 bin
</code></pre>
<p>并且smtpd2.py存在。。我怎样才能修好它?删除smtpd2.py?</p>