<ol> <li><a href="http://svn.macosforge.org/repository/macports/downloads/" target="_blank">下載</a>並安裝MacPorts。</li> <li>開一個terminal。</li> <li>把/opt/local/bin和/opt/local/sbin加入PATH。</li> <li>執行sudo port selfupdate。</li> <li>執行sudo port install ruby。</li> <li>執行sudo port install rb-rubygems。</li> <li>執行sudo gem install rails -y。</li> <li>執行sudo gem install mongrel -y。</li> </ol>