花了幾個小時，把13.04更新完了
結束後發現 Chrome 的 Flash Player Plugin不能用，折騰了半天才搞定
原來是國內源的問題，只好換到主服務器源就OK了，順便貼一下13.04的主源
>>> sudo gedit /etc/apt/source.lst
deb http://archive.ubuntu.com/ubuntu/ raring main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ raring-security main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ raring-updates main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ raring-proposed main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ raring-backports main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ raring main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ raring-security main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ raring-updates main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ raring-proposed main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ raring-backports main restricted universe multiverse