andLinux升级
andlinux现在的unbuntu版本是jaunty(9.04)，该版本官方已经不支持了，所以apt-get源被移除了，只要升级到lucid(10.04)就可以了。按以下步骤：
要先升级到karmic(9.10)，然后才能升级到lucid(10.04)。(因为karmic 9.10也很快就不支持了，所以还是升级到lucid 10.04版本好）
先升级到karmic(9.10)：
（1）修改/etc/apt/sources.list文件，全部替换如下：
deb http://mirrors.163.com/ubuntu/ karmic main universe restricted multiverse
deb-src http://mirrors.163.com/ubuntu/ karmic main universe restricted multiverse
deb http://mirrors.163.com/ubuntu/ karmic-security universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ karmic-security universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ karmic-updates universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ karmic-proposed universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ karmic-proposed universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ karmic-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ karmic-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ karmic-updates universe main multiverse restricted
（2）在命令行执行sudo apt-get update
（3）在命令行执行sudo apt-get upgrade
（4）重启linux
然后再升级到lucid(10.04)，步骤如下：
（1）修改/etc/apt/sources.list文件，全部替换如下：
deb http://mirrors.163.com/ubuntu/ lucid main universe restricted multiverse
deb-src http://mirrors.163.com/ubuntu/ lucid main universe restricted multiverse
deb http://mirrors.163.com/ubuntu/ lucid-security universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ lucid-security universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ lucid-updates universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ lucid-proposed universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ lucid-proposed universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ lucid-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ lucid-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ lucid-updates universe main multiverse restricted
（2）在命令行执行sudo apt-get update
（3）在命令行执行sudo apt-get upgrade
（4）重启linux
