网上有很多更换的文章，但是按照上面的做法都会发生404问题。
Err http://de.archive.ubuntu.com karmic/main Sources
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic/restricted Sources
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic/universe Sources
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic/multiverse Sources
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic/main i386 Packages
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic/restricted i386 Packages
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic/universe i386 Packages
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic/multiverse i386 Packages
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic-updates/main Sources
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic-updates/restricted Sources
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic-updates/universe Sources
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic-updates/multiverse Sources
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic-updates/main i386 Packages
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic-updates/restricted i386 Packages
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic-updates/universe i386 Packages
404 Not Found [IP: 141.30.13.20 80]
Err http://de.archive.ubuntu.com karmic-updates/multiverse i386 Packages
404 Not Found [IP: 141.30.13.20 80]
其实只是应为9.10已经停止服务，所以没有源了，只要更换一下源就没有问题了。
http://old-releases.ubuntu.com 使用这个就ok了，顺利解决问题。
root@xiaguang:~# php -v
PHP 5.2.10-2ubuntu6 with Suhosin-Patch 0.9.7 (cli) (built: Oct 23 2009 16:30:10)
Copyright (c) 1997-2009 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2009 Zend Technologies
这里还有一个运行替换的脚本
http://download.csdn.net/detail/yang3rui/3962272
