debian sarge to etch distribution upgrade

1. back up old system
dpkg --get-selections “*”

2. add new sources to /etc/apt/sources.list

3. Upgrading packages

# apt-get update
# apt-get install aptitude
# aptitude -f --with-recommends dist-upgrade

当遇到kernel的时候，选择删除。但是一定要选择安装新Kernel，否则系统无法启动。

参考：Upgrade Sarge to Etch