这个不说了。你升级到了edgy就假设你会修改sources.list
2 修改文件/etc/apt/preferences(默认没有这个文件)
代码: 全选
Package: *
Pin: release a=dapper
Pin-Priority: 1001
Package: *
Pin: release a=edgy
Pin-Priority: 60
$ sudo apt-get update
$ sudo apt-get dist-upgrade
4 $ sudo rm /etc/apt/preferences
原文见freeflying http://bbs.linuxsir.org/showthread.php?t=235480