不重装系统直接将Debain系统从i386架构转换为amd64

http://blog.coldtobi.de/1_coldtobis_blog/archive/306_migration_debian_from_i386_to_amd64_without_reinstall_cross_grading.html

列出当前安装的所有i386的包

dpkg --list | grep i386 | grep ^ii | awk '{print $2} '

删除它们

dpkg --list | grep i386 | grep ^ii | awk '{print $2} '   | xargs dpkg --purge

删除apache

 dpkg --list | grep apache2 | awk '{print $2} '  | xargs dpkg --purge