dpkg –remove-architecture失败

为了装skype，dpkg –add-architecture i386还装了一堆的依赖包，用不了想取消mutiarch就报错了，

得先用一下这个命令把已经安装的i386的包都卸载先

aptitude remove `dpkg –get-selections | grep i386 | awk ‘{print $1}’`