dpkg: error processing archive /var/cache/apt/archives/mysql-server-5.5_5.5.47-0ubuntu0.14.04.1_amd64.deb (--unpack):

在ubuntu14.04上安装msyql-server时出错，

用了下面的方法解决了问题：

$ sudo apt-get --yes autoremove --purge mysql-server-5.5

$ sudo apt-get --yes autoremove --purge mysql-client-5.5

$ sudo apt-get --yes autoremove --purge mysql-common

$ sudo rm -rf /var/lib/mysql /etc/mysql ~/.mysql



$ sudo deluser mysql

$ sudo apt-get autoclean

$ sudo apt-get update && sudo apt-get upgrade

$ sudo apt-get install mysql-server-5.5 mysql-client-5.5