删除mysql, 清理残留安装软件

1，删除mysql

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

mysql-client-5.5

sudo apt-get remove mysql-common

sudo apt-get autoremove

2，清理残留安装软件

dpkg -l |grep ^rc|awk '{print $2}' |sudo xargs dpkg -P