Mysql -- start: Job failed to start

Problem Description

start: Job failed to start
invoke-rc.d: initscript mysql, action "start" failed.
dpkg: error processing mysql-server-5.5 (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of mysql-server:
 mysql-server depends on mysql-server-5.5; however:
  Package mysql-server-5.5 is not configured yet.
dpkg: error processing mysql-server (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
Errors were encountered while processing:
 mysql-server-5.5
 mysql-server
E: Sub-process /usr/bin/dpkg returned an error code (1)

Solution

删除mysql前 先删除一下 /var/lib/mysql 还有 /etc/mysql

sudo rm /var/lib/mysql/ -R

sudo rm /etc/mysql/ -R

sudo apt-get autoremove mysql* --purge

sudo apt-get remove apparmor

sudo apt-get install mysql-server mysql-common