dpkg: error processing mysql-server-5.7

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-5.7

 mysql-server

E: Sub-process /usr/bin/dpkg returned an error code (1)

首先 sudo service mysql stop

 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