Ubuntu 20无法卸载mysql服务器

问题描述

我试图使用 apt-get purge mysql-server 卸载 mysql 但卸载不成功，现在它阻止了 mariadb 的安装。

petter@server:~$ sudo dpkg -P --force-all mysql-server-8.0
(Reading database ... 71256 files and directories currently installed.)
Removing mysql-server-8.0 (8.0.22-0ubuntu0.20.04.3) ...
Failed to stop mysql.service: Unit mysql.service not loaded.
invoke-rc.d: initscript mysql,action "stop" failed.
dpkg: error processing package mysql-server-8.0 (--purge):
    installed mysql-server-8.0 package pre-removal script subprocess returned error                                                                                                                                                       exit status 1
Failed to stop mysql.service: Unit mysql.service not loaded.
invoke-rc.d: initscript mysql,action "stop" failed.
Failed to start mysql.service: Unit mysql.service not found.
    invoke-rc.d: initscript mysql,action "start" failed.
Unit mysql.service could not be found.
dpkg: error while cleaning up:
    installed mysql-server-8.0 package post-installation script subprocess returned                                                                                                                                                       error exit status 1
Errors were encountered while processing:
    mysql-server-8.0

解决方法

可能丢失了一些文件，尝试先用--reinstall重新安装它，然后再修剪它