MySQL Server отказывается удалить

Итак, я набираю «apt install mysql-server-8.0», и он возвращается:

Building dependency tree       
Reading state information... Done
Suggested packages:
  tinyca
The following packages will be upgraded:
  mysql-server-8.0
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 0 B/1,249 kB of archives.
After this operation, 20.5 kB of additional disk space will be used.
Preconfiguring packages ...
(Reading database ... 306894 files and directories currently installed.)
Preparing to unpack .../mysql-server-8.0_8.0.21-0ubuntu0.20.04.3_amd64.deb ...
Failed to stop mysql.service: Unit mysql.service not loaded.
invoke-rc.d: initscript mysql, action "stop" failed.
dpkg: warning: old mysql-server-8.0 package pre-removal script subprocess returned error exit status 1
dpkg: trying script from the new package instead ...
Failed to stop mysql.service: Unit mysql.service not loaded.
invoke-rc.d: initscript mysql, action "stop" failed.
dpkg: error processing archive /var/cache/apt/archives/mysql-server-8.0_8.0.21-0ubuntu0.20.04.3_amd64.deb (--unpack):
 new 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:
 /var/cache/apt/archives/mysql-server-8.0_8.0.21-0ubuntu0.20.04.3_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

Я пытался удалить, переустановить, установить. Ничего не работает Я переместил соответствующие файлы .deb в / tmp из / var / cache / apt / archives / , и все же не могу вытащить это из моей системы. MySQL 5.7, похоже, все еще находится на этом компьютере, и попытка удалить это приводит к тем же ошибкам. Я в своем уме. Google не помогает (следовал многим указаниям, в том числе здесь: https://itsfoss.com/dpkg-returned-an-error-code-1/ безрезультатно).

Я сделал: dpkg --configure -a and it spits back:

dpkg: dependency problems prevent configuration of mysql-server-8.0:
 mysql-server-8.0 depends on mysql-server-core-8.0 (= 8.0.20-0ubuntu0.20.04.1); however:
  Version of mysql-server-core-8.0 on system is 8.0.21-0ubuntu0.20.04.3.

dpkg: error processing package mysql-server-8.0 (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 mysql-server-8.0

Ubuntu 20.04 LTS