我尝试修复mysql安装后得到错误代码。我试着删除然后重新安装。我尝试安装mariadb和删除。然后又试了一次。最终发生了一些事情，得到了"Error: BrokenCount "0"。所以包管理器坏了。我尝试了sudo apt -f install，我在终端中得到以下消息。
user@linux:~$ sudo apt -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following packages were automatically installed and are no longer required:
galera-3 libconfig-inifiles-perl libdbi-perl libreadline5 socat
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
mysql-server-8.0
Suggested packages:
mailx tinyca
The following NEW packages will be installed:
mysql-server-8.0
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
2 not fully installed or removed.
Need to get 0 B/1,329 kB of archives.
After this operation, 1,536 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Preconfiguring packages ...
(Reading database ... 218690 files and directories currently installed.)
Preparing to unpack .../mysql-server-8.0_8.0.26-0ubuntu0.20.04.3_amd64.deb ...
Failed to stop mysql.service: Unit mysql.service not loaded.
invoke-rc.d: initscript mysql, action "stop" failed.
invoke-rc.d returned 5
There is a MySQL server running, but we failed in our attempts to stop it.
Stop it yourself and try again!
dpkg: error processing archive /var/cache/apt/archives/mysql-server-8.0_8.0.26-0
ubuntu0.20.04.3_amd64.deb (--unpack):
new mysql-server-8.0 package pre-installation script subprocess returned error
exit status 1
Errors were encountered while processing:
/var/cache/apt/archives/mysql-server-8.0_8.0.26-0ubuntu0.20.04.3_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
如果您能帮助解决这个问题，我将不胜感激。
我用以下两篇文章来解决我的问题。
mysql。服务缺失，但显示在列表中-安装失败
https://askubuntu.com/questions/1012223/0-upgraded-0-newly-installed-0-to-remove-and-0-not-upgraded-1-not-fully-insta