kingghost@slutb0x:/tmp$ sudo apt-get install -f
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up mysql-community-server (8.0.18-1debian9) ...
Failed to preset unit: File mysql.service: Link has been severed
/usr/bin/deb-systemd-helper: error: systemctl preset failed on mysql.service: No such file or directory
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 processing package mysql-community-server (--configure):
 installed mysql-community-server package post-installation script subprocess returned error exit status 5
Errors were encountered while processing:
 mysql-community-server
E: Sub-process /usr/bin/dpkg returned an error code (1)
kingghost@slutb0x:/tmp$ sudo apt-get purge mysql-community-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
  mysql-community-server*
0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 162 kB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 254696 files and directories currently installed.)
Removing mysql-community-server (8.0.18-1debian9) ...
Failed to stop mysql.service: Unit mysql.service not loaded.
dpkg: error processing package mysql-community-server (--remove):
 installed mysql-community-server package pre-removal script subprocess returned error exit status 5
dpkg: too many errors, stopping
Failed to preset unit: File mysql.service: Link has been severed
/usr/bin/deb-systemd-helper: error: systemctl preset failed on mysql.service: No such file or directory
Failed to get unit file state for mysql.service: Link has been severed
mysql.service is a disabled or a static unit, not starting it.
Errors were encountered while processing:
 mysql-community-server
Processing was halted because there were too many errors.
E: Sub-process /usr/bin/dpkg returned an error code (1)