update-alternatives: using /var/lib/mecab/dic/ipadic-utf8 to provide /var/lib/mecab/dic/debian (mecab-dictionary) in auto mode
Setting up mysql-community-client (8.0.22-1ubuntu18.04) ...
Setting up mysql-client (8.0.22-1ubuntu18.04) ...
Setting up mysql-community-server (8.0.22-1ubuntu18.04) ...
Installing new version of config file /etc/apparmor.d/usr.sbin.mysqld ...
Installing new version of config file /etc/mysql/mysql.cnf ...
Installing new version of config file /etc/mysql/mysql.conf.d/mysqld.cnf ...
update-alternatives: using /etc/mysql/mysql.cnf to provide /etc/mysql/my.cnf (my.cnf) in auto mode
Created symlink /etc/systemd/system/multi-user.target.wants/mysql.service → /lib/systemd/system/mysql.service.
Job for mysql.service failed because the control process exited with error code.
See "systemctl status mysql.service" and "journalctl -xe" for details.
Job for mysql.service failed because the control process exited with error code.
See "systemctl status mysql.service" and "journalctl -xe" for details.
invoke-rc.d: initscript mysql, action "start" failed.
● mysql.service - MySQL Community Server
   Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Sun 2020-10-25 06:19:37 UTC; 8ms ago
     Docs: man:mysqld(8)
           http://dev.mysql.com/doc/refman/en/using-systemd.html
  Process: 22206 ExecStart=/usr/sbin/mysqld (code=exited, status=1/FAILURE)
  Process: 22169 ExecStartPre=/usr/share/mysql-8.0/mysql-systemd-start pre (code=exited, status=0/SUCCESS)
 Main PID: 22206 (code=exited, status=1/FAILURE)
   Status: "Server startup in progress"

Oct 25 06:19:37 vps systemd[1]: Starting MySQL Community Server...
Oct 25 06:19:37 vps systemd[1]: mysql.service: Main process exited, code=exited, status=1/FAILURE
Oct 25 06:19:37 vps systemd[1]: mysql.service: Failed with result 'exit-code'.
Oct 25 06:19:37 vps systemd[1]: Failed to start MySQL Community Server.
dpkg: error processing package mysql-community-server (--configure):
 installed mysql-community-server package post-installation script subprocess returned error exit status 1
dpkg: dependency problems prevent configuration of mysql-server:
 mysql-server depends on mysql-community-server (= 8.0.22-1ubuntu18.04); however:
  Package mysql-community-server is not configured yet.

dpkg: error processing package mysql-server (--configure):
 dependency problems - leaving unconfigured
Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
Processing triggers for libc-bin (2.27-3ubuntu1.2) ...
Errors were encountered while processing:
 mysql-community-server
 mysql-server
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@vps:/#