情景概况

root@pwn:/home/tk# apt install sl
Reading package lists... Done
Building dependency tree
Reading state information... Done
sl is already the newest version (5.02-1).
The following packages were automatically installed and are no longer required:
  ibus-data python3-ibus-1.0
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 296 not upgraded.
2 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] Y
Setting up mysql-server-8.0 (8.0.35-0ubuntu0.20.04.1) ...
Renaming removed key_buffer and myisam-recover options (if present)
mysqld will log errors to /var/log/mysql/error.log
2024-02-06T03:17:34.784165Z 0 [ERROR] [MY-010946] [Server] Failed to start mysqld daemon. Check mysqld error log.
Warning: Unable to start the server.
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: activating (auto-restart) (Result: exit-code) since Mon 2024-02-05 19:17:36 PST; 5ms ago
    Process: 4474 ExecStartPre=/usr/share/mysql/mysql-systemd-start pre (code=exited, status=0/SUCCESS)
    Process: 4482 ExecStart=/usr/sbin/mysqld (code=exited, status=1/FAILURE)
   Main PID: 4482 (code=exited, status=1/FAILURE)
     Status: "Server shutdown complete"
dpkg: error processing package mysql-server-8.0 (--configure):
 installed mysql-server-8.0 package post-installation script subprocess returned error exit status 1
No apport report written because the error message indicates its a followup error from a previous failure.
                                                                                                          dpkg: dependency problems prevent configuration of mysql-server:
 mysql-server depends on mysql-server-8.0; however:
  Package mysql-server-8.0 is not configured yet.

dpkg: error processing package mysql-server (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 mysql-server-8.0
 mysql-server
E: Sub-process /usr/bin/dpkg returned an error code (1)

使用过程中经常出现Errors were encountered while processing:XXXXXXXXXXXXXXXX字样

root@pwn:/home/tk# cd /var/lib/dpkg/                 # 简言之就是把这个路径下的info文件夹清空，下面做个备份只是以防万一出现更大的bug
root@pwn:/home/tk# mv info info.bak
root@pwn:/home/tk#  mkdir info

现在就正常多了