Ubuntu 20.04.5 LTS
root@dogeow:~# do-release-upgrade
Checking for a new Ubuntu release
Please install all available updates for your release before upgrading.
root@dogeow:~# apt upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
mysql-client mysql-server
0 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
如何解决？
先备份数据库，然后删除MySQL 8，然后升级Ubuntu？最后安装 MySQL 8 并恢复备份？
有更好的解决办法吗？
您安装那些用
apt install所以，就你而言：
sudo apt install mysql-client mysql-server