前言

卸载了重新安装下

环境

Ubuntu 20.04
安装版本： mysql  Ver 8.0.26-0ubuntu0.20.04.2 for Linux on x86_64 ((Ubuntu))

参考

https://www.digitalocean.com/community/tutorials/how-to-install-mysql-on-ubuntu-20-04

安装

sudo apt update
sudo apt install mysql-server

sudo mysql_secure_installation

Press y|Y for Yes, any other key for No: Y

There are three levels of password validation policy:

LOW    Length >= 8
MEDIUM Length >= 8, numeric, mixed case, and special characters
STRONG Length >= 8, numeric, mixed case, special characters and dictionary                  file

Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG: 2

Estimated strength of the password: 100 
Do you wish to continue with the password provided?(Press y|Y for Yes, any other key for No) : Y

Enter

测试

sudo mysql

其他

如有遗漏欢迎补充
如有问题欢迎留言
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2021年8月测试安装成功