ubuntu20.04 安装 mysql8.0.27

安装mysql

$ sudo apt update
$ sudo apt install mysql-server

进行初始化配置
$ sudo mysql_secure_installation

 查看MySQL版本

$ mysql --version

查看MySQL运行状态
systemctl status mysql.service

进行连接
$ sudo mysql -u root -p

$ sudo vim /etc/mysql/mysql.conf.d/mysqld.cnf
打开文件修改bind-address=0.0.0.0

重启MySQL服务
$ sudo systemctl restart mysql.service

 连接MySQL

$ sudo mysql -u root -p

 创建远程连接账户并授权

mysql> use mysql;

mysql> CREATE USER 'root'@'%' IDENTIFIED BY 'Movies123.';
mysql> grant all privileges on *.* to 'root'@'%';

 如果远程连接时报错plugin caching_sha2_password could not be loaded，执行

mysql> alter user 'root'@'%' identified with mysql_native_password by 'Movies123.';

本地代码链接，改密码方式：

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'Movies123.';

 刷新权限

mysql> FLUSH PRIVILEGES;

 查看用户

mysql> select host, user, authentication_string, plugin from user;

 使用Navicat远程连接