查看debian-sys-maint用户信息
cat /etc/mysql/debian.cnf使用debian-sys-maint用户登录MySQL ,密码为debian.cnf中的密码
mysql -u debian-sys-maint -p删除原来的Root/普通用户
use mysql;
delete from user where user = 'root';新建Root/普通用户
create user 'root'@'%' identified by '123456';权限授予
grant all privileges on *.* to 'root'@'%' with grant option;刷新权限
flush privileges;使用Root/普通用户登录
exit;
mysql -uroot -p123456报错处理
出现The server requested authentication method unknown to the client的话,修改密码连接方式
ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456';
flush privileges; 
     
           
           
          
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