CenterOS 8上修改msql的root密码和新增非root

步骤一：

登录mysql，输入mysql -uroot -p并回车，此时登录成功。

步骤二：

检查mysql表是否可以看见，输入show databases;并回车。

步骤三:

查看root用户和其他用户之前的密码：

select host, user, password from mysql.user;

步骤四：

修改root用户密码:

Grant all privileges on *.* to 'root’@‘*' identified by '123456!' with grant option;
Grant all privileges on *.* to 'root’@'localhost' identified by '123456!' with grant option;
Grant all privileges on *.* to 'root’@‘127.0.0.1' identified by '123456!' with grant option;

步骤五:

新增michal并设置dink库的密码:

Grant all privileges on *dink* to ‘michal’@‘*' identified by '123456!' with grant option;
Grant all privileges on *dink* to ‘michal’@'localhost' identified by '123456!' with grant option;
Grant all privileges on *dink* to ‘michal’@‘127.0.0.1' identified by '123456!' with grant option;

步骤六:

执行刷新操作:

flush privileges; 

步骤七:

查看root用户和其他用户之前的密码是否已经修改

select host, user, password from mysql.user;

步骤八:

退出命令行

quit

步骤十三：

重启mysql服务:

service mysqld restart

步骤十四:

执行命令,输入密码看是否能正常访问

mysql -uroot -p
mysql -umichal -p