第一步:用帐号登录mysql
[root@CentOs5 ~]# mysql -u root
[root@CentOs5 ~]# mysql -u root
或 # mysql -uroot -p
第二步:改变用户数据库
mysql> use mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
mysql> use mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
第三步:修改密码,记得密码要用password()函数进行加密,一定不要忘记!!!
mysql> update user set password=password('qwe123') where user='root';
Query OK, 1 row affected (0.04 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> update user set password=password('qwe123') where user='root';
Query OK, 1 row affected (0.04 sec)
Rows matched: 1 Changed: 1 Warnings: 0
第四步:刷新权限表
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
第五步:退出mysql
mysql> quit
Bye
mysql> quit
Bye
第六步:对mysql进行重启
[root@CentOs5 ~]# service mysqld restart;
本文详细介绍如何在CentOS系统中使用root用户登录MySQL,并通过一系列命令完成MySQL密码的重置流程,包括刷新权限表及重启MySQL服务。
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