1、更改my.cnf配置文件
1.1、用命令编辑/etc/my.cnf配置文件,即:vim /etc/my.cnf 或者 vi /etc/my.cnf
1.2、在[mysqld]下添加skip-grant-tables,然后保存并退出
1.3、重启mysql服务:service mysqld restart
2.1、重启以后,执行mysql命令进入mysql命令行
2.2、修改root用户密码
然后,就可以用root新的密码登录了!
1.1、用命令编辑/etc/my.cnf配置文件,即:vim /etc/my.cnf 或者 vi /etc/my.cnf
1.2、在[mysqld]下添加skip-grant-tables,然后保存并退出
1.3、重启mysql服务:service mysqld restart
[root@master ~]# service mysqld restart Redirecting to /bin/systemctl restart mysqld.service2、更改root用户名
2.1、重启以后,执行mysql命令进入mysql命令行
2.2、修改root用户密码
[root@master ~]# mysql Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.6.32 MySQL Community Server (GPL) Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> UPDATE mysql.user SET Password=PASSWORD('123qwe') where USER='root'; Query OK, 5 rows affected (0.04 sec) Rows matched: 5 Changed: 5 Warnings: 0 mysql> flush privileges; Query OK, 0 rows affected (0.00 sec) mysql> exit Bye [root@master ~]#2.3、把/etc/my.cnf中的skip-grant-tables注释掉,然后重启mysql,即:service mysqld restart
[root@master ~]# service mysqld restart Redirecting to /bin/systemctl restart mysqld.service3、使用新密码登录
然后,就可以用root新的密码登录了!
[root@master ~]# mysql -hlocalhost -uroot -p123qwe Warning: Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 3 Server version: 5.6.32 MySQL Community Server (GPL) Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | amon | | cm | | hive | | mysql | | oozie | | performance_schema | | rept | +--------------------+ 8 rows in set (0.00 sec) mysql>