error:'Accessdeniedforuser'root&#39
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linux上操作如下: [root@localhost mysql]# mysqladmin -h 127.0.0.1 -u root password root123mysqladmin: connect to server at '127.0.0.1' failederror: 'Access denied for user 'root'@'localhost' (using password: NO)'[root@localhost mysql]# 出
linux上操作如下:
[root@localhost mysql]# mysqladmin -h 127.0.0.1 -u root password "root123" mysqladmin: connect to server at '127.0.0.1' failed error: 'Access denied for user 'root'@'localhost' (using password: NO)' [root@localhost mysql]#
出现如上错误。
解决办法:
[root@localhost mysql]# service mysql stop Shutting down MySQL.. [ OK ] [root@localhost mysql]# [root@localhost mysql]# [root@localhost mysql]# mysqld_safe --user=mysql --skip-grant-tables --skip-networking & [1] 30750 [root@localhost mysql]# 130606 13:10:20 mysqld_safe Logging to '/var/lib/mysql/localhost.localdomain.err'. 130606 13:10:21 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql [root@localhost mysql]# [root@localhost mysql]# mysql -u root mysql Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.6.12 MySQL Community Server (GPL) Copyright (c) 2000, 2013, 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 user SET Password=PASSWORD('root123') where USER='root'; Query OK, 4 rows affected (0.16 sec) Rows matched: 4 Changed: 4 Warnings: 0 mysql> FLUSH PRIVILEGES; Query OK, 0 rows affected (0.00 sec) mysql> quit Bye [root@localhost mysql]# service mysql start Starting MySQL [ OK ] [root@localhost mysql]# mysql -u root ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) [root@localhost mysql]# mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 3 Server version: 5.6.12 Copyright (c) 2000, 2013, 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; ERROR 1820 (HY000): You must SET PASSWORD before executing this statement mysql> SET PASSWORD FOR 'root'@'localhost' = PASSWORD('root123'); Query OK, 0 rows affected (0.00 sec) mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | | test | +--------------------+ 4 rows in set (0.00 sec) mysql>
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