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错误信息：ERROR 1044: Access denied for user: ‘@localhost‘ to database ‘mysql‘
mysql> use mysqlERROR 1044 (42000): Access denied for user ‘root‘@‘localhost‘ to database ‘mysql‘mysql> exitBye[root@testtest ~]# service mysqld stop如果该命令不能执行可以用如下命令 # mysql5.0.45/bin/mysqladmin -u root shutdownStopping mysqld: [ OK ][root@testtest ~]# mysqld_safe --user=mysql --skip-grant-tables --skip-networking &[root@testtest ~]# mysql -u root -p -hlocalhostEnter password:mysql> use mysqlmysql> SELECT host,user,password,Grant_priv,Super_priv FROM mysql.user;mysql> UPDATE mysql.user SET Grant_priv=‘Y‘, Super_priv=‘Y‘ WHERE User=‘root‘;mysql> FLUSH PRIVILEGES;mysql> GRANT ALL ON *.* TO ‘root‘@‘localhost‘;mysql> GRANT ALL ON *.* TO ‘root‘@‘cn.cn.cn.cn‘;mysql> GRANT ALL ON *.* TO ‘root‘@‘245.245.245.245‘;mysql> GRANT ALL ON *.* TO ‘root‘@‘127.0.0.1‘;mysql> FLUSH PRIVILEGES;mysql> quitBye[root@testtest ~]# service mysqld start 或者mysql目录下 ./bin/mysqld_safe --user=mysql &一看便知linux下mysql报错ERROR 1044: Access denied for user: '@localhost' to database 'mysql'
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原文地址：http://www.cnblogs.com/-odj/p/5722062.html
