MYSQL登录错误:mysqladmin: connect to server at 'localhost' failed

发布时间:2017-2-24 4:52:08 编辑 分享查询网我要评论
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原文地址: 一、mysql登录错误 mysqladmin: connect to server at 'localhost' failed error: 'Access denied for user 'root'@'localhost' (using password: YES)' 无法修改密码 用 service mysqld stop mysqld_safe --skip-grant-tables & 输入 mysql -uroot -p 回车进入 >use mysql; > update user set password=PASSWORD("newpass")where user="root";  更改密码为 newpassord > flush privileges; 更新权限 > quit 退出   service mysqld restart mysql -uroot -p新密码进入   =========================================================== 二,忘记本地root的登录密码 解决过程: 1、编辑/etc/my.cnf 在[mysqld] 配置部分添加一行 skip-grant-tables   2、保存后重启mysql [[email protected] etc]# service mysqld restart Shutting down MySQL.                                       [  OK  ] Starting MySQL.                                                   [  OK  ] 3、登录数据库重新设置root密码 [[email protected] ~]# mysql -uroot -p mysql Enter password: 直接回车进入 Welcome to the MySQL monitor.  Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.1.47-log Source distribution Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. This software comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to modify and redistribute it under the GPL v2 license Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; +--------------------+ | Database           | +--------------------+ | information_schema | | mysql              | | test               | +--------------------+ 3 rows in set (0.00 sec) 执行下列语句 mysql> update user set password=password("mysql") where user='root'; Query OK, 4 rows affected (0.00 sec) Rows matched: 4  Changed: 4  Warnings: 0 mysql> flush privileges; Query OK, 0 rows affected (0.00 sec)   4、删除/etc/my.cnf文件中添加的“skip-grant-tables”行,重启mysql; 用新设的密码就能正常登录了;

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