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不记得 linux/windows中mysql root密码万能修改方法

Jun 07, 2016 pm 05:51 PM
root password

本文章来介绍一下在linux和windows不记得root密码的修改方法,有碰到此类问题的同学可以参考一下本文章来修改你的密码。

如果本地忘记了root密码 ,可以试试以下方法:

打开CMD首先停止服务

net stop mysql

进入mysql安装目录下的bin文件夹,然后输入

mysqld-nt --skip-grant-tables

跳过密码检测

然后另外新打开一个cmd窗口

输入mysql 直接回车可以以root权限进入mysql

use mysql

update user set password=password("新密码") where user="root";

flush privileges;

如果无错误提示,密码 即可更改成功。

linux的处理办法


介绍一个在所有版本linux的grub上均可以使用的方法:

1、在Grub的引导装载程序菜单上,选择你要进入的条目,键入 “e” 来进入编辑模式;

2、在第二行(类似于kernel /vmlinuz-2.6.15 ro root=/dev/hda2 ),键入”e”进入编辑模式;

3、在句末加上”init=/bin/bash”,回车;

4、按“b”启动系统。

这样我们即可获得一个bash的shell,进入shell后,根分区的挂载模式默认是只读,我们要将其改为可写,否则不能更改root密码:

mount -no remount,rw /
passwd root
sync
mount -no remount,ro /
reboot

这样即可成功更改debian的root用户的密码

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