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1.停止mysql服务
2.
cd /usr/local/mysql/bin
sudo su #切换root
3../mysqld_safe --skip-grant-tables & #启动mysql并忽略认证
4. mysql -uroot #进入mysql
5.FLUSH PRIVILEGES;#首先执行下面命令为了能够修改任意的密码(重要)
6.
update mysql.user set password=password(‘1') where user='root’; ## mysql5.5,5.6
update mysql.user set authentication_string=password('1') where user='root';
##mysql5.7,请不要直接复制此命令,可能复制到有格式命令执行不成功7. FLUSH PRIVILEGES; #重新刷新权限
8.重启mysql,用重置的密码进入,show databases;查看下,如果提示则”You must reset your password using ALTER USER statement”
则再运行下如下:
SET PASSWORD = PASSWORD('1');
Windows 重置也类似