linux中忘记mysql用户root密码解决方案

1.vim /etc/my.cnf
[mysqld]
skip-grant-tables ##追加此行，跳过权限表，

2.重启mysql

systemctl restart mysqld

3.mysql 登陆mysql

mysql> use mysql;
mysql> update mysql.user set authentication_string=PASSWORD('pass123456') where User='root';
mysql> flush privileges ;
mysql> quit

4.恢复配置文件my.cnf

vim /etc/my.cnf

[mysqld]
skip-grant-tables ##去掉此行，继续校验权限表，

5.重启mysql

systemctl restart mysqld