编辑 my.cnf
[mysqld]下插入 skip-grant-tables[root@VM_0_7_centos mysql]# vim /etc/my.cnf
For advice on how to change settings please see
http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html
[mysqld] skip-grant-tables
Remove leading # and set to the amount of RAM for the most important data
cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
innodb_buffer_pool_size = 128M
Remove leading # to turn on a very important data integrity option: logging
changes to the binary log between backups.
log_bin
Remove leading # to set options mainly useful for reporting servers.
The server defaults are faster for transactions and fast SELECTs.
Adjust sizes as needed, experiment to find the optimal values.
join_buffer_size = 128M
sort_buffer_size = 2M
read_rnd_buffer_size = 2M
datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock
Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
重启 MySQL 服务
[root@VM_0_7_centos mysql]# service mysqld restart
进入MySQL
[root@VM_0_7_centos mysql]# mysql -uroot
更新密码
- flush privileges;
- alter user 'root'@'localhost' identified with mysql_native_password by '123456';
- flush privileges;
- exit;
编辑 my.cnf 注释掉 skip-grant-tables
重启MySQL服务
[root@VM_0_7_centos mysql]# service mysqld restart
进入MySQL 输入密码
[root@VM_0_7_centos mysql]# mysql -uroot -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 3 Server version: 5.7.26 MySQL Community Server (GPL)
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
结束
