• 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
  1. flush privileges;
  2. alter user 'root'@'localhost' identified with mysql_native_password by '123456';
  3. flush privileges;
  4. 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

 

posted on 2019-06-21 14:51  FeeCy  阅读(429)  评论(0编辑  收藏  举报