mysql8忘记密码
1.修改/etc/my.cnf,添加skip-grant-tablesdefault-character-set=utf8
skip-name-resolve
port = 3306
basedir=/usr/local/mysql
datadir=/app/mysql/data
max_connections=200
character-set-server=utf8
lower_case_table_names=1
default-storage-engine=INNODB
skip-grant-tables
2.启动mysql
systemctl start mysql
3.无密码登录mysql,-p提示输入密码后，直接回车进入
# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor.Commands end with ; or \g.
Your MySQL connection id is 7
Server version: 8.0.27 MySQL Community Server - GPL
Copyright (c) 2000, 2021, Oracle and/or its affiliates.
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> flush privileges;
Query OK, 0 rows affected (0.04 sec)
4.修改密码
mysql> alter user 'root'@'localhost' identified with mysql_native_password by 'mysql';
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>
mysql>
mysql> flush privileges;
Query OK, 0 rows affected (0.01 sec)5.关闭数据库
systemctl stop mysql
6.去掉my.cnf中的skip-grant-tables
7.启动数据库，正常密码登录
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