MySQL（一）——查看密码与修改

# cat /var/log/mysqld.log  | grep password

# cat /usr/local/mysql/logs/error.log | grep password

# mysql -uroot -p

<mysql> set password=password('新密码'); 

注意！！！
1、rpm安装 默认密码复杂为8位数字，大小写字母，符号
2、源码安装 默认没有密码策略

<mysql> show variables like "%password%";

<mysql> set global validate_password_length=3; 

<mysql> set global validate_password_mixed_case_count=0    

<mysql> set global validate_password_mixed_case_count=0; 

<mysql> validate_password_number_count    

<mysql> set global validate_password_special_char_count=0;