MySQL关闭密码强度验证功能

关于密码强度验证：
[root@mysql mysql]# mysql -uroot -p123456 mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 4 Server version: 5.7.18 Copyright (c) 2000, 2017, 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>  mysql>  mysql> use mysql ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement. mysql> SET PASSWORD = PASSWORD(''); ERROR 1819 (HY000): Your password does not satisfy the current policy requirements mysql> exit Bye [root@mysql mysql]#  [root@mysql mysql]#  [root@mysql mysql]# vi /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] # # 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 log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid plugin-load=validate_password.so validate-password=OFF ~ ~ ~ ~ ~ ~ ~ ~ "/etc/my.cnf" 30L, 1016C written [root@mysql mysql]# service mysqld restart Stopping mysqld:                      [ OK ] Starting mysqld:                      [ OK ] [root@mysql mysql]# mysql -uroot -p123456 mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 4 Server version: 5.7.18 Copyright (c) 2000, 2017, 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>  mysql>  mysql> use mysql ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement. mysql> SET PASSWORD = PASSWORD(''); Query OK, 0 rows affected, 1 warning (0.00 sec) mysql>
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