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>  

以上所述是小编给大家介绍的mysql关闭密码强度验证功能，希望对大家有所帮助