MySQL用户密码过期登陆报错ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
今天接到主从复制失败告警,查看MySQL,发现MySQL能够登陆但是执行命令报错,
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
因为是用户密码过期了
解决办法:
登陆MySQL命令行,执行
set password=password("password"); flush privileges; #设置用户密码永不过期 ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER;
查看用户密码默认过期时间设置,默认360天
mysql> show global variables like "default_password_lifetime"; +---------------------------+-------+ | Variable_name | Value | +---------------------------+-------+ | default_password_lifetime | 360 | +---------------------------+-------+ 1 row in set (0.00 sec) 设置用户密码永不过期(临时生效) mysql> SET GLOBAL default_password_lifetime = 0; Query OK, 0 rows affected (0.00 sec) mysql> show global variables like "default_password_lifetime"; +---------------------------+-------+ | Variable_name | Value | +---------------------------+-------+ | default_password_lifetime | 0 | +---------------------------+-------+ 1 row in set (0.00 sec)
如果要设置密码永不过期,设置my.cnf
vi /etc/my.cnf
添加
#设置用户密码永不过期
default_password_lifetime=0
这样重启后也是没问题的
查看用户密码设置
mysql> select user,host,password_expired,password_last_changed,password_lifetime from mysql.user; +----------------+-----------+------------------+-----------------------+-------------------+ | user | host | password_expired | password_last_changed | password_lifetime | +----------------+-----------+------------------+-----------------------+-------------------+ | root | localhost | N | 2018-01-05 16:54:02 | 0 | | mysql.sys | localhost | N | 2017-01-07 16:49:55 | NULL | | root | % | N | 2017-01-12 17:21:08 | NULL | | zabbix_monitor | localhost | N | 2017-05-08 09:45:40 | NULL | +----------------+-----------+------------------+-----------------------+-------------------+ 6 rows in set (0.00 sec)
创建一个有效期30天的用户 create user tt@'%' identified by '123456' password expire interval 30 day; mysql> select user,host,password_expired,password_last_changed,password_lifetime from mysql.user; +-----------+------------+------------------+-----------------------+-------------------+ | user | host | password_expired | password_last_changed | password_lifetime | +-----------+------------+------------------+-----------------------+-------------------+ | root | localhost | N | 2017-12-28 15:59:39 | NULL | | mysql.sys | localhost | N | 2017-12-28 11:42:12 | NULL | | mysync | 10.73.86.% | N | 2017-12-28 16:11:49 | NULL | | tt | % | N | 2018-01-08 12:59:08 | 30 | +-----------+------------+------------------+-----------------------+-------------------+
参考
mysql-5.7 密码过期详解 http://www.mamicode.com/info-detail-2042849.html
Mysql 5.7 账户过期设置 - CSDN博客 http://blog.csdn.net/jc_benben/article/details/77934469
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