mysql5.7.13安装密码过期问题
service mysql stop bin/mysqld_safe --skip-grant-tables --skip-networking & mysql select user,host,authentication_string,password_expired from mysql.user; update user set authentication_string=password('admin123') where user='root'; update user set password_expired='N' where user='root'; select user,host,authentication_string,password_expired from user; filush privileges; exit;