"# 添加额外管理员，system作为管理员，oldsuo为密码 mysql> delete from mysql.user; Query OK, 2 rows affected (0.00 sec) mysql> grant all privileges on . to system@'localhost' identified by 'oldsuo' with grant option; Query OK, 0 rows affected (0.00 sec)

刷新MySQL的系统权限相关表，使配置生效

mysql> flush privileges; Query OK, 0 rows affected (0.00 sec) mysql> select user,host from mysql.user; +--------+-----------+ | user | host | +--------+-----------+ | system | localhost | +--------+-----------+ 1 row in set (0.00 sec) mysql>"