mysql connection errors - Linux

Dear All,

最近WEB後台發生資料庫錯誤如下,要如何徹底解決這個問題呢?

SQLSTATE[HY000] [1129] Host '192.168.1.254' is blocked because of many
connection errors; unblock with 'mysqladmin flush-hosts'

Filename: controllers/sysAdmin/Main.php

Line Number: 132


Benson

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