【Python】pymysql.err.InternalError: (1236, 'Misconfigured master - server_id was not set')

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使用python连接mysql报错：

pymysql.err.InternalError: (1236, 'Misconfigured master - server_id was not set')

报错原因：my.cnf文件中没有设置server_id

查找文件命令：whereis my.cnf