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     #  myql
    >   use mysql;
    >   UPDATE user SET password=password('123456') WHERE user='root'; //ÃÜÂëÐÞ¸ÄΪ123456;
    >  FLUSH PRIVILEGES;
    > quit;//Í˳ömysql
4. ÖØÆômysql :  /etc/init.d/mysql restart
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