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1. KILLµôϵͳÀïµÄMySQL½ø³Ì£»
killall -TERM mysqld
2. ÓÃÒÔÏÂÃüÁîÆô¶¯MySQL£¬ÒÔ²»¼ì²éȨÏ޵ķ½Ê½Æô¶¯£»
safe_mysqld --skip-grant-tables &
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mysql -u root
4. ÐÞ¸ÄrootÓû§µÄÃÜÂ룻
mysql> update mysql.user set password=PASSWORD('ÐÂÃÜÂë') where User='root';
mysql> flush privileges;
mysql> quit
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1. Í£Ö¹mysqld£»
  sudo /etc/init.d/mysql stop
(Äú¿ÉÄÜÓÐÆäËüµÄ·½·¨,×Üֹ֮ͣmysqldµÄÔËÐоͿÉÒÔÁË)
2. ÓÃÒÔÏÂÃüÁîÆô¶¯MySQL£¬ÒÔ²»¼ì²éȨÏ޵ķ½Ê½Æô¶¯£»
mysqld --skip-grant-tables &
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mysql -u root
4. ÐÞ¸ÄrootÓû§µÄÃÜÂ룻
mysql> update mysql.user set password=PASSWORD('newpassword') where User='root';
mysql> flush privileges;
mysql> quit
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/etc/init.d/mysql restart
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