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# /etc/rc.d/init.d/mysql stop
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# mysql mysql
mysql> UPDATE user SET password=password('123456') WHERE user='root';
mysql> FLUSH PRIVILEGES;
mysql> exit
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killall mysqld
#/etc/rc.d/init.d/mysqld
# mysql -u root -p
Enter password:
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mysql>update user set password=password('newpassword') where user='root';
mysql>q
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/usr/local/mysql/support-files
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[root@localhost ~]# cd /etc/rc.d/init.d
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[root@localhost init.d]# cp /usr/local/mysql/support-files/mysql.server mysql
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mysql Êý¾Ý¿âжÔز»ÍêÈ«£¬ÅäÖóö´í½â¾ö°ì·¨

The security settings could not be applied to the database because the connection has failed with the following error.
Error Nr. 2003
Can't connect to MySQL server on 'localhost' (10061)
If a personal firewall is running on your machine, please make sure you have opened the TCP port 3306 for conn ......

Mysql֪ʶµã×ܽ᣺Flush privileges

mysql> flush privileges;ʲôÒâ˼£¿­
mysql> update mysql.user set password=PASSWORD('ÐÂÃÜÂë') where User='root';­
mysql> flush privileges;­
mysql> quit­
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