>>> 
#在控制台上输入 
bash$ mysql -u root mysql 
#用mysql客户程序 
mysql> UPDATE user SET password=PASSWORD("new password") WHERE user=huchi; 
mysql> FLUSH PRIVILEGES; 
mysql> QUIT 
<<<

>>> 
#在控制台上输入 
bash$ mysql -u root mysql 
mysql> SET PASSWORD FOR hunte=PASSWORD(new password); 
mysql> QUIT 
<<<

>>> 
#直接在控制台上输入 
bash$ mysqladmin -u root "old password" "new password" 
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