1、停用MySQL服務:# service mysql stop
2、輸入命令: # mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
3、登入數據庫: #mysql -u root mysql
4、mysql> user mysql;
5、查詢user表中的結果(select user,host,password from user;),刪除表中查詢到的空用戶(delete from user where user ='');
6、退出數據庫: mysql>quit
7、啟動mysql 服務: # service mysql start;
8、重新用命令'mysql -u root -p'登錄,OK!