CentOS命令登錄MySQL時，報錯ERROR 1045 (28000): Access denied for user root@localhost (using password: NO)錯誤解決方法
1、停用mysql服務：# /etc/rc.d/init.d/mysqld 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> use mysql;結果如下：
Database changed 5、mysql> UPDATE user SET Password=PASSWORD('newpassword')where USER='newuser'; 結果如下：
Query OK, 3 rows affected (0.00 sec) Rows matched: 3 Changed: 3 Warnings: 0
mysql>FLUSH PRIVILEGES;
結果如下：
Query OK, 0 rows affected (0.00 sec)
mysql> quit
# /etc/rc.d/init.d/mysqld restart
# mysql -u newuser–p
Enter password:newpassword
mysql><登錄成功>