mysql密碼和登錄問題

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)

解決辦法：

#修改數(shù)據(jù)庫root用戶口令

# mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
# mysql -u root mysql
mysql> UPDATE user SET Password=PASSWORD('newpassword') where USER='root';
mysql> FLUSH PRIVILEGES;
mysql> quit

# /etc/init.d/mysqld restart
# mysql -uroot -p
Enter password:

mysql>

#使root用戶可以遠程登錄
GRANT ALL PRIVILEGES ON *.* TO root@"%" IDENTIFIED BY "mysql";
flush privileges;

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