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MySQLのrootパスワードを忘れて再更新 | プログラムの種 ブログ
Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /home/php-seed/www/blog/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

MySQLのrootパスワードを忘れて再更新


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /home/php-seed/www/blog/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

パスワードを忘れたというか、MySQLをインストールした時に設定したパスワードを入れてもログインできない!まあ同じ様なものですが(笑)

rootパスワードをリセットする方法、忘れがちなのでメモっておきます。

http://open-groove.net/mysql/forgetting-mysql-rootpass/

スタンダードな対処法
1.MySQLインスタンスを停止する。
2.認証スキップモードで起動する。セーフモード、ともいうらしい。

# /usr/bin/mysqld_safe –skip-grant-tables &

※mysqld_safeのパスは標準では上記のようになると思うが、環境によっては違うかも。

3.認証なしでログイン。

# mysql -u root

4.rootパスワードを更新

mysql > UPDATE mysql.user SET password=PASSWORD(‘new-passowrd’) WHERE User= ‘root’;
mysql > FLUSH PRIVILEGES;
mysql > ¥q

剣呑剣呑。

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