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MySQL password freaked out

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#1 dgwade

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Posted 08 March 2003 - 11:27 PM

I was setting up mySQL on a server of mine, running Red Hat 8, and when I changed the password for the root user, something freaked. I know exactly what was typed in for the password, because it\'s done on the command-line. Is there some kind of file I can get into to change it like on Windows?

Thanks forthe help. 8)

#2 shivabharat

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Posted 08 March 2003 - 11:36 PM

How to Reset a Forgotten Root Password

If you never set a root password for MySQL, then the server will not require a password at all for connecting as root. It is recommended to always set a password for each user. See Security.

If you have set a root password, but forgot what it was, you can set a new password with the following procedure:

1.Take down the mysqld server by sending a kill (not kill -9) to the mysqld server. The pid is stored in a .pid file, which is normally in the MySQL database directory:

shell> kill `cat /mysql-data-directory/hostname.pid`

You must be either the Unix root user or the same user mysqld runs as to do this.

2.Restart mysqld with the --skip-grant-tables option.

3.Set a new password with the mysqladmin password command:

shell> mysqladmin -u root password \'mynewpassword\'

4.Now you can either stop mysqld and restart it normally, or just load the privilege tables with:

shell> mysqladmin -h hostname flush-privileges

5.After this, you should be able to connect using the new password.

Alternatively, you can set the new password using the mysql client:

1.Take down and restart mysqld with the --skip-grant-tables option as described above.

2.Connect to the mysqld server with:

shell> mysql -u root mysql

3.Issue the following commands in the mysql client:

mysql> UPDATE user SET Password=PASSWORD(\'mynewpassword\')
-> WHERE User=\'root\';

4. After this, you should be able to connect using the new password.

5.You can now stop mysqld and restart it normally.

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