Merge work:/home/bk/mysql-4.0 into hundin.mysql.fi:/my/bk/mysql-4.0
Docs/manual.texi: Auto merged
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@ -16166,8 +16166,8 @@ Access denied for user: 'root@@localhost' (Using password: YES)
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It means that you are using a wrong password. @xref{Passwords}.
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If you have forgot the root password, you can restart @code{mysqld} with
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@code{--skip-grant-tables} to change the password. You can find more
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about this option later on in this manual section.
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@code{--skip-grant-tables} to change the password.
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@xref{Resetting permissions}.
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If you get the above error even if you haven't specified a password,
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this means that you a wrong password in some @code{my.ini}
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@ -36676,7 +36676,7 @@ unless you know what you are doing!
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@item
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The minimum length of words to be indexed is defined by the MySQL
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variable @code{ft_min_word_length}. @xref{SHOW VARIABLES}.
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variable @code{ft_min_word_len}. @xref{SHOW VARIABLES}.
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Change it to the value you prefer, and rebuild your @code{FULLTEXT} indexes.
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(This variable is only available from MySQL version 4.0.)
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@ -47134,7 +47134,7 @@ with a zero.
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@menu
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* Crashing:: What To Do If MySQL Keeps Crashing
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* Resetting permissions:: How to Reset a Forgotten Password
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* Resetting permissions:: How to Reset a Forgotten Root Password
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* Full disk:: How MySQL Handles a Full Disk
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* Temporary files:: Where MySQL Stores Temporary Files
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* Problems with mysql.sock:: How to Protect @file{/tmp/mysql.sock} from Being Deleted
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@ -47330,43 +47330,68 @@ it helps!
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@node Resetting permissions, Full disk, Crashing, Administration Issues
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@appendixsubsec How to Reset a Forgotten Password
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@appendixsubsec How to Reset a Forgotten Root Password
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@cindex passwords, forgotten
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@cindex passwords, resetting
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@cindex root user, password resetting
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If you have forgotten the @code{root} user password for MySQL, you
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can restore it with the following procedure:
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If you never set a @code{root} password for MySQL, then the server will
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not require a password at all for connecting as @code{root}. It is
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recommended to always set a password for each user. @xref{Security}.
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If you have set a @code{root} password, but forgot what it was, you can
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set a new password with the following procedure:
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@enumerate
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@item
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Take down the @code{mysqld} server by sending a @code{kill} (not @code{kill
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-9}) to the @code{mysqld} server. The pid is stored in a @file{.pid}
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file, which is normally in the MySQL database directory:
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@example
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kill `cat /mysql-data-directory/hostname.pid`
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shell> kill `cat /mysql-data-directory/hostname.pid`
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@end example
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You must be either the Unix @code{root} user or the same user the server
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You must be either the Unix @code{root} user or the same user @code{mysqld}
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runs as to do this.
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@item
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Restart @code{mysqld} with the @code{--skip-grant-tables} option.
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@item
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Connect to the @code{mysqld} server with @code{mysql -h hostname mysql} and change
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the password with a @code{GRANT} command. @xref{GRANT,,@code{GRANT}}.
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You can also do this with
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@code{mysqladmin -h hostname -u user password 'new password'}
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Set a new password with the @code{mysqladmin password} command:
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@example
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shell> mysqladmin -u root password 'mynewpassword'
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@end example
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@item
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Load the privilege tables with: @code{mysqladmin -h hostname
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flush-privileges} or with the SQL command @code{FLUSH PRIVILEGES}.
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Now you can either stop @code{mysqld} and restart it normally,
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or just load the privilege tables with:
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@example
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shell> mysqladmin -h hostname flush-privileges
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@end example
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@item
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After this, you should be able to connect using the new password.
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@end enumerate
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Note that after you started @code{mysqld} with @code{--skip-grant-tables},
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any usage of @code{GRANT} commands will give you an @code{Unknown command}
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error until you have executed @code{FLUSH PRIVILEGES}.
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Alternatively, you can set the new password using the @code{mysql} client:
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@enumerate
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@item
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Take down and restart @code{mysqld} with the @code{--skip-grant-tables}
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option as described above.
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@item
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Connect to the @code{mysqld} server with:
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@example
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shell> mysql -u root mysql
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@end example
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@item
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Issue the following commands in the @code{mysql} client:
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@example
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mysql> UPDATE user SET Password=PASSWORD('mynewpassword')
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-> WHERE User='root';
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mysql> FLUSH PRIVILEGES;
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@end example
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@item
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After this, you should be able to connect using the new password.
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@item
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You can now stop @code{mysqld} and restart it normally.
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@end enumerate
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@node Full disk, Temporary files, Resetting permissions, Administration Issues
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