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By Boby at 2004-11-15 16:40
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This tutorial is written in two ways. One way is for the compiled MySQL and one for the installed MySQL by RPM [tested only in Fedora]. It's not big deal, but I hope it is accessible also to newbies because the directory's change in both examples.
--------------------
If you compiled MySQL by yourself, go this way:
Maybe you have to change the directory where you installed MySQL (here it's /usr/local/mysql/ ).
1. Gain root access to your Linux system
Code:
[boby@space boby]$ su -
Password:
[root@space root]#
2. First you have to stop the daemon
Code:
[root@space root]# /etc/init.d/mysql.server stop
[root@space root]#
3. You will now start MySQL in safe mode without reading the grant tables with all MySQL database passwords and also you will disable networking. The "safe_mysqld" command will do this trick for you.
Code:
[root@space root]# /usr/local/mysql/bin/safe_mysqld --user=mysql --skip-grant-tables --skip-networking &
[root@space root]#
4. The "mysqladmin" command can now reset the root password. In this case we are setting it to "newpassword".
Code:
[root@space root]# /usr/local/mysql/bin/mysqladmin -u root flush-privileges password "newpassword"
[root@space root]#
5. And finally restart the daemon
Code:
[root@space root]# /etc/init.d/mysql.server restart
[root@space root]#
6. You can use now your new root password
Code:
[root@space root]# /usr/local/mysql/bin/mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2 to server version: 4.0.20-standard
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
mysql>
--------------------
If you installed MySQL by RPM or use the package that comes with the distribution, go this way:
1. Gain root access to your Linux system
Code:
[boby@space boby]$ su -
Password:
[root@space root]#
2. First you have to stop the daemon
Code:
[root@space root]# /etc/init.d/mysqld stop
[root@space root]#
3. You will now start MySQL in safe mode without reading the grant tables with all MySQL database passwords and also you will disable networking. The "safe_mysqld" command will do this trick for you.
Code:
[root@space root]# /usr/bin/safe_mysqld --user=mysql --socket=/var/lib/mysql/mysql.sock --pid-file=/var/run/mysqld/mysqld.pid --datadir=/var/lib/mysql
--skip-grant-tables --skip-networking &
[root@space root]#
4. The "mysqladmin" command will now reset[rewrite] the root password. In this case we are setting it to "newpassword".
Code:
[root@space root]# mysqladmin -u root flush-privileges password "newpassword"
[root@space root]#
5. Stop the running daemon
Code:
kill `cat /var/run/mysqld/mysqld.pid`
6. And finally restart it
Code:
[root@space root]# /etc/init.d/mysqld start
[root@space root]#
7. You can use now your new root password
Code:
[root@space root]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2 to server version: 4.0.20-standard
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
mysql>
--------------------
Hope this helped you!
Please post any mistakes or if I forgot something.
Boby
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I'm using Fedora Core 9 with a preinstalled version of MySql, When i tried it this is wat i got
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[root@amidu /]# /usr/bin/mysqld_safe --user=mysql --socket=/var/lib/mysql/mysql.sock --pid --skip-grant-tables --skip-networking &
[1] 9789
[root@amidu /]# nohup: ignoring input and redirecting stderr to stdout
Starting mysqld daemon with databases from /var/lib/mysql
--------------
It then suspends forever, what could be the cause?