Resetting mysql root Password (available for test)

Note! .

1. Prerequisites

First, make sure that the server is in a secure state, that is, no one can connect to the MySQL database at will.
Because, during the resetting of the MySQL root Password, the MySQL database is completely out of password-free
Other users can log on to and modify MySQL information as needed. You can use
The external port is closed, and Apache and all user processes are stopped to implement server quasi-security.
Status. The safest status is to operate on the server Console and unplug the network cable.

2. Modify MySQL Logon Settings:
# Vi/etc/my. cnf
In the [mysqld] section, add skip-grant-tables.
For example:
[Mysqld]
Datadir =/var/lib/mysql
Socket =/var/lib/mysql. sock
Skip-grant-tables
Save and exit vi.

3. Restart mysqld as follows:
#/Etc/init. d/mysqld restart
StoppingMySQL: [OK]
Starting MySQL: [OK]

Other restart operations

Service mysqld [start/stop/reboot]

4. log on to and modify the MySQL root Password
#/Usr/bin/mysql
Welcome to the MySQL monitor. Commands end with; or \ g.
Your MySQL connection id is 3 to server version: 3.23.56
Type 'help; 'or' \ H' for help. Type '\ C' to clear the buffer.
Mysql> USE mysql;
Reading table information for completion oftable and column names
You can turn off this feature to get aquicker startup with-
Database changed
Mysql> UPDATE user SET Password = password ('new-password') WHERE User = 'root ';
Query OK, 0 rows affected (0.00 sec)
Rowsmatched: 2 Changed: 0 Warnings: 0
Mysql> flush privileges;
Query OK, 0 rows affected (0.01 sec)
Mysql> quit
Bye

5. Modify the MySQL Logon Settings.
# Vi/etc/my. cnf
Delete the skip-grant-tables added to the [mysqld] section.
Save and exit vi.

6. Restart mysqld
#/Etc/init. d/mysqld restart
StoppingMySQL: [OK]
Starting MySQL: [OK]

Root Password Reset successful!