MySQL

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Reset forgotten MySQL root password

If you have forgotten your MySQL root password then don't worry. You can reset your lost password. Here is the procedure.

1. Login as root.

2. Kill running MySQL process and stop the MySQL service.

[[email protected] root]# killall mysqld
[[email protected] root]# /usr/libexec/mysqld -Sg --user=root &

3. Restart MySQL server with these parameters

[[email protected] root]# mysqld --skip-grant-tables --user=root

4. Manually set root password in the table "user" of "mysql" database.

[[email protected] root]# mysql

Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 1 to server version: 3.23.41
Type 'help;' or 'h' for help. Type 'c' to clear the buffer.

mysql> USE mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed

mysql> UPDATE user
-> SET password=password("newpassword")
-> WHERE user="root";

Query OK, 2 rows affected (0.04 sec)
Rows matched: 2 Changed: 2 Warnings: 0

mysql> flush privileges;
Query OK, 0 rows affected (0.01 sec)

mysql> exit;

[[email protected] root]# killall mysqld

5. Restart MySQL again

[[email protected] root]# /etc/init.d/mysqld start

Now your root password is set and you can now login as root using the password you have just created.

[[email protected] root]# mysql -u root -p
Enter Password: "newpassword"

If you again forget your root password don't worry just check this link again :)

How to configure MySQL

By default the root password for MySQL is blank, but it is not safe.

Set the root password by entering the following in terminal.

mysqladmin -u root -p password 'password'

This will set the root password.

Now you can login to the MySQL using the password you have just created.

mysql -u root -p

This will ask you for the root password, just enter the password to access the MySQL console.

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