How Do I Fix the MySQL 'ERROR 1045: Access Denied for user 'root'@'localhost'' Error?

Troubleshooting "ERROR 1045: Access Denied for User 'root'@'localhost'"

For users seeking guidance on resolving the "ERROR 1045: Access denied for user 'root'@'localhost'" encountered while installing software on Ubuntu, this question-and-answer format provides clear instructions.

Question:

After following installation steps for MySQL-related packages, I receive an "Access denied for user 'root'@'localhost'" error when attempting to import a SQL script. How can I resolve this issue?

Answer:

MySQL Versions Prior to 5.7:

1. Verify Password: By default, the MySQL root password is blank during initial installation. Try logging in without specifying a password:

   mysql -u root

2. Set Root Password: Change the root password for security:

   mysqladmin -u root password [newpassword]

3. Create User Accounts: For increased security, consider creating individual user accounts for database management.

MySQL Versions 5.7 and Above:

Refer to Lahiru's more current answer within the same thread for instructions applicable to MySQL versions 5.7 onwards.

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