Table of Contents
Step 1: Stop the MySQL Server
Step 2: Start MySQL in Skip-Grant-Tables Mode
Step 3: Log in and Change the Password
Step 4: Restart MySQL Normally
Home Database Mysql Tutorial Resetting the root password for MySQL server

Resetting the root password for MySQL server

Jul 03, 2025 am 02:32 AM
mysql reset Password

To reset MySQL's root password, follow the following steps: 1. Stop the MySQL server, use sudo systemctl stop mysql or sudo systemctl stop mysqld; 2. Start MySQL in --skip-grant-tables mode, execute sudo mysqld --skip-grant-tables &; 3. Log in to MySQL and execute the corresponding SQL command to modify the password according to the version, such as FLUSH PRIVILEGES; ALTER USER 'root'@'localhost' IDENTIFIED BY 'your_new_password'; or UPDATE mysql.user SET authentication_string=PASSWORD('your_new_password') WHERE User='root'; FLUSH PRIVILEGES; 4. Restart MySQL service normally, exit the MySQL shell first, then use sudo kill $(pgrep mysqld) to stop the temporary instance, and finally use sudo systemctl to restart the service.

Resetting the root password for MySQL server

If you've lost the root password for your MySQL server, don't panic — it's possible to reset it without too much trouble. The key is to temporarily bypass the normal authentication system so you can set a new password. This process works best if you have access to the server machine and sudo privileges.

Resetting the root password for MySQL server

Step 1: Stop the MySQL Server

Before you can reset the password, you need to stop the running MySQL instance. If it's currently active, stopping it will allow you to restart it in a special mode.

Resetting the root password for MySQL server
  • On most Linux systems, you can do this with:

     sudo systemctl stop mysql

    Or, if you're on a system using mysqld :

    Resetting the root password for MySQL server
     sudo systemctl stop mysqld

Once the service is stopped, you're ready to move on to starting MySQL without loading the usual security restrictions.


Step 2: Start MySQL in Skip-Grant-Tables Mode

This step is cruel. Starting MySQL with the --skip-grant-tables option tells it not to load the permission system, which means you can log in without a password.

  • You can start it manually like this:

     sudo mysqld --skip-grant-tables &

    (The & at the end sends the process to the background.)

Now you'll be able to connect to MySQL as root without any password.

Note: Make sure no other users or applications are trying to access the database during this time, as this leaves it vulnerable.


Step 3: Log in and Change the Password

With MySQL running in safe mode, connect to it:

 mysql -u root

You'll go straight into the MySQL prompt. From there, run the following SQL commands to update the root password.

  • For MySQL 5.7 or 8.0:

     FLUSH PRIVILEGES;
    ALTER USER 'root'@'localhost' IDENTIFIED BY 'your_new_password';
  • If you're using an older version:

     UPDATE mysql.user SET authentication_string=PASSWORD('your_new_password') WHERE User='root';
    FLUSH PRIVILEGES;

Make sure to replace 'your_new_password' with something secure.


Step 4: Restart MySQL Normally

After setting the new password, shut down the temporary MySQL instance and restart the service normally.

  • First, exit the MySQL shell:

     exit;
  • Then stop the manual instance:

     sudo kill $(pgrep mysqld)
  • And restart the service:

     sudo systemctl start mysql

Or again, use mysqld instead if that's what your system uses.

Try logging back in with your new password:

 mysql -u root -p

That's basically it. It's a straightforward process once you know the steps, but easy to forget if you haven't done it in a while. Just remember to always keep your credentials secure afterward — resetting passwords shouldn't be a regular thing.

The above is the detailed content of Resetting the root password for MySQL server. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undress AI Tool

Undress AI Tool

Undress images for free

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Strategies for MySQL Query Performance Optimization Strategies for MySQL Query Performance Optimization Jul 13, 2025 am 01:45 AM

MySQL query performance optimization needs to start from the core points, including rational use of indexes, optimization of SQL statements, table structure design and partitioning strategies, and utilization of cache and monitoring tools. 1. Use indexes reasonably: Create indexes on commonly used query fields, avoid full table scanning, pay attention to the combined index order, do not add indexes in low selective fields, and avoid redundant indexes. 2. Optimize SQL queries: Avoid SELECT*, do not use functions in WHERE, reduce subquery nesting, and optimize paging query methods. 3. Table structure design and partitioning: select paradigm or anti-paradigm according to read and write scenarios, select appropriate field types, clean data regularly, and consider horizontal tables to divide tables or partition by time. 4. Utilize cache and monitoring: Use Redis cache to reduce database pressure and enable slow query

Using Common Table Expressions (CTEs) in MySQL 8 Using Common Table Expressions (CTEs) in MySQL 8 Jul 12, 2025 am 02:23 AM

CTEs are a feature introduced by MySQL8.0 to improve the readability and maintenance of complex queries. 1. CTE is a temporary result set, which is only valid in the current query, has a clear structure, and supports duplicate references; 2. Compared with subqueries, CTE is more readable, reusable and supports recursion; 3. Recursive CTE can process hierarchical data, such as organizational structure, which needs to include initial query and recursion parts; 4. Use suggestions include avoiding abuse, naming specifications, paying attention to performance and debugging methods.

Best Practices for Securing Remote Access to MySQL Best Practices for Securing Remote Access to MySQL Jul 12, 2025 am 02:25 AM

The security of remote access to MySQL can be guaranteed by restricting permissions, encrypting communications, and regular audits. 1. Set a strong password and enable SSL encryption. Force-ssl-mode=REQUIRED when connecting to the client; 2. Restrict access to IP and user rights, create a dedicated account and grant the minimum necessary permissions, and disable root remote login; 3. Configure firewall rules, close unnecessary ports, and use springboard machines or SSH tunnels to enhance access control; 4. Enable logging and regularly audit connection behavior, use monitoring tools to detect abnormal activities in a timely manner to ensure database security.

Choosing appropriate data types for columns in MySQL tables Choosing appropriate data types for columns in MySQL tables Jul 15, 2025 am 02:25 AM

WhensettingupMySQLtables,choosingtherightdatatypesiscrucialforefficiencyandscalability.1)Understandthedataeachcolumnwillstore—numbers,text,dates,orflags—andchooseaccordingly.2)UseCHARforfixed-lengthdatalikecountrycodesandVARCHARforvariable-lengthdata

How to use PHP to develop a Q&A community platform Detailed explanation of PHP interactive community monetization model How to use PHP to develop a Q&A community platform Detailed explanation of PHP interactive community monetization model Jul 23, 2025 pm 07:21 PM

1. The first choice for the Laravel MySQL Vue/React combination in the PHP development question and answer community is the first choice for Laravel MySQL Vue/React combination, due to its maturity in the ecosystem and high development efficiency; 2. High performance requires dependence on cache (Redis), database optimization, CDN and asynchronous queues; 3. Security must be done with input filtering, CSRF protection, HTTPS, password encryption and permission control; 4. Money optional advertising, member subscription, rewards, commissions, knowledge payment and other models, the core is to match community tone and user needs.

mysql common table expression (cte) example mysql common table expression (cte) example Jul 14, 2025 am 02:28 AM

CTE is a temporary result set in MySQL used to simplify complex queries. It can be referenced multiple times in the current query, improving code readability and maintenance. For example, when looking for the latest orders for each user in the orders table, you can first obtain the latest order date for each user through the CTE, and then associate it with the original table to obtain the complete record. Compared with subqueries, the CTE structure is clearer and the logic is easier to debug. Usage tips include explicit alias, concatenating multiple CTEs, and processing tree data with recursive CTEs. Mastering CTE can make SQL more elegant and efficient.

mysql temporary table vs memory table mysql temporary table vs memory table Jul 13, 2025 am 02:23 AM

Temporary tables are tables with limited scope, and memory tables are tables with different storage methods. Temporary tables are visible in the current session and are automatically deleted after the connection is disconnected. Various storage engines can be used, which are suitable for saving intermediate results and avoiding repeated calculations; 1. Temporary tables support indexing, and multiple sessions can create tables with the same name without affecting each other; 2. The memory table uses the MEMORY engine, and the data is stored in memory, and the restart is lost, which is suitable for cache small data sets with high frequency access; 3. The memory table supports hash indexing, and does not support BLOB and TEXT types, so you need to pay attention to memory usage; 4. The life cycle of the temporary table is limited to the current session, and the memory table is shared by all connections. When choosing, it should be decided based on whether the data is private, whether high-speed access is required and whether it can tolerate loss.

Setting up semi-synchronous replication in MySQL Setting up semi-synchronous replication in MySQL Jul 15, 2025 am 02:35 AM

The steps for setting MySQL semi-synchronous replication are as follows: 1. Confirm the version supports and load the plug-in; 2. Turn on and enable semi-synchronous mode; 3. Check the status and operation status; 4. Pay attention to timeout settings, multi-slave library configuration and master-slave switching processing. It is necessary to ensure that MySQL 5.5 and above versions are installed, rpl_semi_sync_master and rpl_semi_sync_slave plugins, enable corresponding parameters in the master and slave library, and configure automatic loading in my.cnf, restart the service after the settings are completed, check the status through SHOWSTATUS, reasonably adjust the timeout time and monitor the plug-in operation.

See all articles