How to configure and install mysql

In Linux systems, follow the following steps to install MySQL: update the system package, install MySQL, and then start the service; in Windows systems, download the installation package from the official website and follow the prompts. MySQL configuration information is stored in the my.cnf or my.ini file. Common configuration items include listening IP address, port, number of concurrent connections, maximum packet size of a single SQL request, etc. In order to allow remote connections, the bind-address configuration needs to be modified; in order to increase the number of concurrent connections, the max_connections configuration needs to be modified. After modifying the configuration, you need to restart the MySQL service. You also need to pay attention to security when configuring

MySQL Installation and Configuration Guide

How to install MySQL?

In Linux systems, you can install MySQL through the following steps:

1. Update system packages: sudo apt-get update
2. Install MySQL: sudo apt-get install mysql-server
3. Start the MySQL service: sudo systemctl start mysql

In Windows system , you can install MySQL through the following steps:

1. Download the MySQL installation package from the MySQL official website
2. Double-click the installation package and follow the prompts
3. After the installation is completed, start Find the MySQL Control Center in the menu and start

How to configure MySQL?

The basic configuration information of MySQL is stored in the /etc/mysql/my.cnf file (Linux) or C:\ProgramData\MySQL\MySQL Server 8.0\ my.ini file (Windows).

Common configuration items

• bind-address: Monitoring IP address, default 127.0.0.1, Indicates that only local connections are allowed
• port: MySQL listening port, default 3306
• ##max_connections: Maximum allowed concurrency Number of connections, default 100
• max_allowed_packet: The maximum packet size allowed for a single SQL request, default 4MB
• innodb_buffer_pool_size: The buffer pool size used by the InnoDB storage engine, default 128MB

Configuration example

In order to allow For remote connections, you can modify

bind-address and the configuration is as follows:

<code>bind-address = 0.0.0.0</code>

In order to increase the number of concurrent connections, you can modify

max_connections and the configuration is as follows:

<code>max_connections = 200</code>

Modify After configuration, the MySQL service needs to be restarted for the changes to take effect:

Linux:
• sudo systemctl restart mysql
Windows: Restart the service in the MySQL Control Center

Other configuration considerations

Security: Ensure that the port MySQL listens on only allows access from trusted IP addresses
• Performance Optimization : Adjust
• innodb_buffer_pool_size and other configuration items based on server load and workload
Backup: Regularly back up the MySQL database to prevent data loss

The above is the detailed content of How to configure and install mysql. For more information, please follow other related articles on the PHP Chinese website!