The methods for basic Linux learning from scratch include: 1. Understand the file system and command line interface, 2. Master basic commands such as ls, cd, mkdir, 3. Learn file operations, such as creating and editing files, 4. Explore advanced usage such as pipelines and grep commands, 5. Master debugging skills and performance optimization, 6. Continuously improve skills through practice and exploration.

You can open phpMyAdmin through the following steps: 1. Log in to the website control panel; 2. Find and click the phpMyAdmin icon; 3. Enter MySQL credentials; 4. Click "Login".

How to connect to MySQL using phpMyAdmin? The URL to access phpMyAdmin is usually http://localhost/phpmyadmin or http://[your server IP address]/phpmyadmin. Enter your MySQL username and password. Select the database you want to connect to. Click the "Connection" button to establish a connection.

The steps to start a Redis server include: Install Redis according to the operating system. Start the Redis service via redis-server (Linux/macOS) or redis-server.exe (Windows). Use the redis-cli ping (Linux/macOS) or redis-cli.exe ping (Windows) command to check the service status. Use a Redis client, such as redis-cli, Python, or Node.js, to access the server.

The methods for viewing SQL database errors are: 1. View error messages directly; 2. Use SHOW ERRORS and SHOW WARNINGS commands; 3. Access the error log; 4. Use error codes to find the cause of the error; 5. Check the database connection and query syntax; 6. Use debugging tools.

The key to PHPMyAdmin security defense strategy is: 1. Use the latest version of PHPMyAdmin and regularly update PHP and MySQL; 2. Strictly control access rights, use .htaccess or web server access control; 3. Enable strong password and two-factor authentication; 4. Back up the database regularly; 5. Carefully check the configuration files to avoid exposing sensitive information; 6. Use Web Application Firewall (WAF); 7. Carry out security audits. These measures can effectively reduce the security risks caused by PHPMyAdmin due to improper configuration, over-old version or environmental security risks, and ensure the security of the database.

phpMyAdmin is not just a database management tool, it can give you a deep understanding of MySQL and improve programming skills. Core functions include CRUD and SQL query execution, and it is crucial to understand the principles of SQL statements. Advanced tips include exporting/importing data and permission management, requiring a deep security understanding. Potential issues include SQL injection, and the solution is parameterized queries and backups. Performance optimization involves SQL statement optimization and index usage. Best practices emphasize code specifications, security practices, and regular backups.

The five pillars of the Linux system are: 1. Kernel, 2. System library, 3. Shell, 4. File system, 5. System tools. The kernel manages hardware resources and provides basic services; the system library provides precompiled functions for applications; the shell is the interface for users to interact with the system; the file system organizes and stores data; and system tools are used for system management and maintenance.