When encountering issues with your application or system, follow these steps to identify and resolve common problems:

1. Check Server Logs

  • Logs Location: /var/log/your_app/ (Linux) or C:\ProgramData\your_app\logs\ (Windows)
  • Key Indicators: Look for error codes, stack traces, or timestamps near the issue occurrence.
  • 📌 Tip: Use tail -f (Linux) or PowerShell's Get-Content (Windows) to monitor logs in real-time.
server_error

2. Verify Network Connectivity

  • Test Ping: ping <hostname> to check if the server is reachable.
  • Check Ports: Ensure ports like 80 (HTTP) or 443 (HTTPS) are open.
  • 🛠 Tool: Use telnet or nc (Netcat) to test port accessibility.
network_issue

3. Common Errors & Solutions

  • 404 Not Found
    • Cause: Missing file or incorrect URL.
    • Fix: Verify the path exists or redirect to /learn/guides/advanced for advanced troubleshooting.
  • 500 Internal Server Error
    • Cause: Application crash or misconfiguration.
    • Fix: Restart the service or review /learn/guides/best_practices for setup recommendations.

4. Advanced Debugging

  • Enable debug mode: DEBUG=true node app.js (Node.js example).
  • Use tools like curl or Postman to test API endpoints.
  • 📚 Expand Your Knowledge: Learn about API debugging

For further assistance, refer to our documentation center. 🌐