3.1. Supported linux image types and kernel versions
3.2. Linux kernel driver adaptation
3.3. The format of linux commands in this manual
3.4. Linux system login instructions
3.4.1. Linux system default login account and password
3.4.2. How to set automatic terminal login in linux system
3.4.3. Instructions for automatic login of linux desktop version system
3.4.4. The setting method of root user automatic login in Linux desktop version system
3.4.5. The method of disabling the desktop in the Linux desktop version system
3.5. Onboard LED Light Test Instructions
3.6. Instructions for operating the rootfs partition capacity of the linux system in the TF card
3.6.1. The first startup will automatically expand the capacity of the rootfs partition in the TF card
3.6.2. The method of prohibiting automatic expansion of the capacity of the rootfs partition in the TF card
3.6.3. The method of manually expanding the capacity of the rootfs partition in the TF card
3.6.4. How to reduce the capacity of the rootfs partition in the TF card
3.7. Network connection test
3.7.1. Ethernet port test
3.7.2. WIFI connection test
3.7.3. The method of creating WIFI hotspot through create_ap
3.7.4. How to set static IP address
3.7.5. The method of setting the Linux system to automatically connect to the network for the first time
3.8. SSH remote login development board
3.8.1. SSH remote login development board under Ubuntu
3.8.2. SSH remote login development board under Windows
3.9. HDMI test
3.9.1. HDMI display test
3.9.2. HDMI to VGA display test
3.9.3. How to set HDMI resolution in Linux5.4 system
3.9.4. How to Modify the Framebuffer Width and Height of Linux5.4 System
3.9.5. Framebuffer Cursor Setting
3.10. How to use Bluetooth
3.10.1. Test method of desktop image
3.10.2. How to use the server image
3.11. USB interface test
3.11.1. Connect USB mouse or keyboard to test
3.11.2. Connect USB storage device test
3.11.3. USB Ethernet card test
3.11.4. USB camera test
3.12. Audio Test
3.12.1. How to play audio using the command line
3.12.2. Testing audio methods on desktop systems
3.13. Infrared receiving test
3.14. Temperature sensor
3.15. 13 Pin Description of the Pin Expansion Board Interface
3.16. 26 Pin Interface Pin Description
3.17. How to install wiringOP
3.18. 26pin interface GPIO, I2C, UART, SPI and PWM test
3.18.1. 26pin GPIO port test
3.18.2. 26 How to set the pull-down resistance of pin GPIO port
3.18.3. 26pin SPI test
3.18.4. 26pin I2C test
3.18.5. 26pin UART test
3.18.6. PWM test method
3.19. How to install and use wiringOP-Python
3.19.1. How to install wiringOP-Python
3.19.2. 26pin GPIO port test
3.19.3. 26pin SPI test
3.19.4. 26pin I2C test
3.19.5. 26pin UART test
3.20. Hardware Watchdog Test
3.21. Check the chipid of the H618 chip
3.22. Python related instructions
3.22.1. Python source code compilation and installation method
3.22.2. Python to replace the pip source method
3.23. The Method Of Installing The Docker
3.24. How to install Home Assistant
3.24.1. Install via docker
3.24.2. Install via python
3.25. OpenCV installation method
3.25.1. Use apt to install OpenCV
3.26. The installation method of the aapanel Linux panel
3.27. face_recognition The installation and testing method of the face recognition library
3.27.1. The method of using script to automatically install face_recognition
3.27.2. Manually install face_recognition
3.27.3. The test method of face_recognition
3.28. Setting Chinese environment and installing Chinese input method
3.28.1. How to install Debian system
3.28.2. How to install Ubuntu 20.04 system
3.28.3. How to install Ubuntu 22.04 system
3.29. How to Remotely Log In to the Desktop of Linux System
3.29.1. Remote login using NoMachine
3.29.2. Log in remotely using VNC
3.30. How to install QT
3.31. How to install ROS
3.31.1. How to install ROS 1 Noetic on Ubuntu 20.04
3.31.2. How to install ROS 2 Galactic on Ubuntu 20.04
3.31.3. How to install ROS 2 Humble on Ubuntu 22.04
3.32. How to install the kernel header file
3.33. Some programming language tests supported by Linux system
3.33.1. Debian Bullseye System
3.33.2. Debian Bookworm System
3.33.3. Ubuntu Focal System
3.33.4. Ubuntu Jammy System
3.34. The method of uploading files to the Linux system of the development board
3.34.1. How to upload files to the development board Linux system in Ubuntu PC
3.34.2. How to upload files to the development board Linux system in Windows PC
3.35. Instructions for using the switch logo
3.36. How to shut down and restart the development board
