Common Pitfalls and Solutions in Linux Kernel Driver Debugging

Common Pitfalls and Solutions in Linux Kernel Driver Debugging

This article is an excellent post from the Kanxue Forum Kanxue Forum Author ID:Vinadiak 0x00 Background Recently, I have been learning Linux kernel debugging and after setting up the QEMU environment following the tutorial by Chao Sir, I was excited to start my kernel debugging journey. However, I encountered many obstacles that I couldn’t resolve … Read more

Detailed Guide to Setting Up Crontab on OpenWrt Router

Detailed Guide to Setting Up Crontab on OpenWrt Router

Background Currently, many universities implement a one-device policy in dormitories, where each person must have their own internet connection, and only two devices are allowed to connect. This is said to be for better network management and to trace individual usage. However, it is quite absurd, as the internet fees are high, and usage is … Read more

Installing OpenWRT on VMware: A Step-by-Step Guide

Installing OpenWRT on VMware: A Step-by-Step Guide

Prerequisites The host must support intel virtual technology, which is Intel’s virtualization technology. You can check and set this in the BIOS. If you encounter the following image during the installation of openwrt, it indicates that the settings were not configured or were configured but not saved. Installing VMware We go to the official website … Read more

Raspberry Pi Tutorial Lesson 9: Using Linux, Nano, and Vi Editors

The following video is provided by Tree Information Technology. 【Copyright Statement】 Authorized by Tree Technology for reprint, this account aims to disseminate quality resources to better meet the needs of Raspberry Pi enthusiasts. This work is publicly reprinted, source Bilibili, open from the original text. The course is Python programming for Raspberry Pi, recommended for … Read more

Four-Legged Robot High Computing Power, Low-Cost Control: Applying RT Patch to Raspberry Pi

Four-Legged Robot High Computing Power, Low-Cost Control: Applying RT Patch to Raspberry Pi

Previously, the development of four-legged robots was mainly based on microcontrollers. Currently, the overall price of STM32 has risen, making it very difficult to select the main controller chip. Additionally, the computing power of microcontrollers is still insufficient for four-legged robots. Currently, the control frequency of the entire robot’s code execution has significantly decreased compared … Read more

Creating a Customized OpenWRT Router with Raspberry Pi CM4

Creating a Customized OpenWRT Router with Raspberry Pi CM4

Unlocknew skills with the Raspberry Pi! Revive your dusty Raspberry Pi! Everyone is welcome to participate Digi-Key Electronics in collaboration with DFRobot and a group of technical experts are hosting a Creative and Technical “Pi” Event! We will share rich experiences and skills in Raspberry Pi application development through 8 technical themed video lectures. You … Read more

Getting Started with Raspberry Pi B: Installing the Basic System (Part 2)

Getting Started with Raspberry Pi B: Installing the Basic System (Part 2)

The Raspberry Pi can be used to build a system from scratch or to play around with an existing system. For beginners, it is certainly easier to start with an existing system. Later on, one can compile the kernel, debug it, and build their own root filesystem (rootfs). I will also introduce some basic commands, … Read more

Introduction to Raspberry Pi

Introduction to Raspberry Pi

Do you know about the Raspberry Pi? It’s not a dessert, but a computer that’s only the size of a credit card. If you’re a technical beginner, come and listen to this episode of “Raspberry Pi” shared by Zhang Hongjie, the algorithm director of the R&D department. The Raspberry Pi is an embedded Linux board … Read more

No Public IP Needed! Access Local Sites Anytime with Raspberry Pi and Nginx

No Public IP Needed! Access Local Sites Anytime with Raspberry Pi and Nginx

Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join the 1000-member technical exchange QQ group Note: [Public Account] for faster access 1. Installing Nginx Installing Nginx on the Raspberry Pi is also quite simple. You can install it directly using the apt command. First, update the repository. sudo apt update Install … Read more

Raspberry Pi | Linux Commands

Raspberry Pi | Linux Commands

Click the above “Mechanical and Electronic Engineering Technology” to follow us 1. System Management Update the package list: sudo apt update Upgrade installed packages: sudo apt upgrade Install new packages: sudo apt install <package_name> Remove packages: sudo apt remove <package_name> Clean up unnecessary packages and cache: sudo apt autoremove Find packages: apt search <keywords> View … Read more