Since I changed my job position, I haven’t researched reverse security for about 4 or 5 years. I thought I would have no connection with this profession again, but unexpectedly, today I had a chance to “enjoy” it again due to a random opportunity. Recently, my colleagues in the company have been constantly reporting that … Read more
In the previous section (HG533 Router Analysis Tutorial: Finding Hardware Debug Interface), we analyzed the hardware structure of the PCB and discovered a UART interface. Through this interface, we achieved a Linux shell management interface. In this section, we will use the methods proposed in the last section to access the device and further debug … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join the technical exchange QQ group with 1000 members, remark 【Official Account】 for faster approval 1. Basic Structure and Common Instructions of Dockerfile FROM – Specify Base Image FROM ubuntu:20.04 This instruction sets Ubuntu 20.04 as the base image. RUN – Execute Command … Read more
Author | Zhang Jiaqiu Liu Zhongjin 1 Introduction to BusyBox Components BusyBox is a commonly used component in embedded Linux, known as the “Swiss Army Knife of Embedded Linux.” It integrates commonly used UNIX commands into a single executable file. By streamlining functionality and sharing code, BusyBox retains the most commonly used features while significantly … Read more
This article is a featured article from the Kanxue ForumAuthor of Kanxue ForumID: Hu Yimi 1 Introduction In this article, we share some research content about the Loock Touch smart lock, which is produced by Yunding Technology. Yunding Technology is a company focused on the research and production of smart home security products, with two … Read more
Did you know that there are operating systems for computers other than Microsoft’s Windows? Some of you may have used Apple’s MacBook, which runs on macOS instead of Windows. Apart from these two, there is another well-known yet not-so-famous operating system in the world. It is well-known among IT professionals, but not commonly encountered by … Read more
Computer operating systems are basic software, divided into closed-source and open-source categories. Broadly, operating systems include: computer (PC, workstation, server) systems, mobile systems (e.g., HarmonyOS), and embedded systems. This article only addresses computer operating systems. The functional role of a computer operating system is to serve as an interface between users and computer hardware resources, … Read more
Having chosen software as a major, and understanding what software engineering is, we must talk about computer systems. Today, I will give everyone a brief introduction to computer systems. The computer system refers to the computer operating system: it is a system software in the computer system, a collection of program modules that manage and … Read more
It is often said that an operating system (OS) is one of the three great romances for programmers. We frequently use terms like “soul, brain, kernel, foundation” to describe it, highlighting its significance in the realm of computing. In practical work, this is indeed the case; many of the troubleshooting issues we encounter are closely … Read more
Click the above “Mechanical Electronic Engineering Technology” to follow us My requirements: Raspberry Pi 3B+, operating system Raspbian-stretch, OpenCV installed on python3.5.3, connected to CSI camera. 1. Use SSH to connect to Raspberry Pi remotely 2. Create a directory to store the code mkdir /home/pi/my_code_directory 3. Enter the directory to store the code cd /home/pi/my_code_directory … Read more