Stage One: Obtaining the Interrupt Number Each CPU has the ability to respond to interrupts. When a CPU responds to an interrupt, it follows the same process. This process is the interrupt service routine provided by the kernel. Upon entering the interrupt service routine, the CPU has automatically disabled interrupt responses on that CPU, as … Read more
As an open-source system, Linux is often used by developers for software development. For beginners, Windows seems so convenient and easy to use, so why not develop programs on it? What are the differences between Linux and Windows? This article summarizes this question, let’s explore the differences between Linux and Windows systems together. Differences Between … Read more
Introduction OpenWrt is an open-source operating system primarily used for embedded devices, especially wireless routers and access points. It is based on the Linux kernel and designed to replace the firmware provided by manufacturers, offering users more flexibility, customization, and features. Here are some key features of OpenWrt: 1. Customizability: OpenWrt provides an extensible framework, … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇Technical exchange QQ group with 1000 members, note “public account” for faster approval 1. Differences Between RPM and DEB Some systems only support installing with RPM packages, while others only support DEB packages. Mixing installations can lead to system issues. About RPM and DEB … Read more
0×01 Environment Preparation 1. This time we will use the open-source OPENWRT source code for compilation. OpenWRT is a highly modular and automated embedded Linux system, with powerful network components and extensibility, often used in industrial control devices, telephones, small robots, smart homes, routers, and VOIP devices. It also provides over 100 pre-compiled software packages, … Read more
Overview The emerging set-top boxes (STBs) belong to embedded Linux satellite TV receivers, possessing all the characteristics of Linux machines, including wireless and network connectivity. This is sufficient for hackers to crack the encryption strategies of most satellite DVB-CA receiving cards and develop a black industrial chain. Such attacks can create a fairly large botnet … Read more
Follow Embedded Learning Station, bringing you more fresh hotspots every day. 🤟Tips: This article has 2485 words, estimated reading time is 15 minutes~ Connecting to a serial port allows users to control the system without a monitor. Below is how to access and use the serial console in Linux. One of the essential elements when … Read more
Click on the blue text to follow us 01 Preface The author has worked at an application-oriented technical university for nearly ten years. During this time, many students have learned new skills by running various examples on development boards, such as blinking an LED or driving a screen. When they successfully run these examples, they … Read more
Firmadyne is an open-source software for automated analysis of embedded Linux system security, developed by Carnegie Mellon UniversityDaming D. Chen. It supports batch detection, with the entire system including firmware crawling, root filesystem extraction, QEMU simulation execution, and vulnerability discovery. The system can be downloaded from github: https://github.com/firmadyne/firmadyne The framework is shown in the figure … Read more
Follow the Embedded Learning Station to get more fresh hot topics Common operating systems include Linux, Unix, Windows, and Mac OS. More people are familiar with Windows, while Unix and Mac are almost unheard of, and Linux is just a name to many. Indeed, for non-professionals, Windows is sufficient for all needs, and Linux seems … Read more