💻 A Detailed Guide to the Linux Boot Process ✨ Today, let’s take a detailed look at the Linux boot process, which is an important foundational knowledge for using the Linux system! 💕 1. Booting The beginning of everything is, of course, booting. When we press the power button, the entire startup process officially begins. … Read more
Follow+Star Public Account Number, don’t miss exciting content System Settings Common Mirror Sources Mirror site addresses Official list provided: https://www.debian.org/mirror/list Some domestic ones: ftp.cn.debian.org mirror.bjtu.edu.cn mirror.lzu.edu.cn mirror.nju.edu.cn mirrors.163.com mirrors.bfsu.edu.cn mirrors.hit.edu.cn mirrors.huaweicloud.com mirror.sjtu.edu.cn mirrors.tuna.tsinghua.edu.cn mirrors.ustc.edu.cn Usage: (generally similar) Tsinghua Source –mirror 'https://mirrors.ustc.edu.cn/debian/' Tencent Source –mirror 'https://mirrors.aliyun.com/debian/' Aliyun Source –mirror 'https://mirrors.aliyun.com/debian/' Huawei Source –mirror 'https://mirrors.huaweicloud.com/debian/' SWAP & … Read more
In Linux systems, Access Control Lists (ACL) are a powerful tool for managing file and directory permissions with finer granularity. Traditional permission management uses a combination of user, group, and other with r (read), w (write), and x (execute). However, as system complexity increases, this method no longer meets the needs for complex permission control. … Read more
Linux | Red Hat Certification | IT Technology | Operations Engineer 👇1000 people technical exchange QQ group, note [public account] for faster access Components of a Group The following are the components of each group, but not every group has a super block, which will be discussed later. inode table The inode table is a … Read more
Linux: From supercomputers to smartphones. Explore the open-source operating system that drives innovation. Learn about popular distributions such as Ubuntu and Fedora. Understand why Linux is important. Translated from Introduction to Linux Operating System, by TNS Staff. What is Linux? Linux is a free and open-source operating system used by millions of desktop computers around … Read more
Let’s discuss the biggest pitfalls I encountered while installing NVIDIA drivers on Linux. Just because your desktop looks clearer after installation and nvidia-smi displays content does not mean the driver is installed correctly. I initially followed an online tutorial for the installation, and while everything seemed fine, when I entered nvidia-smi, the gnome-shell process was … Read more
1. Basic Mechanism of Driver Initialization Zephyr’s driver initialization is implemented through the following mechanisms: Device Tree : Hardware resources are defined through the device tree, and the driver relies on this information for initialization. Initialization Macros (DEVICE_DT_DEFINE and DEVICE_DEFINE) : The driver registers to Zephyr’s device model using these macros. Initialization Priority : The … Read more
Robots are not isolated systems; they are a set of distributed sensors and actuators, often running on resource-constrained small embedded devices (microcontrollers) that communicate via wired or wireless connections. However, mainstream robotic operating systems like ROS/ROS2 are too large and heavy, making them unsuitable for robotic scenarios based on microcontrollers with hard real-time requirements. Zephyr … Read more
Battle Armor Want to know more about individual equipment, special operations data, and stories? Want to boast about unbeatable victories at the dinner table? Battle Armor Official Weibo: Battle Armor Equipment Research Battle Armor Military Products Taobao Store: Battle Armor Military Products Outdoor Battle Armor Outdoor Channel: Battle Armor_OutdoorGear-Lab As the title suggests, how to … Read more
RTT Zephyr Polling Package Bluenrg2 Bluetooth Chip Startup Process “Summer of Code” “Bluetooth Host Protocol Stack Zephyr Polling Improvement” personal project record Personal record of a beginner participating in the project Project package address: RTT_PACKAGE_zephyr_polling The SPI interface implementation has been completed. To run zephyr_polling on Bluenrg2, the next step is to implement its special … Read more