RedHat Linux 8.1 Installation Guide This installation example is performed on a virtual machine. Virtual Machine System Information Virtual Machine Software: VMware® Workstation 16 Pro Version: 16.0.0 build-16894299 1.System Image Version rhel-8.1-x86_64-dvd.iso 1.Preparation of Local Network Environment 1.Start Installation – Create a New Virtual Machine 1.Select Custom Installation 1.Select Install Operating System Later 1.Select Linux … Read more
Hello everyone, welcome to <span>LiXin Embedded</span>. Today, we are going to discuss something hardcore—Linux kernel core dumps, commonly known as coredumps. This tool is a lifesaver when debugging program crashes, especially in embedded development where device resources are limited and issues are deeply hidden. Coredumps can help you quickly locate the root cause of problems. … Read more
Collected and organized all Linux kernel vulnerabilities from January 1, 2022, to February 18, 2023, with data sourced from NVD, totaling 314 vulnerabilities. The analysis of the Linux kernel attack surface is based on CWE types and the subsystems where the vulnerabilities are located. CWE Statistics According to publicly available CVE information, a total of … Read more
Tip: For a better reading experience, it is recommended to read on a PC! 1 What are Concurrency and Race Conditions In Linux systems, concurrency refers to the situation where multiple execution units (processes, threads, interrupts, etc.) access shared resources simultaneously or alternately, while a race condition refers to the uncertain behavior or errors caused … Read more
Linux iconv Command <span>iconv</span> is a powerful command-line tool in Linux systems for character encoding conversion. It can convert text files or input streams from one character encoding to another, widely used for handling multilingual text, data migration, and cross-platform data exchange. 1. Introduction to iconv <span>iconv</span> is a command-line tool based on the GNU … Read more
Many people are confused about Wi-Fi and WLAN, often thinking that these two terms express the same meaning. In fact, they are like the relationship between “fruit” and “apple”; one is a general category, while the other is a specific type. Next, let’s enhance our understanding through a principle-level analysis! One is like a “stage … Read more
Have you ever faced the awkward situation of not having external speakers for your computer? Or wanted to play music from your computer on your phone but struggled with unstable Bluetooth connections?WiFiAudio provides a clever solution—turning your phone into a wireless speaker for your computer over a local area network, without the need for Bluetooth, … Read more
I never expected that the news about “Front Desk” and “88888888” would generate over 5,000 comments (on Weibo), with most discussions revolving around whether it would automatically connect to “Front Desk”. Therefore, I unboxed different brands of wireless routers one by one to conduct connection tests, using three different smartphones for testing (the Mate20 is … Read more
Why does a router have two WiFi signals? Have you noticed that one router can have two Wi-Fi signals? Even though there is only one router at home, there are two Wi-Fi networks, one of which is followed by the label “5G”. 📶 When the router was installed, neither the service provider nor the installer … Read more
What are the Differences Between Wi-Fi 6 and Wi-Fi 6E?The main difference between the standard Wi-Fi 6 and Wi-Fi 6 Extended (6E) is that 6E opens a well-known “fast lane” for capable devices, enabling lower latency and faster speeds. Devices supporting Wi-Fi 6 can transmit data quickly in the 6 GHz band while benefiting from … Read more