1. Why Diagnose in 60 Seconds? Scenario: Woken up by an alarm in the middle of the night, the boss is demanding answers, and users are complaining that the website is down. Goal: Identify in the shortest time (60 seconds) which hardware resource (CPU/memory/disk/network) is causing the issue, and then immediately **”stem the bleeding”**. Principles: … Read more
Introduction: Are you still running Windows in full screen on VirtualBox just to use Office?WinBoat offers a new solution: Docker containers + FreeRDP remote application protocol, projecting Win32 applications directly as native Linux windows. In just 6 weeks, GitHub stars skyrocketed from 0 to 3.7k, with over 50 daily active issues and PRs, consistently ranking … Read more
Two serious vulnerabilities have been discovered in the Linux Common Unix Printing System (CUPS), exposing millions of systems to remote denial-of-service attacks and authentication bypass vulnerabilities. These vulnerabilities are tracked as CVE-2025-58364 and CVE-2025-58060, affecting the core printing infrastructure used in nearly all Linux distributions, posing a significant risk to network security. Remote DoS Vulnerability … Read more
useradd(8) Command – Linux 1. Basic Information about the Command 1. Functionality The useradd command is used in Linux systems to create new user accounts or update default new user information. When executed, it combines command line specified values with system default values. It may also update system files, create user home directories, and copy … Read more
1. Question: Which Linux distribution is commercially supported by Canonical? Option 1: Ubuntu Option 2: Fedora Option 3: CentOS Option 4: Debian Correct Answer: 1 Explanation: Ubuntu is a Linux distribution that is commercially supported by Canonical. Canonical provides support and services for Ubuntu, making it a popular choice in both desktop and server environments. … Read more
Do you need to memorize Linux commands?Daily Linux Command: manDaily Linux Command: cd and pwd Today, let’s talk about one of the most commonly used yet often underestimated commands in Linux: cat (short for concatenate). Its main function is to read the contents of one or more files and output them to standard output (which … Read more
Problem Environment: System: Linux-Debian, Boot Method: BIOS MBR. Initially, only 50GB was selected as the system disk during installation. After six months, storage is insufficient, and the system needs to be expanded to 100GB. Root Terminal Command Line Operations Execute the <span>fdisk -l</span> command to view the disk partition information in the system. root@Debian:~# fdisk … Read more
Hello everyone, I am the Intelligence Guy~ If you have worked on high-speed serial communication projects, you must have encountered the issue where traditional <span>termios</span> cannot configure high baud rates for serial communication parameters. So how can we solve this problem? In Linux systems, <span>struct termios2</span> is a data structure used for advanced serial communication … Read more
Click on the aboveFramework Master, select“Pin Public Account” to receive high-quality original technical content every day! GitHub daily recommendations present you with popular open-source projects from various fields. From Java to Python, and C++, a series of selected projects await your discovery every day. On the 1st of each month, we recommend a set of … Read more
Source: IT Home On September 8, technology media PiunikaWeb published a blog post reporting that some Linux users have reported serious font rendering and stability issues after upgrading to Chrome 140. The affected systems include mainstream distributions such as Ubuntu, openSUSE, and Fedora. Users have reported that text in the browser appears blurry, pixelated, or … Read more