1. Core Concept of Unix/Linux File Abstraction “Everything is a file” is one of the core design philosophies of Unix/Linux systems, which essentially means: Unified Interface: Provides a consistent access interface through the file system Abstract Encapsulation: Abstracts resources such as devices and processes as files Simplified Operations: Uses a unified file operation API (open/read/write/ioctl/close) … Read more
Question 4: What other methods does nftables use, besides hash tables, to address the pain points and bottlenecks of iptables? nftables is a modern framework for network traffic filtering in the Linux kernel, designed to replace iptables and address its pain points in terms of performance and flexibility. In addition to using hash tables to … Read more
Audio Airtime – Airtime is an open-source broadcasting software for scheduling and remote site management. Ardour – Record, edit, and mix on Linux. Audacious – An open-source audio player that plays your music the way you want without consuming your computer’s resources for other tasks. Audacity – Free, open-source, cross-platform audio recording and editing software. … Read more
According to the received threat intelligence report, the hacker group IronShade has launched attacks against Linux servers in the region. To prevent attacks from this APT organization and understand their attack patterns, our team set up a honeypot, exposing weak SSH and ports. As security analysts, we need to conduct a comprehensive intrusion assessment on … Read more
Click the aboveblue text to follow us Linux file locking is a mechanism used to manage resource access in multi-process or multi-threaded environments, ensuring that only one process or thread can operate on a file at a specific time, thus avoiding data inconsistency. File locks are widely used in various applications, such as database systems, … Read more
Master C Language! Master C Language! Master C Language! Important things are said three times! If you are a university student, please also learn the following courses: Data Structures, Computer Principles (including Assembly), Compiler Principles, Operating Systems. First do the above, don’t rush! To be a good embedded engineer, stay away from impatience! If you … Read more
1. Basic Entry: Building a Knowledge Framework (1) Programming Language: C is the foundational language for embedded development and must be mastered proficiently. Its advantages lie in its proximity to hardware and high execution efficiency. When learning, it is essential to deeply understand basic syntax, such as variables, data types, operators, and control statements, as … Read more
Ansible Installation There are three installation methods for Ansible: Source Installation, Distribution Installation, and Python Installation. When using either Distribution Installation or Python Installation, there are two installation packages for Ansible, which are as follows: • <span>ansible-core</span>: A minimal language and runtime package that includes a set of built-in modules and plugins. • <span>ansible</span>: A … Read more
(Click the public account above to quickly follow) Source: Linux China https://linux.cn/article-401-1.html If you have good articles to submit, please click → here for details The commands listed in this article should absolutely not be run, even if you are very curious, unless you are running them in a virtual machine (so you can restore … Read more
Linus Torvalds, the father of Linux, seemed to lose his temper yesterday and submitted a README file to GitHub, harshly criticizing the Linux system. Linus stated: “Hello everyone, I am Linus Torvalds, the author of the once-popular Linux. You can check the repo’s URL and files to prove that it is 100% me. I deleted … Read more