Gathering of the Deyun Society’s Seventh Team: Guo Longyuan Takes Center Stage with Meng Hetang and Zhou Jiuliang Who would have thought that a gathering of the Deyun Society’s Seventh Team would end up making the “host” the biggest topic of discussion? Led by Meng Hetang and Zhou Jiuliang, Guo Longyuan firmly took the center … Read more
1. Introduction “Characteristics and Near-Alert of C-Band Doppler Weather Radar” is a professional book edited by Yang Shuhua, with Zhao Guixiang and Miao Aimei as deputy editors, published by the Meteorological Press in September 2018. This book systematically elaborates on the applications of C-band Doppler weather radar in monitoring, forecasting, and near-alerting for severe convective … Read more
Introduction to the C-5 Galaxy Transport Aircraft The Lockheed C-5 “Galaxy” is one of the largest strategic transport aircraft currently in service with the United States Air Force, designed to provide heavy cargo transport capabilities globally. The C-5M “Super Galaxy,” as its latest variant, is equipped with modern avionics and more powerful GE CF6 engines, … Read more
Introduction In the previous article, we introduced how to create a separate partition using the meta-toradex-security layer. Next, we will explain how to use encryption features on that partition, perform read and write performance tests, and if you are still interested, the final section will elaborate on the principles behind partition encryption. The technical implementation … Read more
Student Situation:This student is a graduate student with limited time, looking to enhance their skills through our teaching to complete their project. Recently, a student consulted about the embedded STM32 learning course, wanting to improve their skills to complete their project. Based on their background, we recommended that the student start with Linux, and we … Read more
Qpoint recently released Qtap, an open-source network traffic monitoring tool based on eBPF technology, specifically designed for Linux systems. This tool hooks into TLS/SSL encryption functions, allowing it to capture traffic information before and after data encryption, and presents detailed network data in plaintext, including processes, containers, hosts, users, and protocols. Qtap operates in an … Read more
Proxy servers play a crucial role in enterprise environments, especially when accessing external network resources or enhancing security policies. However, configuring a proxy on a Linux server and making it work with system package managers like <span>dnf</span> can sometimes lead to some “minor troubles.” This article will explore a common proxy configuration issue and its … Read more
Tip: This article shares the basic commands of the Linux system, providing a detailed explanation of the top command, including its functions, format, common options, interactive commands, and examples of the top command. 1. Overview of the top Command 1. Function ❝ The top command: displays active processes in real-time, showing the resource usage of … Read more
Vim (Vi IMproved) is a powerful terminal text editor, serving as a valuable assistant for programmers and system administrators in UNIX/Linux environments. Unlike graphical editors, Vim is keyboard-centric, emphasizing efficiency and precise control. 🧩 1. What is Vim? Vim is an enhanced version of the early UNIX editor <span><span>vi</span></span>, focusing on extensibility, customizability, and high … Read more
To set up an FTP server on CentOS 7, it is recommended to use vsftpd. Below are the detailed steps: Step 1: Install vsftpd sudo yum install vsftpd -y Step 2: Start the service and set it to start on boot sudo systemctl start vsftpd sudo systemctl enable vsftpd Step 3: Configure the firewall # … Read more