When a company experiences a hacker intrusion; when the system crashes; when a security incident affects normal business operations, can you respond immediately and provide a solution? The following article will teach you the Linux emergency response process! Intrusion Investigation Approach 01 Apache Log Path Access Log: /var/log/apache2/access.log (Debian/Ubuntu) or /var/log/httpd/access_log (CentOS/RHEL) Nginx Log Path … Read more
Disclaimer: The user is responsible for any direct or indirect consequences and losses caused by the dissemination and use of the information provided by this public account. The public account and the author bear no responsibility for this. Please bear the consequences yourself! If there is any infringement, please inform us, and we will delete … Read more
Is the update process for your embedded Linux devices cumbersome, error-prone, and lacking in security? SWUpdate will completely transform the way you update your firmware! It is a powerful Linux update agent designed to provide an efficient and secure method for updating embedded Linux systems in the field. Whether for local updates or OTA updates, … Read more
“Click the blue text above to follow us” In the context of the rapid development of artificial intelligence and the Internet of Things, although we have now entered 2025, “Edge AI” and IoT devices have become buzzwords. However, why has the potential of AI in IoT not been fully realized? What is hindering the widespread … Read more
HTTP Protocol Analysis: The Complete Lifecycle from Request to Response As one of the fundamental protocols of the Internet, HTTP (Hypertext Transfer Protocol) plays a core role in web applications. From entering a URL in the browser to the completion of page loading, the HTTP protocol is responsible for the exchange of information throughout this … Read more
Mastering the Creator’s Rules of the Class World 1. Why are Metaclasses the Ultimate Magic in Python? In the 2025 Python Developer Survey, the usage rate of metaclasses was only 12%, but in the framework development field, it reached as high as 89%. This ultimate tool for controlling class creation enables frameworks like Django ORM … Read more
The following is a detailed design and implementation plan for smart locks and APP communication via Bluetooth BLE, covering protocol design, security mechanisms, development processes, and typical scenarios, helping developers quickly implement remote control and status management of smart locks: 1. Smart Lock and APP Communication Protocol Design (1) Service and Characteristic Definitions Smart locks … Read more
Communication Knowledge When browsing the internet, have you noticed that some websites have URLs starting with HTTP:// while others start with HTTPS://? HTTP and HTTPS are two protocols used for transmitting information over the internet. Although they serve similar functions, there are significant differences in terms of security and application scenarios. This article will detail … Read more
With the popularity of artificial intelligence and Internet of Things (IoT) technologies, smart home products such as smart locks, robotic vacuum cleaners, and smart whole-house temperature control systems are becoming increasingly common. It is important to note that if sensitive data from smart home products is exploited by malicious individuals, it could lead to information … Read more
Author | Wang RuipingLinux Desktop had a brief surge in popularity in the first half of the year, but the crisis outweighs the achievements. Not to mention, Microsoft’s persistent focus on the “Cloud Desktop Plan” has never waned, aiming to shift users from PC Windows to a cloud-based Desktop as a Service (DaaS) model. Recently, … Read more