Permission Management

Invisible Pitfalls of IoT Security: 90% of People Overlook These 3 Risk Points When Deploying Devices

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Invisible Pitfalls of IoT Security: 90% of People Overlook These 3 Risk Points When Deploying Devices

2025/09/12 Tuesday, Lunar July 21 First Edition Invisible Pitfalls of IoT Security: 90% of People Overlook These 3 Risk Points When Deploying Devices DAILY NEWS In today’s digital wave, IoT technology is penetrating various industries at an unprecedented speed, bringing efficient and intelligent operational transformations to enterprises. From interconnected devices in smart factories to real-time … Read more

Integrating IoT, Video Surveillance, and Low-Code Development Framework (Supports GB28181/RTSP)

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Integrating IoT, Video Surveillance, and Low-Code Development Framework (Supports GB28181/RTSP)

Introduction In the fast-paced world of software development, project cycles are becoming shorter, requirements are changing frequently, and clients are demanding faster delivery. The traditional “from scratch” development model can no longer meet the reality of rapid iteration. Especially in enterprise application development, basic functionalities such as permission management, user systems, data dictionaries, message notifications, … Read more

Quick Start: Summary of Common Linux Commands

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Quick Start: Summary of Common Linux Commands

Summary of Common Linux Commands Introduction As a mainstream operating system in the server field, the command line operations of Linux are essential skills for every developer and operations personnel. This article summarizes the most commonly used commands in the Linux system, covering various aspects such as system management, file operations, permission control, network configuration, … Read more

PLC Permission Management: A Hierarchical Authorization System to Ensure Operational Safety!

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PLC Permission Management: A Hierarchical Authorization System to Ensure Operational Safety!

“PLC Permission Management: Hierarchical Authorization Tricks to Eliminate Operational Losses!” Hello everyone! Today, let’s discuss a topic that gives engineers a headache—PLC permission management! Have you ever encountered an intern accidentally pressing the emergency stop button, causing a production line to halt for 3 hours? Or a vendor adjusting parameters during debugging, leading to equipment … Read more

Common Linux Commands – Part 2

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Common Linux Commands - Part 2

File Search Commands: 1. find directory -name “filename“ – Search for files by name 2. find directory -type f -name “*.txt” – Find specific type of files 3. grep “text” filename – Search for text in a file 4. grep -r “text” directory – Recursively search for text in a directory 5. locate filename – … Read more

Ultimate Guide to Linux Permission Management for Beginners

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Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join the tech exchange QQ group with 1000 members, note 【Public Account】 for faster access 1. User Types in Linux Before we dive into Linux permission management, let’s first understand a key concept: user types in Linux. In Linux, there are actually two … Read more