Empowering Real-Time Response and Decision-Making in Public Transport with Edge Computing Technology

Empowering Real-Time Response and Decision-Making in Public Transport with Edge Computing Technology

Empowering Real-Time Response and Decision-Making in Public Transport with Edge Computing Technology Public transport informatization is developing towards a more intelligent direction. Edge computing, as a computing model, provides new technical support for public transport informatization, assisting public transport systems in achieving real-time response and decision-making, thereby enhancing operational efficiency and service levels. 1. Architecture … Read more

Unlocking Industrial Automation: Seamless Integration from CANopen to Profinet

Unlocking Industrial Automation: Seamless Integration from CANopen to Profinet

+ Follow to learn electrical knowledge every day A new Cantonese song with a strong Hong Kong flavor, worth listening to! Unlocking industrial automation through seamless integration from CANopen to Profinet is an important technology in the field of modern industrial automation. Below is a detailed analysis of this technology: 1. Technical Background and Purpose … Read more

Learning BLE from Scratch: Controlling Devices

Learning BLE from Scratch: Controlling Devices

Previously, we introduced the process of discovering services and characteristics. Today, let’s take a look at what happens next.In the software, we click to control the light to turn it on and off. The data sent by the host is as follows:Captured dataOperation codeOperation code 0x12: write request.Write requestWriting the value 0x0001 to the attribute … Read more

Using Ansible to Deploy Podman Containers

Using Ansible to Deploy Podman Containers

Click the blue text to follow us 01 Which of the following steps is necessary when deploying Podman containers using Ansible? A. Install the Podman package B. Configure the Podman image repository C. Write the Podman Playbook D. All of the above Answer Click the blank area below to get the answer D Explanation: When … Read more

A Reverse Engineering Journey of the Xiaomi Mi Band BLE Communication Protocol

A Reverse Engineering Journey of the Xiaomi Mi Band BLE Communication Protocol

AuthorForum Account:FinchK 0x0 Introduction As a pure beginner in reverse engineering, I have been involved in it for about two months. I have a Xiaomi Mi Band 4 NFC version, which has the built-in Xiao Ai assistant that can engage in voice conversations to control smart home devices and perform operations such as setting alarms. … Read more

Master Ansible Automation in One Week: Transition from Manual Configuration to Code-Based Management

Master Ansible Automation in One Week: Transition from Manual Configuration to Code-Based Management

In today’s digital age, operations and maintenance work is like finding an exit in a complex maze; a small mistake can lead to trouble. Under traditional operations and maintenance methods, personnel need to connect to servers one by one via SSH, manually copy and paste commands, or write complex shell scripts to execute operations in … Read more

Ansible Automation Deployment: Core Features and Use Cases

Ansible Automation Deployment: Core Features and Use Cases

Click the blue text to follow us Q1· What are the core architectural features of Ansible? How does it achieve agentless automation deployment? Answer: The core architectural feature of Ansible is its agentless design, which connects to managed nodes via SSH without the need to install any agent software on those nodes. Ansible is developed … Read more

Ansible Built-in Module: Package

Ansible Built-in Module: Package

The package module of ansible.builtin is used to manage software packages on Linux-based systems. It is a generic module that supports multiple package managers (such as apt, yum, dnf, zypper, etc.) and can install, update, and remove packages. Its functionality is similar to the ansible.builtin.dnf built-in module, but it supports more package management tools, making … Read more

Learning BLE from Scratch: Discovering Services and Characteristics

Learning BLE from Scratch: Discovering Services and Characteristics

Through previous studies, we learned that BLE devices act as servers, storing some data, while clients achieve corresponding functions by reading, writing, and configuring this data. Previously, we learned about broadcasting and connections; today, let’s take a look at what happens after a connection is established.Discovery of Services and CharacteristicsAfter a device establishes a connection, … Read more

Smart Inspection Tool: Ansible Batch Automation for Generating Beautiful HTML System Reports

Smart Inspection Tool: Ansible Batch Automation for Generating Beautiful HTML System Reports

Project Overview📜 <span>ansible-HealthCheck</span> is a server health check tool based on <span>Ansible</span>. It automatically collects key information from servers (including operating system, CPU, memory, disk, network connections, etc.) and generates detailed <span>HTML</span> inspection reports using <span>Jinja2</span> templates. The reports can be sent via email and also previewed directly through a local <span>HTTP</span> server, helping you … Read more