Ansible Modules and Collections Ansible Modules Ansible executes tasks through modules, such as <span>ansible.builtin.hostname</span> for setting the hostname. <span>ansible.builtin</span> is the namespace for modules. Different modules belong to different namespaces. Generally, module names do not conflict, but as the number of modules increases, the possibility of name conflicts cannot be ruled out. Therefore, different modules … Read more
Introduction In modern operations and IT management, the use of automation tools is becoming increasingly widespread. Ansible, as a lightweight and easy-to-use automation tool, has gained favor among many operations engineers and developers. 1. Overview of Ansible Ansible is an automation tool developed in Python, primarily used for configuration management, application deployment, and task orchestration. … Read more
In the healthcare industry, the demand for precise, real-time, and low-power data transmission is growing. Bluetooth Low Energy (BLE) technology, with its unique advantages, is becoming the core driving force behind the intelligent upgrade of medical devices. From wearable devices to remote monitoring systems, BLE technology is innovating data interaction methods, bringing higher efficiency and … Read more
Ansible Playbook Ansible Playbooks use YAML format and have strict indentation requirements. A playbook consists of multiple plays. Playbook Example — – name: init # Define the name of the Playbook hosts: all # Define the range of managed hosts tasks: # Define the tasks to be executed, each – corresponds to one task (a … Read more
Introduction Reading To achieve long-range, full-area IoT coverage in factories and to realize intelligent and refined management of equipment and the environment, Advantech has built a real-time intelligent monitoring network based on LoRaWAN, centered around a “device-edge-cloud” collaborative architecture, creating a complete closed loop from data collection to intelligent decision-making. In the Era of Industry … Read more
In March 2025, Bangalore Airport, struggling with water resource waste, welcomed a comprehensive water management solution based on LoRaWAN. Through the efficient collaboration of smart water meters, LoRaWAN networks, and cloud platforms, it achieved water resource monitoring, remote water supply control, and leak alerts, successfully reducing water waste by 10%. This significant achievement not only … Read more
Company Overview The Huaneng Clean Energy Research Institute is committed to serving the country’s high-level technological self-reliance and strength, taking the lead in the innovation of new energy technologies in China’s power industry. It aims to build a first-class international research institution characterized by low-carbon clean energy, positioning itself as the technological engine for the … Read more
Abstract: Intrahepatic cholangiocarcinoma (ICC) is a relatively rare type of primary liver cancer, with an increasing incidence in recent years. Due to its insidious onset and atypical clinical symptoms, most patients are diagnosed at an advanced stage of the disease, making timely diagnosis and treatment crucial. The standard treatment for early-stage ICC patients is radical … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join our technical exchange QQ group with the note 【Public Account】 for faster approval Linux Course Notes Directory Structure /：Root directory, the only top-level directory Path example: /home/itheima/a.txt indicates the a.txt file in the home/itheima folder under the root directory Basic Commands ls: … Read more
In the era of the Internet of Things, how can we meet the demand for small data and large connections in IoT, allowing massive devices to “last longer and transmit further”? The low-power wide area network (LoRa) technology is becoming a core answer for large-scale IoT! However, existing technologies still face three major challenges in … Read more