cd / # Enter the root directory pwd # Print the current directory (command meaning: print work direction) ls # Display all files nano 文件名称 # Edit and open a file # After editing, save using keys CTRL+O enter CTRL+X rm -r # Delete a folder mkdir # Create a new folder # Write content … Read more
Bluetooth BQB certification mainly includes two types: Listing Certification (EPL) and Testing Certification (QDID), with the following differences: Applicable Scenarios Listing Certification (EPL): Suitable for finished products that use certified Bluetooth modules, such as Bluetooth speakers and headphones that utilize certified modules from Nordic or TaiLingWei. As long as the finished product does not modify … Read more
Ansible is an automation tool written in Python that can achieve cluster automation management and perform common operational tasks.Many companies today use cluster deployment services, ranging from a few virtual machines to hundreds or thousands. Sometimes, it is necessary to perform operational tasks on a single cluster or multiple clusters, and at this point, Ansible … Read more
The following article is from DigiKey Electronics Technical Platform, authored by DigiKeyKeywords:Development Board Article Overview In this article, DigiKey introduces the method and process of deploying large models on the Raspberry Pi 5 to create a real-time translator. The project utilizes the voice recognition capabilities of the Raspberry Pi 5 to convert speech into text, … Read more
In Linux systems, we often need to create scripts, upload them to production servers, deploy the scripts, grant permissions, and then create jobs. If the company has deployed Ansible automation tools, batch deployment can be handled. If there are no automation tools like Ansible, we can package/install/deploy scripts through scripts to avoid manual handling on … Read more
Hello everyone! Today we are going to talk about a very popular automation operation and maintenance tool—Ansible. Whether you are a developer or an operations engineer, if you are still logging into servers one by one to execute commands manually, Ansible will definitely become your favorite tool. Ansible is an open-source automation deployment and configuration … Read more
Do you remember that night when you were woken up by a phone call at 3 AM? Twenty servers in the production environment needed urgent configuration updates, and you had to log in via SSH one by one, repeating the same commands. Two hours later, as you dragged your exhausted body to complete the task, … Read more
AI Deployment – Essential C++ Knowledge – Must-Know for Interviews (Part 1), organized for easy reference and review. 1. <span><span>#include</span></span>: Double Quotes <span><span>" "</span></span> vs. Angle Brackets <span><span>< ></span></span> Conclusion First Header files within the project: Prefer using <span>"…"</span> System/installed third-party library header files: Use <span><…></span> Search Order (General Approach) <span>#include "name"</span> First, search in … Read more
In the field of operations automation, Ansible has become a powerful tool for bulk service deployment due to its agentless architecture, declarative syntax, and rich modules. However, even experienced operations personnel often stumble over seemingly simple details during actual operations. This article, based on over 200 production environment deployment experiences in the past three years, … Read more
The domestically produced LoRaWAN NS + IoT platform ThinkLink is now free. (https://thinklink.manthink.cn) When deploying a LoRaWAN network, selecting the right gateway is a critical step. Many users feel confused when faced with the choice between “indoor gateways” and “outdoor gateways.” This article will help you better understand how to choose the appropriate LoRaWAN gateway … Read more