Year: 2025

Ansible: From Introduction to Abandonment (Seventeen)

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Ansible: From Introduction to Abandonment (Seventeen)

Ansible-navigator config <span>ansible-navigator config</span> is used to view Ansible’s configuration files within a container (equivalent to executing the <span>ansible-config</span> command inside the container). The available options are as follows: Parameter Type Default Value Description <span>-c</span>, <span>–config</span> <span>str</span> Auto-detect (according to Ansible’s default lookup order) Specify the path to the <span>ansible.cfg</span> configuration file <span>–hc</span>, <span>–help-config</span> <span>bool</span> … Read more

Goodbye Manual Operations! Automating Server Configuration and Deployment with Ansible and Python

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Goodbye Manual Operations! Automating Server Configuration and Deployment with Ansible and Python

It was a Wednesday night at 11 PM, and I was about to pack up and leave when suddenly the product manager rushed over and said: “Bro, we need to deploy a new feature on 20 servers tomorrow, and configure nginx, redis, mysql…” At that moment, I felt overwhelmed. If I had to manually SSH … Read more

Introduction to Ansible

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Introduction to Ansible

Ansible is an open-source automation configuration management tool based on OpenSSH. It can be used to configure systems, deploy software, and orchestrate more advanced IT tasks such as continuous deployment or zero-downtime updates. The main goals of Ansible are simplicity and ease of use, and it also places a strong emphasis on security and reliability. … Read more

How to Choose the Right IoT Communication Protocol: MQTT, CoAP, AMQP, REST/HTTP, JMS, XMPP & DDS

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How to Choose the Right IoT Communication Protocol: MQTT, CoAP, AMQP, REST/HTTP, JMS, XMPP & DDS

Recently, we have been discussing the MQTT IoT communication protocol. However, in reality, there are more than just MQTT in the realm of IoT communication protocols. In the field of Industrial IoT (IIoT), OPC UA and MQTT are more commonly involved and applied. Therefore, in this article, we will briefly introduce several other IoT protocols … Read more

Httpx: The Future Star of Asynchronous HTTP!

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Httpx: The Future Star of Asynchronous HTTP!

▼ Click the card below to follow me ▲ Click the card above to follow me Httpx: The Future Star of Asynchronous HTTP! In modern web applications, HTTP requests are ubiquitous. Whether fetching web content, calling APIs, or performing data scraping, HTTP is at the core. Traditional HTTP libraries, such as requests, while simple and … Read more

Integrating Elasticsearch with HttpClient in ASP.NET Core for Logging and Querying

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Integrating Elasticsearch with HttpClient in ASP.NET Core for Logging and Querying

In development, centralized management of system logs and support for real-time search is an important means to improve operational efficiency. This article will introduce how to integrate <span>HttpClient</span> with Elasticsearch in an ASP.NET Core project to achieve automatic logging, indexing, and querying functionality. Technical Architecture Overview • ASP.NET Core: Building Web API services • HttpClient: … Read more

Cross-Script Interface Association and Parameter Passing in HttpRunner3

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Cross-Script Interface Association and Parameter Passing in HttpRunner3

Cross-Script Interface Association and Parameter Passing in HttpRunner3 The parameterization in HttpRunner3 utilizes the Pytest decorator @pytest.mark.parametrize(). 1. Scenario Description In the example from Baidu, the parameter passing for parameterization was not mentioned, so I will briefly describe the scenario here. For instance, the interface in A.py depends on the return value of the interface … Read more

Advanced Customization of OkHttp: Request Retries, Caching Strategies, and DNS Optimization for Mastering Network Requests!

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Advanced Customization of OkHttp: Request Retries, Caching Strategies, and DNS Optimization for Mastering Network Requests!

Advanced Customization of OkHttp: Request Retries, Caching Strategies, and DNS Optimization for Mastering Network Requests! Last year during the Double Eleven shopping festival, our e-commerce app suddenly experienced a large number of network request timeouts during peak hours, leading to a flood of user complaints about product pages not loading. After urgent investigation, we found … Read more

No Public IP! Complete Solutions for TCP/UDP/HTTP/HTTPS!

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No Public IP! Complete Solutions for TCP/UDP/HTTP/HTTPS!

With FRP, easily break through the limitations of internal networks and firewalls to expose local services to the internet. This is cost-effective and efficient for developers and operations personnel scattered across various locations, especially for small companies or individuals, making it particularly suitable for scenarios that require rapid deployment and access! What is FRP? Understand … Read more

Ditch OkHttp and HttpClient: This Lightweight HTTP Client Framework is Incredibly Useful!

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Ditch OkHttp and HttpClient: This Lightweight HTTP Client Framework is Incredibly Useful!

Using <span>OkHttp</span>, <span>HttpClient</span>, or <span>RestTemplate</span> to initiate <span>HTTP</span> requests directly in a <span>SpringBoot</span> project is cumbersome and inconvenient for unified management. Therefore, I recommend a lightweight HTTP client framework suitable for <span>SpringBoot</span> projects: <span>retrofit-spring-boot-starter</span>, which is very simple and convenient to use while providing many enhanced features. The project has currently been updated to version … Read more