This guide walks you through preparing a CentOS 7.4 environment with JDK 1.8, installing Jenkins via yum, configuring Jenkins to communicate with GitHub using webhooks and personal access tokens, and creating a freestyle job that pulls source code, builds, and runs automatically.
This case study details how a city‑bank leveraged DevOps and ITIL integration, AI‑driven monitoring, and Spark‑based big‑data analytics to build a unified development‑testing‑operations platform, improve service availability, shorten deployment cycles, and achieve near‑99.99% system uptime across its core banking services.
The article presents a systematic, automated platform that captures, replays, and compares API requests using intelligent sampling and vertical/horizontal privilege checks to detect authorization flaws, dramatically reducing manual testing effort, uncovering over twenty issues monthly, and outlining future CI integration and AI‑enhanced detection.
This article provides a comprehensive guide to API testing, covering fundamentals such as understanding API requirements, interpreting response codes, focusing on core endpoints, categorizing APIs, leveraging automation, selecting appropriate tools, choosing validation methods, designing positive and negative cases, establishing daily test flows, and following best‑practice recommendations to overcome common challenges.
This article presents ten innovative Python project ideas—from voice‑controlled GUIs and AI betting bots to trading algorithms, virtual assistants, web monitoring, SSL auto‑renewal, facial recognition, contact tracing, file management, and YouTube video aggregation—each designed to sharpen programming expertise and explore real‑world applications.
This article presents ten practical Linux system‑administration techniques—from ejecting a stuck DVD drive and resetting a frozen console to using screen sharing, SSH tunnels, bandwidth testing, and powerful command‑line scripts—each designed to streamline tasks, reduce downtime, and give administrators more free time.
The TestPG load‑testing platform, built on a master‑slave architecture with Redis‑driven dynamic configuration, delivers fine‑grained, cluster‑ and interface‑level pressure control that automates load‑generator allocation, shortens holiday testing cycles to three days, and produces realistic traffic models for Gaode’s nationwide services.
This article walks you through setting up Jenkins to clone a Spring Boot project from Gitee, configure JDK, Git, and Maven tools, create a freestyle job with parameterized builds, write shell scripts for stopping and starting the application, and troubleshoot common issues for a fully automated CI/CD pipeline.
This article details Xiaomi's migration of tens of thousands of Redis instances from physical servers to Kubernetes, explaining the motivations for containerization, the deployment architecture with StatefulSets and a custom Redis Proxy, performance comparisons of proxy options, operational challenges, and the resulting benefits in resource utilization, automation, and service stability.
This article details the massive changes and challenges of Double 11 2023, describing how Alibaba's front‑end teams used D2C automation, Serverless FaaS, PHA, ESR, pre‑rendering, SSR, intelligent UI and robust stability processes to boost performance, conversion and user experience across multiple platforms.
The article analyzes the mismatch between QA job market demands and candidate skills, outlines the traits and technical abilities that make testers highly sought after, and provides practical steps for testers to transition and advance their careers in a rapidly evolving software industry.
This article introduces essential Ansible terminology such as control node, managed nodes, inventory, host files, modules, tasks, playbooks, and roles, and demonstrates basic commands for user creation, directory management, file deletion, and package handling on Linux hosts.
This article introduces Ansible as an open‑source automation framework, explains its key features, shows how to install it, configure the main settings and inventory, and demonstrates basic command‑line operations such as running modules and copying files across servers.
This article examines Android automation techniques, comparing simple ADB script‑based interactions with native‑code approaches using activity lifecycle callbacks, view identification, and MotionEvent simulation, and discusses their advantages, limitations, and suitable application scenarios.
Lufax completed a two‑year, zero‑downtime, 100% Oracle‑to‑MySQL migration across its entire financial platform, detailing the dual‑write strategy, fine‑grained batch switching, tool‑driven automation, and the resulting cost and operational benefits for over 45 million users and supporting critical transaction services.
This guide walks you through updating the mall‑swarm project to use Nacos for service registration and configuration, preparing Docker images, configuring Jenkins jobs for each microservice, handling Docker network settings, and verifying the deployment, enabling one‑click builds and releases for the entire e‑commerce platform.
This guide shows how to install the Python Kubernetes client, initialize it, and perform comprehensive Job operations—including creation via SDK objects, YAML or dict definitions, monitoring with Watch, listing, reading, updating, and deleting Jobs—while providing concrete code snippets and best‑practice advice.
Front‑end intelligentization leverages AI and machine learning to empower developers with design‑to‑code automation, smart UI generation, and Pipcook integration, aiming to solve frontline engineers' pain points, boost productivity, and evolve the front‑end technology stack through deterministic, robust, and evolutionary approaches.
This article explains why front‑end intelligentization is needed, how AI and machine‑learning techniques are applied to design‑to‑code workflows, and the technical, operational, and cultural upgrades required to boost developer productivity and deliver business value in modern web projects.
This article details ByteDance's journey in front‑end engineering, describing the evolution from manual deployments to a fully automated CI/CD pipeline, the creation of a dedicated front‑end deployment platform, and the ongoing development of a comprehensive front‑end R&D platform that integrates DevOps and SRE principles.
This guide explains why many IT budgets neglect quality assurance, presents data from the 2019‑2020 World Quality Report, and offers practical steps—ownership, prioritization, integration, automation, reporting, and documentation—to establish a robust QA workflow even with limited resources.
This article outlines the goals, common obstacles, iterative strategies, and concrete steps for constructing a DevOps platform, drawing on real‑world experiences from JD Digits to improve quality, efficiency, data insight, and overall development governance.
The RPA forum in Beijing gathered over a hundred experts and more than a thousand online participants to discuss the rapid growth of robotic process automation, its integration with AI, the need for standards, and real‑world case studies across banking, telecom, and data sectors.
Learn how to run multiple Linux commands on a single line using the semicolon, &&, and || operators, with clear syntax explanations, practical examples, and tips for controlling execution flow based on success or failure.
This tutorial explains how to automate CI/CD by installing Jenkins on an AWS EC2 instance using Terraform, covering prerequisites, Bash installation scripts, plugin setup, a sample pipeline job, Terraform variable definitions, resource provisioning, and accessing the Jenkins web interface.
This guide explains how to install the Lifesense Health app, synchronize its data with WeChat and Alipay, and run a Python script that automatically changes the recorded step count each day, enabling users to dominate step‑ranking leaderboards without actually walking.
This article outlines a comprehensive DevOps operations framework, tracing its evolution from traditional ops to modern automation, detailing business standards, work policies, system integration, and best‑practice norms to achieve high SLA, low cost, and a one‑stop operational platform.
This guide explains why you should switch from HTTP to HTTPS, compares the two protocols, shows how to obtain free or paid SSL certificates, and provides step‑by‑step instructions for installing and automating certificate issuance using the acme.sh script on Apache, Nginx or standalone servers.
A Huawei maintenance engineer shares a decade‑long journey of turning 24/7 on‑call pain into systematic knowledge management, building comprehensive fault‑handling documentation, automating tools, and guiding the team’s evolution toward SRE practices that dramatically reduce manual effort and improve reliability.
This article explains how VIPKID leverages real‑time streaming with Flink to build a unified data platform, automatically tag and process help requests during 1‑v‑1 live classes, and achieve significant reductions in manual monitoring while improving course quality and user experience.
The article explains how test engineers can extend their impact beyond functional testing by engaging stakeholders, adopting QAOps practices, listening to user feedback, exploring automation tools, participating in code reviews, focusing on user experience, meeting deadlines, and leveraging data science to improve software quality.
This article details Youzan’s testing team’s evolving API automation strategy, covering architectural context, dual‑approach request simulation, regression efficiency enhancements, blind‑spot elimination through online validation and traffic recording‑replay, and practical lessons for large‑scale product delivery.
This tutorial explains how to use Python to scrape Wallhaven for 4K wallpapers, automatically iterate through pages, download images in bulk, and handle request headers and delays to avoid blocking, providing complete code and result screenshots.
This guide walks through a real‑world call‑center slowdown incident, outlines common fault‑handling techniques, proposes monitoring enhancements, details a comprehensive emergency‑response plan, and introduces intelligent event‑processing concepts to help operations teams resolve outages faster and more reliably.
This article outlines how a beauty‑industry frontend team tackled diverse tech stacks, team fragmentation, and code‑quality challenges by establishing a unified code review SOP, defining clear evaluation dimensions, and later platformizing the process for automation, visualization, and sustainable improvement.
This tutorial walks through using Selenium to handle pop‑ups and simple numeric captchas on a web portal, captures the captcha image, applies binary thresholding, recognizes the text with Tesseract OCR, and then submits the login credentials, including retry logic for failed recognitions.
This article introduces an open‑source security compliance auditing platform built with Django, MongoDB and Redis, detailing its architecture, data synchronization methods, configurable audit strategies, asset inventory, policy configuration, task scheduling, and provides deployment instructions and sample API usage for automating compliance checks across applications, databases and operating systems.
Ping An Bank’s Starlink DevOps platform, recognized by China’s CAICT as a first‑batch certified system‑and‑tool solution, showcases how standardized toolchains, end‑to‑end value streams, and data‑driven metrics can dramatically boost development speed, quality, and operational efficiency in the financial sector.
The article presents a cloud‑driven UIAutomator SDK that automates Android app compatibility testing by handling installation, cold‑start, hot‑start and uninstall steps, dynamically updating dialog‑matching data, and providing robust error‑handling to ensure reliable testing across diverse Android devices.
This guide explains the concepts of DevOps, SecOps, and DevSecOps, outlines their respective benefits, and helps organizations decide which security‑focused operational model best fits their needs by comparing their focus on integration, automation, and collaboration across development, operations, and security teams.
Learn how to quickly create a questionnaire using SeaTable, automatically collect responses, and run a custom script to randomly select winners, providing a fast, low‑code solution for urgent business needs without a full development cycle.
This guide traces ESLint’s evolution from early lint tools, shows how to install and configure it, run auto‑fixes, integrate with editors, enforce quality via Husky, lint‑staged and commit‑lint, and combine these practices into a defensive moat that keeps repositories clean and consistent.
This tutorial walks you through installing openpyxl, understanding Excel's workbook‑sheet‑cell hierarchy, and provides step‑by‑step code examples for reading, writing, styling, and manipulating Excel files using Python, serving as a handy reference for developers.
This article explains the origin and structure of the Agile Testing Quadrant, compares it with the traditional V‑model, introduces Mike Cohn's Test Pyramid and its alignment with shift‑left testing, and details how layered automation expands the pyramid to include data and environment automation for higher quality and efficiency.
This article explains the components, tools, and stages of software delivery pipelines—including version control, continuous integration, continuous delivery, blue/green and canary deployments—while highlighting their automation benefits and offering resources for further learning.
This article introduces a collection of essential Linux/macOS command‑line tools—such as find, grep, awk, sed, and others—explaining their key options and demonstrating practical examples like log analysis, database URL correction, and bulk file processing to dramatically improve everyday developer productivity.
This guide walks you through creating and using a one‑click installation package that sets up essential development services—MySQL, Nginx, JDK, Redis, RabbitMQ, and a SpringBoot jar—on Ubuntu 16.x, detailing directory structure, required prerequisites, individual start/stop scripts, and customization options for small‑scale deployments.
This article shares a seasoned technical support professional’s reflections on the role’s challenges, its critical place in product teams, automation tricks, and practical steps anyone can take to turn repetitive tasks into career growth opportunities.
Noah is a test environment governance platform that uses infrastructure‑as‑code principles, resource pooling, soft routing, and containerization to automate the creation, management, and teardown of complex testing environments, dramatically improving developer productivity and reducing operational costs.
This article outlines the typical challenges faced during a DevOps transformation—such as resistance to change, rushed feature delivery, technical debt, team structure, skill gaps, automation, environment provisioning, and cross‑team collaboration—and explains the practical solutions VMware applied to achieve faster, higher‑quality releases.
UI testing ensures that a website’s interface functions correctly and delivers a smooth user experience, covering manual and automated approaches, cross‑browser compatibility, exploratory and scripted techniques, and performance considerations, illustrated with real‑world ticket‑booking examples and practical Selenium automation benefits.
This article details the design, evolution, and operational practices of Ctrip's MySQL database release system, covering its three major versions, the adoption of gh‑ost, safety mechanisms, real‑world case studies, and performance improvements that enable reliable, low‑impact schema changes at scale.
This article describes how a commercial advertising team transformed manual ad‑recall testing into a semi‑automated regression workflow by building comparison, log, result, and case tools, addressing challenges such as anti‑fraud restrictions, data quality, special scenarios, and inter‑case interference.
The article explains how to diagnose and improve frontend performance using Chrome DevTools—particularly Lighthouse for synthetic audits and the Performance panel for runtime profiling—while covering key metrics, automation via the Chrome DevTools Protocol, and the distinction between synthetic monitoring and real‑user monitoring.
This tutorial explains the concept of password‑brute‑force, introduces the open‑source sshfucker library and a custom multithreaded Python script that uses Paramiko to enumerate SSH credentials from a dictionary, and provides step‑by‑step code examples and usage instructions while warning against illegal use.
This article reviews five popular Python automation testing frameworks—Robot Framework, Pytest, UnitTest/PyUnit, Behave, and Lettuce—detailing their prerequisites, strengths, weaknesses, and how they compare, to help developers select the most suitable tool for their projects.
Facing high licensing costs and poor scalability, Lujinso embarked on an 18‑month, self‑driven project to replace 90% of its Oracle databases—spanning billions of rows across financial services—with MySQL, supplemented by Elasticsearch, Redis, TiDB and HBase, using an automated migration platform.
This article details Youzan Retail's mobile continuous integration and delivery system, covering the background, challenges, architecture, packaging, distribution, compile and static checks, local Git hooks, code review workflow, messaging, and future improvements to streamline weekly releases for mobile teams.
This article introduces the Python Faker library, explains why manually creating test data is inefficient, shows how to install Faker, demonstrates basic usage, locale customization, a wide range of built‑in providers for personal, geographic, financial, and network data, and how to create custom providers for reusable mock data in development and testing workflows.
This guide explains how to place a JAR file on a Windows server, create a batch script that runs the JAR, and configure the Windows Startup folder so the application launches automatically after the system restarts.
The article introduces the TcloudServer cloud testing platform, outlines its key features such as cloud devices, workflow management, and dashboards, and provides detailed configuration instructions including Python settings, Jenkins pipeline setup, and parameter definitions for automated mobile monkey testing.
This article outlines a practical four‑step process—Define, Scope, Experiment, Analyze—to help DevOps engineers prioritize automation tasks, assess pain points, and align improvements with business value, offering actionable guidance for effective pipeline and workflow optimization.
This guide walks you through setting up a GitLab CI environment, configuring a Docker‑enabled runner, writing Dockerfile and .gitlab-ci.yml files, and automating code compilation, container image creation, and deployment of a Go application, complete with command examples and troubleshooting tips.
This guide walks through setting up a Windows environment with TestLink, Jenkins, and Eclipse, adding JUnit support, configuring TestLink custom fields, and creating a Jenkins freestyle job that runs Ant builds, invokes TestLink, and publishes JUnit test results for seamless automated reporting.
The article outlines ten frequent pitfalls that organizations encounter when adopting DevOps—such as out‑of‑order delivery, misunderstandings of DevOps roles, lack of flexibility, speed over quality, isolated teams, unautomated databases, insufficient incident handling, limited expertise, security neglect, and team fatigue—and provides practical guidance to prevent these errors for more successful DevOps outcomes.
The article explains why traditional GUI testing is fragile, outlines the benefits of shifting to API testing—including early verification, automation, and comprehensive coverage of positive, negative and edge cases—and offers practical guidance for integrating API tests into an agile CI workflow.
This article explains what technical debt is, why it accumulates in both development and operations, and outlines four DevOps‑driven strategies—including building cross‑functional teams, automation, containerization, and API‑centric design—to identify, track, and repay technical debt while improving cloud migration outcomes.
This tutorial shows how to use Python's openpyxl and python-docx libraries to read company data from an Excel sheet, replace placeholder tags in a Word contract template, and automatically generate individualized contracts for each company in a batch process.
The article details the architecture of 58.com’s SSP advertising platform, identifies three key reliability challenges—data consistency, interface regression, and storage synchronization—and presents a three‑layer testing quality system comprising web‑layer validation, service‑layer automated testing, and data‑layer monitoring with concrete tools and future improvement plans.
The Continuous Delivery Architect (CDA) course teaches DevOps pipeline design, implementation, and management, covering continuous integration, delivery, testing, deployment, monitoring, security, and the cultural practices needed to boost speed, reduce risk, and earn a certification.
This guide walks you through the challenges of rapid system provisioning, explains the benefits of Alibaba Cloud Resource Orchestration Service (ROS), and provides detailed, IDE‑integrated steps for creating, managing, and deploying ROS templates and resource stacks efficiently.
This guide explains how to configure a Bitbucket webhook and a standard Jenkins job with the generic‑webhook‑trigger plugin to automatically receive pull‑request events, extract the PR ID, and trigger downstream actions without relying on a multi‑branch pipeline job.
This article introduces macOS Terminal as the bridge between the kernel and the user interface, explains how to open it, covers fundamental concepts such as commands, paths, and file operations, and provides a collection of practical commands—from simple echoes to disk management and Homebrew installation—while warning about risky operations and offering advanced customization tips.
This article details the end‑to‑end process of designing, publishing, packaging, optimizing, and continuously delivering a reusable React component library at Ctrip, covering npm workflow, build tooling choices, CSS extraction, on‑demand loading, package splitting, collaborative documentation, CI/CD, and automated testing.
This comprehensive guide introduces Ansible, covering its core concepts, features, installation, inventory setup, ad‑hoc commands, module usage, playbook creation, handlers, and role-based organization to enable efficient, agent‑less automation across diverse Linux and network environments.
This article explains what "security as code" means, why shifting security left in the software development lifecycle matters, and provides eleven actionable tips—including understanding Secure SDLC, using SAMM, integrating SAST/DAST, and automating security checks—to help teams embed security directly into their DevOps pipelines.
ShenTan is an automated fault‑localization platform for online services that quickly (under five seconds) pinpoints server‑side issues with developer‑level accuracy by aggregating real‑time metrics, applying a decision‑tree model enriched by expert knowledge and dynamic thresholds, and presenting results through an integrated alert and visualization system, while planning broader endpoint coverage and multi‑tenant support.
Spotify shares a three‑step, product‑focused approach—prioritization, productized migration, and automation—to streamline large‑scale technical upgrades, avoid fragmented legacy systems, and keep engineering teams focused on core business value.
This article walks through the design and implementation of a front‑end tabloid system, covering requirements analysis, a one‑click Chrome extension for article submission, tag taxonomy, backend storage, scheduled delivery via DingTalk and email, and overall architecture to foster continuous learning within a development team.
The article presents practical tips for test developers, covering pseudocode, task breakdown, version control, refactoring, commenting, solution hunting, embracing change, handling inevitable bugs, and automating repetitive work to improve productivity and code quality.
This guide explains how to automate the creation of Jenkins jobs using Hubot plugins, shell scripts, and a Python‑jenkins library, detailing required parameters, installation steps, example scripts, and a help command for users.
This guide explains three ways to send emails using Python—built‑in smtplib, the third‑party zmail library, and the lightweight yagmail package—covering setup, code examples for constructing messages with attachments, and best practices for reliable email delivery.
This article explains how reinforcement‑learning (Q‑learning) can generate mock interface data for regression testing, how Puppeteer automates UI interactions, and how a DSL‑plus‑runtime approach enables scalable pop‑up components, reducing testing costs in complex e‑commerce interactions.
This tutorial walks through building a simple Python web crawler that searches the Pansou site, handles AJAX‑loaded JSON data, extracts file links, and enables interactive downloading, illustrating core backend techniques such as HTTP GET requests, JSON parsing, and user‑driven pagination.
This article explains how to identify and interact with both standard and custom HTML dropdown menus in Selenium WebDriverIO, covering the Select class and its methods selectByIndex, selectByVisibleText, and selectByAttribute, with code examples for single‑ and multi‑value selects.
This article provides a comprehensive overview of continuous integration and delivery, covering traditional release challenges, CI/CD concepts, Jenkins architecture, personal implementation experiences, and practical advice for mastering DevOps pipelines and automation.
This article explains the scenarios, workflow, and implementation details of creating a Java code generator using Freemarker templates, including template design, data binding, and sample code that produces POJO classes automatically.
The 2020 Global DevSecOps survey reveals that CI/CD not only speeds up code releases but also automates many manual tasks, fundamentally changing the responsibilities of developers and operations engineers, blurring traditional role boundaries and creating new opportunities for automation and testing.
This article explains how GitLab CI/CD can be configured to run cross‑project pipelines, trigger downstream jobs, specify branches, and pass variables, illustrating the process with code examples and visual pipeline diagrams for continuous integration.
Alibaba Entertainment transformed its capacity management from manual, experience‑based decisions to a fully automated system that continuously evaluates single‑machine performance, identifies performance and success‑rate breakpoints, and drives elastic scaling, dramatically improving resource utilization, availability, and development efficiency across all its applications.
API testing, a core form of backend functional testing, is essential because modern services share a single set of interfaces across web, mobile and mini‑programs, and mastering it provides the foundation for automation and performance testing while boosting employability.
To streamline Oracle SQL script reviews, this guide shows how to adapt the open‑source SOAR tool—originally built for MySQL—by defining custom rules, installing Go and Git, compiling the source, and integrating a web UI, enabling automated, 90% coverage of Oracle SQL checks.
This guide walks you through installing Node.js, creating a project directory, installing Cypress via npm, launching the tool, and understanding its default file structure, providing clear step‑by‑step instructions and screenshots for a smooth setup.
This article introduces AppleScript—a macOS‑built scripting language that enables automation by controlling the system and applications—covers its distinctive features, the built‑in Script Editor, fundamental syntax such as dialogs, variables, conditionals, loops, and provides practical code examples for tasks like launching Safari, handling UI elements, and automating QQ login.
The article explains why programming has become essential for software testers, compares Java and Python for automation, and offers practical ways—continuous coding, problem‑solving on OJ platforms, and project practice—to steadily improve coding ability.
This guide explains why and how to use the Git Parameter plugin in Jenkins to enable dynamic branch selection for both Freestyle and Pipeline jobs, covering configuration steps, code examples, and best‑practice considerations for reliable CI/CD workflows.
The article explains how to isolate testing scenarios and choose appropriate testing methods for various business contexts—storefront changes, order processing, and cross‑platform integrations—by establishing baseline data, comparing results, and leveraging tools like YApi to improve quality and efficiency.
After two months of intensive development, the team launched a new monitoring and alerting platform that transforms a legacy system into a service‑oriented solution, addressing pain points such as inflexible escalation, noisy alerts, and poor ownership while introducing phone alerts, automated escalation, Prometheus integration, and a unified rule engine.
This article categorizes the most popular 2020 DevOps tools across development, testing, deployment, runtime, and collaboration, explains why each tool leads its class, lists key advantages and competitors, and offers a practical checklist for assembling a full CI/CD pipeline.
This guide explains how to configure an Android project, write Python upload scripts for Fir.im and Pgyer, create a Jenkinsfile with checkout, build, and upload stages, set up Jenkins global variables and pipeline parameters, and run a full build‑test cycle to publish APKs via QR codes.
