This article provides a comprehensive overview of Docker images, covering their definition, architecture, layered storage, UnionFS mechanism, benefits such as isolation and portability, and how to pull images from Docker Hub, while also offering promotional resources for further learning.
At the GOPS 24 Global Operations Conference, CAICT’s Deputy Director of Audit and Governance, Niu Xiaoling, outlined the rise of organization‑wide DevOps, its construction, assessment frameworks, BizDevOps integration, demand‑management standards, AI‑driven models, and the latest international evaluation processes shaping China’s digital transformation.
This article provides an in‑depth tutorial on Viper, a full‑featured Go configuration library, covering its features, usage scenarios, loading priorities, reading from files, environment variables, command‑line flags, remote stores, and best practices for managing application settings.
This article details Minsheng Bank’s successful achievement of Level‑3 Continuous Delivery in the CAICT DevOps maturity model, highlighting the assessment process, interview insights from senior tech leaders, measurable efficiency gains, and the broader significance of standardized DevOps practices for enterprise digital transformation.
Becoming a Linux master means first grasping why operating systems exist, then steadily acquiring fluency with the command line, system configuration, scripting, performance tuning, security, kernel internals, virtualization, containers, networking, and monitoring tools, while continuously learning across distributions to diagnose faults and optimize resources.
This guide explains why Docker containers default to UTC, then walks through three practical ways—mounting host timezone files, setting the TZ environment variable, and using timedatectl or scripts—to ensure container time matches the host for reliable logging and scheduling.
China Agricultural Bank’s five key projects—including a unified encryption platform, mobile note app, WeChat credit‑card service, open‑banking gateway, and IoT operation module—successfully passed the CAICT DevSecOps Level‑2 assessment, demonstrating advanced security capabilities and offering valuable insights into large‑scale DevSecOps implementation.
China Southern Airlines' BTRIP and POMS projects passed the CAICT DevOps Continuous Delivery Standard, showcasing how standardized DevOps practices, agile development, CI/CD pipelines, and targeted team initiatives dramatically improved software quality, delivery speed, and operational efficiency in the airline industry.
This article examines the origins and goals of software development standards, explains why they often break down when enforced through tools, presents concrete examples of such failures, and shares insights from Alibaba's Aone platform that guide the design of a more effective DevOps‑centric R&D workflow.
This article explains how DevOps is a core component of cloud native, outlines the challenges of modern software complexity, describes JD's DevOps evolution across management, engineering, and efficiency measurement, and details the key features, application scenarios, and transformation services of JD Cloud's Xingyun DevOps platform.
This article explores the relationship between DevOps and cloud‑native, outlines the challenges of modern software complexity, details JD’s end‑to‑end DevOps platform, its eight key features, six typical application scenarios, and the comprehensive organization‑level transformation services JD Cloud offers to accelerate digital agility.
GitLab introduces its Duo Chat AI assistant for streamlined development while also previewing the upcoming jQuery 4.0 release and promoting JavaScript "Naked Day," offering developers insights into new tools, security practices, and upcoming web standards.
In 2024 the author reflects on a decade of backend evolution and shares a practical, experience‑driven guide to the cloud‑native stack—including Kubernetes, multi‑cloud strategies, DevOps tooling, service mesh, observability, and message‑queue choices—tailored to teams of different sizes.
This guide introduces K8sGPT, explains its prerequisites, shows how to install it via Homebrew, and provides step‑by‑step commands to authenticate, configure filters, analyze clusters, and retrieve detailed explanations, enabling engineers to quickly diagnose and optimize Kubernetes environments.
The hidden .git folder stores all repository data—including configuration, branch references, commit objects, logs, the staging index, and executable hooks—organized into subdirectories such as config, objects, refs, logs, info, hooks, and index, enabling Git to track history, manage branches, and automate workflows.
This article explains how Docker's new CLI tool docker init uses generative AI to automatically generate Dockerfiles, docker‑compose files, and .dockerignore for a project, walking through a Flask example, showing commands, generated code, and the benefits of faster, safer container setup.
This article compiles several Zhihu contributors' perspectives on adopting Kubernetes, weighing cost, operational benefits, potential pitfalls, and practical command‑line examples to help developers decide whether container orchestration truly fits their projects.
Amid China’s digital transformation, the 2023 DevOps State Survey shows rising maturity, with over 60% of firms reaching full DevOps capability, and highlights China Aviation’s flight‑management system—leveraging domain‑driven design, cloud platforms, and automated fault isolation—to become the civil‑aviation sector’s first enterprise to pass the CAICT DevOps technical‑operation standard at level 2+.
Amid China’s digital transformation, enterprises are adopting DevOps to boost IT efficiency, with the 2023 DevOps Survey showing rising agility and continuous delivery capabilities; over 60% achieve full maturity, and notable case studies include FAW‑Volkswagen and Midea’s iBUILDING platform demonstrating measurable performance gains.
This guide explains the limitations of Ansible ad‑hoc commands, introduces the playbook‑play‑task hierarchy, demonstrates YAML syntax for playbooks, shows how to run and interpret playbook output, and covers host targeting, task parameters, and execution strategies for efficient automation.
This guide explains how to avoid interactive password prompts in Ansible by using Ansible Vault’s AES‑256 encryption, covering creation, viewing, editing, re‑keying, and best‑practice strategies for managing multiple vault IDs and credential passwords in automated workflows.
At the 2024 GOPS Global Operations Conference, Bilibili senior R&D engineer Gu Lintao will present BCM—Bilibili’s Chaos Engineering Platform—showcasing how its design and capabilities let developers, testers, and SREs safely inject faults, uncover hidden architectural risks, and improve service stability through real‑world drills and systematic reliability engineering.
This article summarizes the 2024 CAICT DevOps maturity assessments of 25 major Chinese companies, highlighting the standards, evaluation results, and concrete improvements in continuous delivery, technical operations, security, and system tooling across diverse industries.
This article explains Docker's core concepts—including images, containers, Dockerfile, registries, and the client‑server architecture—while also covering Docker Compose, Docker Swarm, and how they relate to Kubernetes, providing a concise yet comprehensive overview of containerization and its role in modern cloud‑native development.
This article explains how to manage Jenkins deployment permissions using RBAC and the Role‑Based Authorization Strategy plugin, covering RBAC fundamentals, plugin installation, creating users, jobs, groups, roles, and assigning permissions to ensure secure and organized pipeline access.
The 2023 China DevOps Survey reveals that telecom operators are rapidly advancing their DevOps maturity, with over 60% achieving comprehensive maturity, driven by standardized models, continuous delivery practices, and extensive industry assessments across more than twenty sectors.
This article compiles thirty actionable tips that cover the entire software development lifecycle—from technical selection and tooling to CI/CD, monitoring, and knowledge sharing—helping engineering teams dramatically improve collaboration, productivity, and delivery quality.
This article introduces the key DevOps tools—including CI/CD platforms, configuration‑management solutions, containerization technologies, monitoring and logging stacks, and infrastructure‑as‑code utilities—explaining their roles, features, and how they help streamline software delivery in modern enterprises.
A collection of candid insights from Chinese tech professionals explains why operations roles are hard to fill, highlighting low visibility, diverse skill demands, poor compensation, and mismatched expectations across companies.
The author recounts his early DevOps experiences with continuous integration using TFS, PowerShell, and Azure, reflects on the current undervaluation of DevOps, reviews the “Jenkins 2.x Practical Guide” and highlights sociological insights and practical challenges of adopting CI/CD pipelines.
The 2023 China DevOps Survey reveals that major securities and futures exchanges have significantly advanced their DevOps maturity, with many achieving level‑3 continuous delivery assessments, reduced delivery cycles, higher test coverage, and faster build times, illustrating the impact of digital transformation on IT efficiency.
This article reviews the 2023‑2024 DevOps capability maturity assessments of six major Chinese insurance firms, highlighting their certified projects, the continuous delivery standards achieved, and how adopting the CAICT DevOps model drives faster, higher‑quality software delivery and digital transformation across the industry.
The article explains how rapid digital transformation forces IT operations to shift from traditional, technology‑centric maintenance toward a business‑focused operations model, outlining the challenges, definitions, strategic benefits, practical steps, and organizational changes needed for successful adoption.
The article analyzes the concept of test left‑shift, outlining its theoretical benefits and drawbacks, sharing practical pain points from NetEase Cloud Music, and presenting a comprehensive pre‑, during‑, and post‑shift automation and monitoring strategy to improve software quality and delivery speed.
The 2023 China DevOps Survey reveals that Chinese banks are increasingly adopting DevOps to boost IT efficiency, with over 100 enterprises completing 351 assessments across multiple standards, showcasing concrete case studies of mobile banking, cloud platforms, and security initiatives that illustrate the practical impact of the CAICT DevOps maturity model.
This article explores the GitOps approach for cloud‑native environments, detailing its principles, benefits, and step‑by‑step implementation—including standardized content storage, declarative configuration, automated deployment/rollback, and change verification—to boost development efficiency and reliability.
This guide explains how to install Docker, pull the official MySQL image, run a MySQL container with persistent storage, connect to it, perform basic SQL operations, and finally stop and remove the container, demonstrating a complete end‑to‑end deployment using Docker.
The 2024 report details how major Chinese banks have adopted the CAICT DevOps Capability Maturity Model, showcasing assessment results across multiple standards—continuous delivery, technical operations, security, system tools, BizDevOps and efficiency measurement—highlighting improvements in agility, automation and overall IT efficiency.
The 2023 China DevOps Status Survey reveals that state-owned banks have steadily improved their DevOps maturity, with over 100 enterprises evaluated across 20+ industries, showcasing detailed case studies, assessment results for agile development, continuous delivery, security, and performance standards that illustrate the impact of DevOps on banking digital transformation.
The article outlines China's 2023 DevOps landscape, highlighting the CAICT‑led DevOps Capability Maturity Model, extensive assessment data across more than 100 enterprises—including 25 banks—and the measurable performance gains achieved through standardized DevOps adoption.
This article explains how Kubernetes serves as a middle layer between applications and servers, detailing its control plane and node components, the role of pods, containers, and the deployment process using YAML and kubectl, and how it simplifies scaling, restarting, and service access.
This article explains the essence of DevOps pipelines, outlines the characteristics of a high‑quality pipeline model—including clear layering, strong orchestrability, fan‑in/fan‑out support, and multi‑condition execution—illustrates real‑world analogies, and details how cloud‑native pipelines upgrade to a three‑layer stage/atom architecture with both graphical and YAML orchestration options.
This article explains why Site Reliability Engineering (SRE) emerged, outlines its core responsibilities, required skill set, and how SRE teams use SLOs, monitoring, and scenario drills to improve system reliability, performance, and observability in complex production environments.
This article explains the fundamentals of DevOps pipelines, outlines the characteristics of an excellent pipeline model such as clear layering, high orchestrability, fan‑in/fan‑out support, and flexible execution conditions, and describes how cloud‑native pipeline models are upgraded with stage and atom concepts, DAG orchestration, YAML configuration, and practical UI operations.
The article explains DevOps as a cultural and technical practice that integrates development and operations, outlines its core principles such as automation, continuous delivery, and collaboration, and describes how cloud computing enhances DevOps through infrastructure automation, scalability, monitoring, and security to accelerate digital transformation.
This article compiles several Zhihu answers that explain the various operations (运维) roles—SRE, network, system, DBA and development—describe their responsibilities, challenges, and career prospects, and answer whether the work is boring and if it’s worth pursuing.
This article explains how an operations platform can automate and streamline IT management by detailing its core value, essential components such as CMDB, monitoring, automation tools, ticketing, and analytics, and outlining implementation steps, technology choices, and advanced extensions like AI and DevOps integration.
This article explores the concept of R&D efficiency, outlines its goals, debunks common misconceptions, and presents a practical framework—including practice, platform, and measurement components—supported by visual models to help technology organizations improve delivery speed, quality, reliability, and sustainability.
This article explains the role of an operations (运维) engineer, covering daily responsibilities, essential knowledge such as Linux and networking, common monitoring tools, and emerging career paths like DevOps, AIOps, and SRE, helping newcomers understand how to start and grow in the field.
After four years running infrastructure at a fast‑growing startup, the author reviews almost every major decision—from choosing AWS over GCP and adopting EKS, RDS, and Redis, to automating post‑mortems with Slack bots, standardising IaC with Terraform and GitOps, and evaluating SaaS tools like DataDog, PagerDuty, and Notion—highlighting the benefits, regrets, and practical lessons learned.
This article provides a detailed outline of an enterprise‑grade Kubernetes operations curriculum, covering cluster installation, component deployment, high‑availability, networking, storage integration with Ceph, Helm package management, microservice migration with Spring Cloud, CI/CD pipelines using Jenkins, and service mesh fundamentals with Istio.
This article reviews the ten most important open‑source monitoring and observability tools for modern DevOps teams in 2024, outlining each tool's key features, advantages, disadvantages, and how they compare for performance, scalability, cost and ease of use.
Development Containers use containerization, configuration-as-code, and Dev‑Prod parity to provide repeatable, shareable development environments that streamline CI/CD, reduce "works on my machine" issues, and boost team collaboration.
This article explains how to configure Kubernetes Horizontal Pod Autoscaler (HPA) for automatic pod scaling, covering core concepts, metric selection, and two detailed YAML examples that demonstrate scaling based on CPU utilization and custom data‑processing rates.
This guide shows how to combine GitHub Codespaces, Docker‑in‑Docker, and KinD to create a fully functional, cloud‑based Kubernetes development environment that eliminates local setup, improves accessibility, and reduces costs, while providing step‑by‑step instructions and essential commands for deployment and testing.
This article provides a comprehensive overview of Docker containers, covering their definition, core components, implementation mechanisms such as namespaces, cgroups, and UnionFS, and practical application scenarios like microservices, CI/CD, and rapid deployment, while illustrating key concepts with diagrams and command examples.
This article explains the evolution of software development and operations in China, introduces the Continuous Testing concept and its five‑level maturity model, details each phase from requirements to feedback, showcases real‑world assessments by major banks and securities firms, and announces the 2024 Continuous Testing capability evaluation program.
This article provides a comprehensive, English-translated list of 78 PDF resources covering Kubernetes advanced development topics such as CKAD exam updates, kubeadm source analysis, Go module management, client‑go libraries, custom controller creation, and API usage, organized into three progressive sections.
Vivo’s online‑offline co‑location platform consolidates latency‑sensitive online services and batch offline workloads on shared Kubernetes nodes, using differentiated resource views, priority‑based QoS, and safety watermarks to boost CPU utilization from 13 % to 25 %, adding 20 000 cores and 50 TB memory for peak‑hour offline tasks.
This article explains how to measure the operations automation rate, outlines the challenges of manual ops, and provides a step‑by‑step guide to creating a coding‑based automation platform on Taishan‑Qilin, including formulas, code examples, deployment, and real‑world results.
This guide explains how to implement a blue‑green deployment on Kubernetes with host‑ and path‑based routing, covering prerequisites, namespace creation, deployment manifests, service and ingress configuration, traffic switching, updates, verification, and rollback procedures.
The article explains how Gartner predicts DevOps will reach production maturity by 2024‑2027, describes China CAICT's organization‑level DevOps assessment framework, its standards, classification rules, statistical results across industries, and the tangible benefits reported by participating enterprises.
This guide introduces Docker’s fundamental concepts—including images, containers, registries, and UnionFS—explains how to install Docker on Ubuntu, and provides essential commands for managing images, containers, networks, volumes, and logs, helping you quickly set up and operate containerized environments.
This article outlines the core responsibilities of IT operations, examines the current state and management goals, and provides a detailed roadmap for automating tasks such as server provisioning, environment definition, deployment, monitoring, and version release across multiple maturity stages.
This article explains how DevOps, through practices like CI/CD, automated testing, enhanced collaboration, infrastructure as code, continuous feedback, integrated security, and resource efficiency, can accelerate development, improve quality, boost security, and optimize resource utilization in modern software projects.
McDonald's engineering team built a fast, reliable, and flexible continuous integration system by leveraging reusable GitHub Actions workflows, centralizing CI code, defining a golden‑path pipeline, balancing developer autonomy, and adding observability across multilingual microservices, improving productivity and maintainability.
This article outlines the key technical and soft‑skill competencies—including programming, Linux, configuration management, infrastructure as code, CI/CD, networking, security, monitoring, and cloud services—that aspiring DevOps engineers need to master in order to effectively bridge development and operations.
This article explains why containerizing Java applications with Docker is beneficial, outlines the steps to create a Dockerfile, build and run the image, and demonstrates using Docker Compose (and briefly Kubernetes) to manage a Spring Boot service, providing full code examples.
An extensive overview of essential DevOps tools for 2024, covering categories such as version control, CI/CD, container orchestration, configuration management, infrastructure as code, monitoring, collaboration, artifact repositories, testing, security, deployment automation, serverless platforms, and database management to guide effective tool selection.
This guide compiles a comprehensive set of kubectl and Docker commands for retrieving logs, sorting pods, managing secrets, cleaning resources, debugging, port forwarding, and performing cluster maintenance tasks, helping administrators streamline Kubernetes operations and troubleshoot issues effectively.
This guide shows how to install Multipass on macOS, create and manage lightweight Ubuntu virtual machines using simple CLI commands, configure resources, mount volumes, transfer files, and automate setup with cloud‑init, providing a fast alternative to heavyweight virtualization tools for local development.
This article provides a comprehensive overview of the Apache Software Foundation's infrastructure services and tools—including website hosting, email, self‑service platforms, version‑control repositories, issue‑tracking systems, CI/CD pipelines, code quality, publishing, virtual machines, and miscellaneous utilities—helping DevOps and SRE engineers understand and leverage Apache's operational ecosystem.
This article provides a detailed, step‑by‑step tutorial on enterprise‑grade Git branching models, development processes, common commands, merge strategies, troubleshooting tips, and advanced techniques such as cherry‑pick and rebase, helping newcomers and teams adopt a reliable version‑control workflow.
This article explains how to install Ansible, use its basic playbook commands, structure a playbook, and leverage built‑in modules, register and when statements to fully automate Docker and Docker‑Compose deployment on CentOS systems.
This article shares practical guidance drawn from over a decade of software engineering experience, illustrating common pitfalls such as false delivery, broken promises, and poor communication, and offering structured advice on setting goals, planning, requirement discussion, coding, code review, and documentation to build a trustworthy professional programmer persona.
This article introduces Docker's core architecture, common command-line tools, compares containers with traditional virtual machines, and explains the underlying Linux technologies—namespaces, cgroups, and union file systems—that enable lightweight, portable, and efficient containerization.
The article examines the wide range of opportunities for operations engineers, highlighting the low‑entry, high‑potential nature of the field, and offers practical advice on city selection, education, in‑demand technologies, soft‑skill development, and health to help professionals climb from basic desktop support to high‑paying DevOps or SRE roles.
This article explains how to incorporate the SQLE SQL auditing tool into a DevOps workflow using GitLab, GitLab‑Runner, and Docker, detailing environment setup, CI/CD configuration, and automated scanning to ensure compliance and reduce production risks.
This comprehensive guide presents 200 essential Kubernetes interview questions covering fundamentals, architecture, real‑world scenarios, and advanced topics, complete with concise answers, diagrams, and practical insights to help candidates ace container orchestration interviews.
This article analyses the inherent trade‑offs of low‑code platforms, explaining why the three core goals—easy to use, powerful functionality, and low system complexity—cannot be simultaneously achieved, and proposes focusing on the most common scenarios while providing escape‑hatch mechanisms for advanced needs.
The 21st GOPS Global Operations Conference in Shanghai featured Shenwan Hongyuan Securities' Yusi Song presenting an in‑depth look at automated operations, covering achievements, experience summaries, and future plans, with slide images and a downloadable PPT for attendees.
At the 21st GOPS Global Operations Conference, New Oriental's senior operations manager Qi Chen detailed the demand, technical, and focus pressures that drove a phased, full‑process observability standardization, leveraging OpenTelemetry, Telegraf, Loki and CMDB tagging to achieve cost reduction and higher stability.
This guide explains how to use Nacos as a centralized configuration center in Spring Boot micro‑services, covering common pitfalls of static configs, best‑practice namespace/group/DataId design, dependency setup, YAML examples, security annotations, role‑based access, Dockerfile tweaks, CCE deployment, database schema, and Kubernetes manifests for test and production environments.
This article provides a thorough overview of DevOps, covering its emergence, the conflict between development and operations, core principles such as automation, continuous delivery and collaboration, and practical steps for cultural and technical adoption to improve software delivery.
In the context of digital transformation, six leading Chinese telecom operators applied the CAICT DevOps Capability Maturity Model to evaluate dozens of projects, achieving significant improvements in continuous delivery, technical operations, security, and AIOps, providing valuable references for the industry.
This guide outlines essential principles for effective test automation within DevOps, covering investment planning, test case selection, result consistency, design techniques, language choice, application awareness, robustness, high‑quality test data, exploratory testing, and alert system implementation.
In the context of digital transformation, six major Chinese insurance companies leveraged the CAICT DevOps Capability Maturity Model to evaluate and improve their IT operations, achieving higher efficiency, integrated team resources, and stronger support for business systems across nine evaluated projects.
This article explains why long‑running Kubernetes clusters can suffer memory‑leak errors and certificate expiration, and provides detailed, command‑line solutions including disabling kmem accounting, recompiling runc and kubelet, and extending certificate validity to ten years.
Amid a nationwide digital transformation push, four leading Chinese exchanges adopted the CAICT DevOps Capability Maturity Model, achieving multiple level‑3 and level‑2 assessments that boosted IT efficiency, integrated resources, and better supported business systems, offering valuable lessons for the industry.
Amid a nationwide digital transformation push, twelve Chinese city commercial banks adopted the CAICT‑led DevOps Capability Maturity Model, achieving higher IT efficiency, integrated resources, and faster, higher‑quality service delivery across continuous delivery, technical operations, security, and performance measurement standards.
This article summarizes the latest DevOps Capability Maturity Model assessments across China's banking sector, highlighting that 25 banks have completed 159 evaluations, with detailed breakdowns for state‑owned, joint‑stock, and city commercial banks, and provides links to the full assessment results and model overview.
Seven leading Chinese joint‑stock banks have evaluated a total of 62 projects against the CAICT DevOps Capability Maturity Model, revealing how continuous delivery, technical operation, security, and performance measurement standards are driving IT efficiency, cultural change, and faster value delivery across the financial sector.
In the context of digital transformation, six major state-owned Chinese banks and their subsidiaries have leveraged the China Academy of Information and Communications Technology's DevOps Capability Maturity Model to assess and improve agile development, continuous delivery, technical operations, application design, security, and toolchain performance, showcasing concrete project outcomes and industry‑wide best practices.
The article explains how the operation and maintenance phase is crucial in an information system’s lifecycle, outlines the three layers of ops value, compares development and ops roles, discusses professional ops teams, DevOps integration, and challenges in unified service delivery.
This comprehensive guide delves into DevOps architecture, explaining core concepts like continuous integration, delivery, and deployment, showcasing essential tools such as Jenkins, Docker, Kubernetes, and GitLab CI, and illustrating best practices and real‑world case studies from Netflix and Etsy to help teams accelerate, automate, and improve software delivery.
The article explains how the operations phase is the pivotal stage of an information system’s lifecycle, outlines three layers of ops value, contrasts development and ops responsibilities, describes the benefits of a specialized ops team, and addresses challenges and best practices for unified, secure, high‑availability service delivery.
This guide walks through building a Go number‑guessing game, containerizing it with Docker, pushing the image, and deploying the application to a Kubernetes cluster using a Deployment manifest, then verifying and running the game inside the pod.
Amid China's sweeping digital, networked, and intelligent transformation, over 100 leading enterprises across banking, finance, communications, manufacturing, and other sectors have participated in DevOps and AIOps maturity model evaluations, providing a comprehensive view of industry adoption, capability levels, and emerging best practices for 2023.
This article examines how Shentong, a logistics company, built a comprehensive mobile testing ecosystem—including functional, compatibility, and specialized tests—leveraging automation, a DevOps‑driven packaging pipeline, and a Jenkins‑based framework to dramatically improve testing efficiency and product quality.
Amid China's sweeping digital transformation, the China Academy of Information and Communications Technology (CAICT) reports that 104 leading enterprises across banking, securities, insurance, telecom, manufacturing and other sectors have completed 336 DevOps maturity assessments and 23 enterprises have finished 45 AIOps assessments in 2023, highlighting industry‑wide adoption of DevOps and AIOps standards and offering detailed breakdowns by sector, evaluation levels, and future guidance.
