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.
This article compares Pulumi and Terraform, highlighting Terraform's steep learning curve, secret‑management challenges, and productivity drawbacks while showcasing Pulumi's multi‑language support, built‑in secret store, easier team collaboration, Terraform state integration, and testing capabilities.
Drawing from three years of managing Kubernetes clusters across Azure and AWS, the author shares ten practical lessons covering cloud‑native deployment, infrastructure as code, Helm chart usage, service mesh decisions, resource limits, stateless design, HPA configuration, and strategies for regular upgrades, aimed at both newcomers and seasoned practitioners.
TangoFlow is a low‑code, flow‑based programming platform that lets NetEase Cloud Music developers visually assemble, debug, and deploy backend service orchestrations via drag‑and‑drop nodes, generating DSL for execution, reducing script sprawl, resource waste, and governance gaps while integrating with the existing Tango UI.
This article provides a concise, practical guide to Kubernetes fundamentals, covering pod creation, the essential compute‑network‑storage resources, cluster components, native objects like Deployments and StatefulSets, and the trade‑offs of standardization, elasticity, and extensibility.
This article walks through installing RabbitMQ 3.12.6‑management via Docker‑Compose V2, covering image selection, configuration details, plugin setup for delayed messages, common pitfalls, and .NET client connection examples, providing practical tips for reliable messaging in backend systems.
This tutorial demonstrates how to use Docker‑Compose to deploy a Redis exporter, configure Prometheus to collect its metrics, and define alerting rules for Redis health monitoring, providing step‑by‑step commands and YAML examples for a complete monitoring setup.
This guide demonstrates how to use a Jenkins pipeline together with a single .tpl template and sed commands to automatically generate and deploy multiple Kubernetes configuration files, streamlining the deployment of numerous similar services while reducing maintenance overhead and error risk.
This article outlines the comprehensive responsibilities of internet operations—including stability, security, efficiency, system and application maintenance, database management, automation, and security—while tracing the historical evolution of operational teams from manual data‑center tasks to sophisticated, self‑scheduling platforms.
Guoxin Securities introduced a comprehensive five‑level technical operations maturity standard that integrates regulatory requirements, CAICT DevOps best practices, and internal management needs, detailing framework, level classification, innovative practices, and future rollout plans to enhance fine‑grained IT operation management.
The article details Meituan’s store‑front development team’s progression through standardization, online‑ization, automation and digitalization, describing the challenges of multi‑platform coordination, the implementation of a unified DevOps workflow, and the resulting continuous‑delivery infrastructure that now supports thousands of front‑end projects across iOS, Android, H5 and dynamic bundles.
This document presents a thorough overview of cloud‑native DevOps, covering the evolution of related technologies, detailed analysis of virtualization, container orchestration, CI/CD pipelines, programming language choices, system architectures, database options, build tools, and five step‑by‑step practice cases that demonstrate end‑to‑end automation, monitoring, and release management in Kubernetes environments.
This article explains the concept of Butler‑style operation and maintenance, outlining its core principles, distinctive features, and a step‑by‑step implementation guide that helps enterprises achieve stable, secure, and innovative IT services while freeing resources for core business growth.
This article compares testing, development, and operations careers in the IT industry, highlighting entry barriers, salary prospects, work intensity, longevity, and the impact of emerging technologies like CI/CD, DevOps, and cloud computing on each path.
This article examines the fundamentals of DevOps pipeline models, outlines the characteristics of an excellent pipeline, compares JD's cloud‑native solution with competitors, and provides practical scenarios and step‑by‑step guidance for building, adjusting, and exporting pipeline workflows.
This comprehensive guide covers kubectl basics, autocomplete setup, context configuration, creating, viewing, updating, patching, editing, scaling, and deleting resources, as well as interacting with pods, nodes, and using the kubectl set family for resources, selectors, and images.
This article walks through the evolution of a Jenkins pipeline to not only build and push Docker images but also to deploy to Kubernetes with health checks for Deployments and StatefulSets, incorporating rolling update strategies and comprehensive status verification to ensure reliable CI/CD workflows.
This article explores the challenges of test environment deployment in modern DevOps, explains why Kubernetes offers a natural solution, details its design principles and core objects, and presents practical patterns for integrating Kubernetes‑based environments into CI/CD pipelines to achieve high cohesion, low coupling, and scalable testing workflows.
China Galaxy Securities detailed how three core projects passed the DevOps Continuous Delivery Level‑3 assessment, highlighting tool upgrades, process improvements, metric gains, cultural shifts, and future plans that illustrate the tangible benefits of standardized DevOps practices in a financial institution.
DevOps and the emerging NoOps approach reshape the traditional software development lifecycle by fostering continuous development, tighter collaboration between developers and operations, and leveraging serverless technologies to automate operational tasks, thereby shortening delivery cycles and enabling startups and small applications to achieve faster, high‑quality releases.
The article details China Civil Aviation Information Network's flight management system passing the CAICT DevOps Technical Operations Level 2+ assessment, explores the interview insights on the project's design, operational improvements, and the broader significance of DevOps standards for digital transformation in the aviation industry.
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 practices for managing branch builds efficiently.
Zhongtai Securities’ Centralized Operations Platform passed the CAICT DevOps Technical Operations Level‑2 assessment, showcasing how standardized DevOps practices and tool empowerment can boost quality, efficiency, and digital transformation across banking, securities, and other industries.
Jinzhou Bank’s mobile banking investment service micro‑service transformation project passed the CAICT’s DevOps Continuous Delivery Level‑3 assessment, showcasing how standardized DevOps practices, agile adoption, and tool‑chain empowerment dramatically improved delivery speed, quality, and operational efficiency, positioning the bank at a domestic industry‑leading level.
This article details Hunan Sanxiang Bank’s successful DevOps technical‑operations assessment, describing the standards, the evaluated industrial banking platform, the improvements made in processes, configuration and capacity management, and the bank’s future plans for deeper DevOps adoption and digital transformation.
Five Minerals International Trust’s OGP platform passed the CAICT DevOps Continuous Delivery Level 3 assessment, marking the first trust‑industry certification in China; the interview reveals how standard‑based DevOps, team restructuring, automation, and cloud‑native architecture boosted efficiency, quality, and security.
This guide outlines practical Kubernetes best practices—including health checks, graceful shutdown, resource limits, security policies, network policies, RBAC, autoscaling, and logging—to help you build secure, resilient, and efficiently managed services on a cloud‑native platform.
China Postal Savings Bank’s "Star Platform" passed multiple CAICT DevOps maturity assessments, showcasing how standardized toolchains and continuous delivery pipelines can dramatically boost quality, efficiency, and security for large financial institutions.
This article examines China Post Insurance's journey to achieve Level 3 Continuous Delivery certification in the national DevOps maturity model, highlighting interview insights, performance metrics, implementation challenges, and future plans that illustrate the tangible benefits of standardized DevOps practices.
China Galaxy Securities leveraged the CAICT DevOps maturity model to assess three critical projects, achieving Level 3 continuous delivery certification and demonstrating significant improvements in automation, quality, and cross‑functional collaboration across its financial services platform.
The article details China Postal Savings Bank's successful DevSecOps assessment, showcasing the bank's cultural, procedural, and technical implementations that boosted security, collaboration, and compliance, while sharing interview insights and future plans for broader DevSecOps adoption.
This guide shows how to replace tedious manual jar deployment with a simple one‑click CI/CD solution, providing stop and start shell scripts, Jenkins integration, and deployment automation to speed up testing and production releases.
Zhongtai Securities’ centralized operations platform recently passed the China Academy of Information and Communications Technology’s DevOps Technical Operations Level‑2 assessment, showcasing how standardized DevOps practices, tool empowerment, and rigorous evaluation can boost quality, efficiency, and digital transformation across financial institutions.
Jinzhou Bank’s mobile banking investment service microservice transformation project passed the CAICT DevOps Continuous Delivery Level 3 assessment, showcasing how standardized DevOps practices, tool empowerment, and agile adoption dramatically improved delivery speed, quality, and competitive advantage in the financial sector.
This article examines how Hunan Sanxiang Bank leveraged the CAICT DevOps maturity model to attain level‑2 technical operation certification, detailing the platform architecture, process improvements, tool adoption, and broader industry standards that drive digital transformation in banking.
In a detailed interview, Five Minerals International Trust explains how its self‑developed Operations Guarantee Platform passed the CAICT DevOps Continuous Delivery Level 3 assessment, showcasing the benefits of standardized DevOps practices, improved efficiency, quality, security, and the broader impact on its digital transformation and industry adoption.
This article details China Post & Savings Bank's journey to pass the Level‑3 Continuous Testing assessment, highlighting the bank's DevOps practices, interview insights from its software R&D leader, and the broader significance of testing standards for software quality in the financial sector.
China Agricultural Bank became the first state‑owned bank to pass the Level‑3 Continuous Testing assessment, showcasing how DevOps‑driven testing, rigorous standards, and systematic practice can elevate software quality and accelerate digital transformation across the banking sector.
The article details how China Civil Aviation Information Network's flight management system passed the CAICT DevOps Technical Operations 2+ assessment, showcasing the role of standardized DevOps practices, cloud‑native architecture, and continuous delivery pipelines in boosting efficiency, safety, and competitiveness in the aviation industry.
The interview reveals how FAW‑Volkswagen leveraged the CAICT DevOps maturity model to achieve Level 3 continuous delivery for its OTD order‑delivery platform and multi‑functional dealer ecosystem, detailing the standards, implementation steps, performance metrics, challenges faced, and future plans for broader digital transformation.
China Postal Savings Bank’s software R&D center detailed how its "Star Platform" earned top‑level DevOps system and tool assessments, showcasing the bank’s automation capabilities, the evaluation process, key improvements, and future plans for expanding DevOps and XOps practices across the organization.
China Galaxy Securities leveraged the CAICT DevOps maturity model to pass Level 3 continuous delivery assessments for three core projects, boosting delivery quality, efficiency, and cross‑functional collaboration while showcasing measurable improvements in test coverage, automation, and operational stability.
This article details China Post Insurance's successful DevOps continuous‑delivery assessment, sharing interview insights on implementation benefits, performance metrics, challenges faced, and future plans, while highlighting the broader significance of standardized DevOps practices for digital transformation.
The article details China Agricultural Bank's successful completion of the Level‑3 Continuous Testing assessment, its role in the national DevOps standards rollout, and insights from senior R&D leaders on building a comprehensive, end‑to‑end testing framework that drives quality and digital transformation.
China Postbank’s software R&D center detailed how its enterprise mobile banking and project fund‑supervision systems passed the national Continuous Testing Level‑3 assessment, showcasing the impact of DevOps, automation and standardized testing on delivery speed, quality and operational efficiency in the banking sector.
FAW‑Volkswagen’s interview reveals how the company leveraged the China Academy of Information and Communications Technology’s DevOps maturity model to earn a Level‑3 Continuous Delivery assessment, detailing project implementations, performance metrics, challenges overcome, and future plans for broader DevOps adoption.
Five Minerals International Trust’s OGP platform passed the China Information & Communications Academy’s DevOps Continuous Delivery Level 3 assessment, showcasing how standardized DevOps practices, cloud‑native microservices, and automated pipelines can boost efficiency, quality, and security, while offering insights into the evaluation process and future plans.
The article details China’s Civil Aviation Information Network’s successful DevOps 2+ level assessment, highlighting the flight management system’s cloud‑native architecture, high‑concurrency capabilities, and the broader impact of CAICT’s DevOps standards on digital transformation across industries.
This article outlines nine practical microservices best practices—from applying the Single Responsibility Principle and forming cross‑functional teams to using proper DevSecOps tools, asynchronous communication, independent data stores, and robust monitoring—to help developers design scalable, maintainable, and secure backend architectures.
This guide explains how to set up Redis Stack with Docker, covering its components, available images, commands to pull and run the containers with volume mounts and port mappings, configuration file details, and how to access RedisInsight for visual data management.
The article explains the importance of CI/CD observability, outlines common pipeline problems, introduces Grafana's GraCIe plugin built on OpenTelemetry, and discusses how enhanced visibility can improve reliability, decision‑making, and future standardization across CI/CD platforms.
At the 21st GOPS Global Operations Conference in Shanghai, Qunar Travel’s tech expert Zou Sheng shared a detailed hybrid‑cloud container stability practice covering IDC‑first deployment, resource utilization over 60%, phased migration, reliability improvements, AZ monitoring, and cost‑saving strategies.
Alibaba Mom’s AI‑driven content risk platform has evolved from simple rule‑matching to a data‑centric, serverless architecture that integrates large‑model acceleration, decision‑tree compilation, high‑throughput vector retrieval and elastic word‑matching, delivering sub‑100 ms text and sub‑1 s image moderation while remaining stable during peak promotional traffic.
The article explains how to implement online automated inspection in production environments, detailing its definition, step‑by‑step rollout, key scenario selection, task creation, rule validation, execution controls, fault response, and post‑inspection review to maintain system quality and reduce risk.
This article examines the wide salary range in the operations field, explains why high‑level DevOps/SRE positions command premium pay, and offers practical advice—such as relocating to major cities, obtaining a bachelor's degree, mastering in‑demand technologies, and developing soft skills—to help operations engineers advance their careers.
This tutorial walks through preparing an Alibaba Cloud server, installing Docker and Docker‑Compose, resolving permission issues, setting up Nginx and Jenkins containers, configuring docker‑compose.yml and nginx.conf, and finally launching the environment with Docker commands, providing a complete CI/CD deployment pipeline.
This article reviews five leading log management solutions—Graylog, LogDNA, ELK Stack, Grafana Loki, and Splunk—detailing their core components, key features, and why they are valuable for monitoring, troubleshooting, and securing modern IT environments.
This guide walks through migrating services from Alibaba Cloud to AWS by containerizing Tomcat and SpringBoot applications with Docker, covering environment checks, Dockerfile creation, image building, container deployment, troubleshooting, and best‑practice summaries for reliable production rollout.
The Rights Play Platform migrated from the in‑house Ring JVM container framework to a Serverless architecture, eliminating custom permission logic and memory‑leak risks while achieving roughly 30% faster development cycles, 80% shorter deployments, automatic scaling, unified base services, and significantly lower operational costs.
This step‑by‑step tutorial explains CI/CD concepts, shows how to install and register a GitLab Runner, configure a .gitlab-ci.yml file with dev and test stages, and demonstrates pushing code to trigger automated builds, tests, and deployments for a front‑end project.
This article outlines the Agricultural Bank of China's progressive DevOps assessments from 2020 to 2023, highlighting its leading position among state‑owned banks, the specific projects evaluated, and the tangible improvements in delivery speed, security, and operational efficiency achieved through the CAICT DevOps maturity model.
This article outlines nine practical best‑practice steps for designing a low‑complexity, high‑efficiency microservices ecosystem, covering principles such as the Single Responsibility Principle, cross‑functional team organization, appropriate tooling, asynchronous communication, DevSecOps security, independent data stores, isolated deployment, orchestration, and effective monitoring, each illustrated with concrete examples.
This article explains how to install and run the lightweight, certified Kubernetes distribution K3s on a workstation, using k3d as a wrapper, and demonstrates deploying operators, Prometheus, and Grafana with full command‑line examples and configuration files.
This article walks through the journey of transforming a simple online supermarket from a monolithic application to a fully fledged microservice architecture, highlighting the motivations, design decisions, component breakdown, operational challenges, monitoring, tracing, resilience patterns, testing strategies, and the role of service meshes.
This article outlines the essential steps for embracing DevOps culture, emphasizing tailored strategies, deep understanding of CI/CD, clear role assignments, extensive automation, key performance metrics, and the critical role of quality assurance to achieve faster, reliable software delivery.
The article explains Gartner’s 2024 strategic tech trend of platform engineering, defines internal developer platforms, highlights its relevance in China’s digital transformation, and outlines a three‑level assessment framework for evaluating platform engineering capabilities.
In the wave of digital transformation, ten Chinese city commercial banks and other financial institutions adopted the CAICT‑led DevOps Capability Maturity Model, improving IT efficiency, integrating resources, and supporting business systems, with 20 assessment projects showcasing concrete continuous‑delivery, operational, security, and performance gains.
This article reviews how nineteen top Chinese companies applied the CAICT‑led DevOps Capability Maturity Model, detailing their assessment results, project improvements, and concrete performance gains such as higher release frequency, full test coverage, and streamlined operations across diverse industry sectors.
Amid a nationwide digital transformation push, seven leading Chinese joint‑stock banks have leveraged the CAICT‑led DevOps Capability Maturity Model to evaluate dozens of projects, revealing how DevOps improves IT efficiency, integrates resources, and supports business systems across the financial sector.
In the context of digital transformation, six leading Chinese telecom operators used the CAICT‑led DevOps Capability Maturity Model to evaluate 33 projects, improving IT performance, integrating resources, and supporting business systems, offering valuable industry‑wide best‑practice insights.
This article reviews how five leading Chinese insurance firms evaluated eight projects using the CAICT DevOps Capability Maturity Model, highlighting each company's implementation details, performance improvements, and the broader significance of the model for digital transformation and operational excellence in the insurance sector.
The article reflects on the promises and pitfalls of microservices, comparing them to monolithic architectures, and shares practical lessons about scalability, deployment complexity, data consistency, and when a monolith might actually be the better choice.
This article explains how Jenkins and Kubernetes can be integrated to build a fully automated CI/CD pipeline, using Google’s real‑world implementation as a step‑by‑step example that covers installation, configuration, pipeline scripting, Docker image handling, and Kubernetes deployment.
The 2023 GitHub report reveals a rapid mainstreaming of generative AI, a surge in AI‑driven projects and contributions, evolving programming language rankings, heightened CI/CD automation, and stronger security practices, illustrating how developers worldwide are reshaping software creation and open‑source ecosystems.
