This article explains the fundamentals of version control, why it is essential for DevOps teams, and how it improves productivity, error detection, parallel development, and overall product reliability through better collaboration and traceability.
The article outlines how large‑scale projects can achieve reliable, fast releases by adopting DevOps continuous‑integration practices such as trunk‑based development, comprehensive automated testing, versioned artifact storage, configuration‑as‑code pipelines, Docker layer caching, and staged builds that prioritize short tasks and parallel execution to minimize manual effort and maintain quality.
This article compiles the 20 most common DevOps interview questions, providing detailed explanations of concepts such as the DevOps‑Agile distinction, core benefits, key tools, anti‑patterns, KPI metrics, automation advantages, containers, microservice frameworks, version control practices, Git revert techniques, post‑mortem meetings, asset vs configuration management, continuous testing elements, and essential development and infrastructure operations.
An in‑depth interview with Huawei Cloud MVP Liang Tongming reveals his journey from a childhood PC to leading .NET projects, offers practical advice on career growth, community involvement, and the value of combining technical depth with industry knowledge for modern developers.
At the 2021 GOPS Global Operations Conference in Shenzhen, Southern Power Grid’s Digital Grid Research Institute shared how its DevOps empowerment program is boosting software engineering, CI/CD pipelines, and digital transformation, illustrating the plan’s goals, achievements, and future expectations for the energy sector.
This article presents a comprehensive list of the 20 most common DevOps interview questions, covering fundamentals, tools, practices, KPIs, and troubleshooting techniques, and provides concise, expert answers to help candidates prepare effectively for DevOps roles.
The 2021 GOPS Global Operations Conference in Shenzhen showcased leading financial and tech firms sharing their enterprise DevOps empowerment experiences, revealing how dual‑mode IT architectures and collaborative platforms drive agile development, automation, and industry‑wide best practices.
This article introduces Jenkins shared libraries, explaining their structure, how to create a library with Groovy classes, configure it in Jenkins, and use it in pipelines, including sample code for colored log output and step-by-step setup instructions for DevOps practitioners.
The article outlines ten frequent DevOps pitfalls—from out‑of‑order delivery and role misunderstandings to neglecting security and team fatigue—and provides practical guidance on planning, automation, quality, and cultural practices to achieve successful continuous delivery.
This article explains the advantages of using Dockerfiles for image building, outlines key principles such as single responsibility, commenting, minimalism, proper base image selection, .dockerignore usage, cache optimization, and timezone configuration, and provides a practical example Dockerfile to improve build speed and image size.
In this interview, Alan Page shares expert advice on adopting a test‑first mindset, achieving high test automation, overcoming talent shortages and cultural resistance, and exploring AI/ML opportunities to enhance continuous testing practices within modern software development teams.
At the 16th GOPS Global Operations Conference, JKStack CTO Ge Dingjia detailed how the convergence of ITIL and DevOps, grounded in lean‑thinking value‑stream concepts, drives digital transformation by aligning IT operations with business value through workflow integration, value‑stream mapping, and continuous improvement.
The 2021 GOPS Global Operations Conference in Shenzhen showcased the Enterprise‑level DevOps Empowerment program, featuring interviews with First Capital Securities on their digital transformation, DevOps maturity journey, and the benefits of joining the collaborative initiative.
This article explains the DevOps lifecycle—covering planning, coding, building, testing, releasing, deploying, operating, monitoring, and CI/CD—and lists popular tools for each stage to help teams achieve continuous delivery and efficient collaboration.
The article reflects on Java's 25‑year dominance, its ecosystem strengths, and the mounting pressure from cloud‑native requirements for lightweight, fast‑starting, low‑resource services, arguing that Java must evolve or risk being displaced by newer languages like Go and Rust.
This comprehensive guide walks you through Docker fundamentals, from the underlying concepts of containers versus virtual machines to hands‑on installation, image creation, container deployment, and best practices, empowering developers to containerize and ship applications efficiently.
This article provides a detailed tutorial on Jenkins Pipeline environment variables, covering how to list, read, set, override, store boolean values, and capture shell command output within pipelines, complete with practical code examples and best‑practice tips.
This article presents a high‑availability Jenkins distributed architecture that leverages master‑slave deployment, label‑based node management, Kubernetes containerization, and LVS load‑balancing to address resource constraints, configuration complexity, and maintenance overhead in large‑scale CI pipelines.
This article details China Life Property & Casualty Insurance's agricultural insurance claims system achieving Level 3 DevOps continuous‑delivery assessment, shares insights from an interview with the R&D center head on motivations, implementation, metrics, challenges, and future plans, and explains the DevOps maturity model and pipeline architecture.
The article reports on Inner Mongolia Mobile's successful achievement of Level 3 in the national DevOps continuous delivery assessment, detailing the GOPS conference announcement, the ESOP project's architecture and improvements, interview insights from the IT manager, and the measurable benefits that positioned the company at a domestic leading level.
Anxin Securities’ CIO discusses how the company’s Internet Customer Service Platform passed the DevOps Standard Continuous Delivery Level 3 assessment, detailing the motivations, implementation challenges, measurable improvements, and future plans for scaling DevOps across its technology stacks.
Guoxin Securities’ Chief Engineer Liu Hanxi and IT Head Xue Zhongyi discuss how their Gold Sun information platform leveraged a self‑developed microservice framework and the national DevOps standard to achieve a Level‑3 continuous delivery assessment, dramatically improving delivery speed, test coverage, automation and overall digital transformation.
This step‑by‑step guide shows how to install the libmaxminddb library, compile NGINX with the ngx_http_geoip2 module, download the latest GeoLite2 database, configure geoip2 directives, and verify that foreign IP addresses are blocked with a 404 response.
This article provides a comprehensive overview of GitLab CI/CD, covering its core concepts—pipelines, stages, jobs, and runners—along with .gitlab-ci.yml configuration, variables, triggers, DAG pipelines, runner types, cloud‑native capabilities, efficiency management, and practical demo examples to help teams implement robust DevOps workflows.
Amid accelerating Agile and DevOps adoption, the rapid delivery of cloud‑native microservices introduces cascading risks and makes traditional monolithic testing inadequate, prompting a shift toward observability‑driven “right‑shift” testing, exploratory methods, and chaos engineering to embrace failure as the new normal.
This article introduces ten popular open‑source projects for monitoring, deployment, and reliability engineering, detailing each tool's purpose, key features, and how they help Site Reliability Engineers build scalable, highly reliable cloud‑native systems.
This article explains the main components of a Spring Cloud‑Nginx architecture, version compatibility between Spring Cloud and Spring Boot, essential middleware such as Eureka, Nacos, Zuul and Redis, environment preparation on CentOS, and the structure of the crazy‑springcloud scaffolding used for a high‑performance seckill demo.
This guide outlines a four‑layer backend stack—languages, components, processes, and systems—and provides detailed recommendations for project management, DNS, load balancing, CDN, RPC frameworks, service discovery, databases, NoSQL, messaging, code management, CI, logging, monitoring, configuration, deployment, jump servers, and machine management, helping startups design a robust, cloud‑native backend architecture.
This step‑by‑step guide shows how to install JDK 1.8, download the Jenkins RPM (from the official site or a Tsinghua mirror), install it, modify the config to run as root on port 8888, start the service, retrieve the initial admin password, and complete the Jenkins setup on a CentOS system.
The article lists twenty‑one harmful programming habits—such as reinventing wheels, overusing design patterns, skipping testing, ignoring monitoring, and avoiding proper architecture—that can cripple a development team and serve as a warning for engineers seeking better practices.
This article presents a comprehensive set of Docker and Kubernetes multiple‑choice questions, including single‑ and multiple‑answer formats, to help readers self‑evaluate their containerization knowledge and identify areas for further study in the field.
This article explains how to invoke another Groovy script and all Groovy scripts in a directory from a build.groovy file, providing clear example code that demonstrates defining a method in one script and calling it from another within a DevOps automation context.
This guide explains why a Jenkins agent fails to start with the error "provided port: 8182 is not reachable" and provides step‑by‑step troubleshooting methods such as network testing, Docker port mapping verification, and ensuring proper communication between the agent and master nodes.
This article demystifies Kubernetes by explaining its core scheduling function, the role of Pods, YAML configuration, probes, high‑availability constructs like ReplicaSet and Deployment, internal components, resource limits, and practical cluster‑setup tools, providing a comprehensive guide for newcomers and practitioners alike.
This guide compares Git flow, GitHub flow, and GitLab flow, then presents a practical GitLab‑flow‑based workflow with step‑by‑step branching, merge‑request, release, semantic versioning, and bug‑fix procedures for development teams seeking a simpler, scalable version‑control process.
The article explains that DevOps should be viewed as an interdisciplinary interface rather than a specific job title, contrasts it with traditional roles like software developer or system administrator, and illustrates the concept with a Java‑style code example, while also including a brief promotional note about a DevOps training course.
This article explains how DevOps transforms software testing by moving from isolated, waterfall‑style testing to continuous, automated, shift‑left practices, and outlines best‑practice recommendations such as test automation, tool selection, metrics, documentation, and the role of test‑automation engineers.
This article explains what Kubernetes Jobs and CronJobs are, outlines common use cases, and provides detailed, code‑rich instructions for creating, configuring, and managing them—including parallel execution, random naming, and key parameters—so you can automate batch and ad‑hoc tasks in a cloud‑native environment.
This article outlines a comprehensive backend technology stack for startup companies, detailing language choices, essential components, processes, system tools, and best‑practice recommendations across areas such as project management, DNS, load balancing, databases, messaging, CI/CD, monitoring, and deployment.
The article explains how DevOps evolution models, CI/CD pipeline modeling, and the Software Factory approach—combined with SAFe principles—help large enterprises achieve faster delivery, higher quality, and greater business agility in the digital era.
This guide introduces the lightweight Docker GUI tool Portainer, walks through a two‑step Docker‑based installation, and demonstrates key features such as dashboard overview, container logs, stats, console access, image and network management, user roles, and registry configuration.
The CNCF 2020‑2021 Cloud Native Survey in China reveals rapid growth in container usage, widespread adoption of Kubernetes, increased reliance on public cloud, expanding CI/CD and serverless practices, and a surge in the use of CNCF projects, highlighting the maturing cloud‑native ecosystem across Chinese enterprises.
This guide details a complete GitLab‑based CI/CD workflow that starts with issue and milestone creation, defines feature‑branch pipelines, builds and tests Java applications, performs code analysis, creates Docker images, and deploys to Kubernetes with controlled pipeline triggers and rollback strategies.
This article explains what a CI/CD pipeline is, why it is essential for DevOps, outlines its standard stages, discusses implementation steps and tool‑selection principles, highlights current cloud‑native trends, and warns against common anti‑patterns that can hinder continuous delivery.
This article introduces the Jenkins Deploy Dashboard plugin, explains how to visualize deployment status across environments, and provides step‑by‑step instructions with code examples for adding deployments to the dashboard, creating the view, and adding deployment buttons to pipelines.
When a critical bug and a performance‑heavy jar collide, this guide walks through four practical Git rollback strategies—revert, reset, rebase + revert, and a pure file‑copy method—explaining their commands, pitfalls, and when each is appropriate.
The article outlines twenty‑four essential capabilities across continuous delivery, architecture, product and process, lean management, and culture, derived from the Accelerate research, providing practical guidance for organizations seeking high‑performance software delivery.
The 2021 China DevOps Survey, launched by the China Academy of Information and Communications Technology with nearly 40 industry partners, invites organizations to assess their DevOps maturity, offers a free report and gifts, and builds on 2020 findings that show growing adoption and varied maturity levels across sectors.
This article surveys the most popular open‑source projects for Site Reliability Engineering and DevOps, covering monitoring, deployment, chaos testing, and observability tools such as Cloudprober, Istio, Prometheus, Litmus, and more, highlighting their key features and how they help build scalable, high‑reliability cloud‑native systems.
This article explains how Nexus Repository can serve as a centralized, enterprise‑grade Docker and Helm registry, detailing repository types, configuration steps, and practical commands for creating, exposing, and using a private container registry within a Kubernetes environment.
This article explains how to integrate the SonarQube Sonar Secrets plugin into a CI/CD pipeline to provide early security feedback, detect hard‑coded credentials, build and install the plugin, configure SonarQube, and enable secret scanning for Java and JavaScript projects.
This article introduces Redis, explains why it is popular, describes the architecture of a Redis Cluster, and provides a complete step‑by‑step tutorial for deploying, initializing, validating, and testing a Redis Cluster on Kubernetes with sample code and a hit‑counter application.
This article provides a comprehensive technical overview of Docker’s client‑server architecture, detailing the roles of Docker Client, Daemon, Engine, Jobs, Registry, Graph, drivers, Libcontainer, and how they work together to create and run isolated containers.
This article surveys the 11 most popular open‑source DevOps tools—including Kubernetes, Docker, Istio, GitHub Actions, Jenkins, Prometheus, Ansible, Chef, Terraform, JAMStack, and ELK Stack—while also highlighting the DevOps Foundation certification that helps professionals master these technologies.
This article reviews twenty popular CI/CD tools that can replace Jenkins, highlighting each platform's key features such as parallel testing, Docker integration, cloud provider support, and ease of configuration, helping teams choose the best fit for their DevOps workflow.
This article introduces Prometheus fundamentals, its architecture and metric types, then walks through a complete Kubernetes deployment—including namespace, RBAC, ConfigMap, and various exporters—showing how to collect metrics, configure alerts, and visualize data with Grafana, while highlighting limitations and future improvements.
This article explains why monitoring is essential for production stability, compares white‑box and black‑box approaches, details the advantages of Prometheus, walks through its architecture, metric types, query language, high‑availability strategies with Thanos, and provides practical Kubernetes deployment manifests and configuration tips.
This article provides a comprehensive overview of Docker’s overall architecture and detailed analysis of its core components—including client, daemon, engine, registry, graph database, drivers, and libcontainer—explaining how they interact to manage containers, images, networking, and execution within a cloud‑native environment.
This article, based on a Volcano Engine developer community meetup, compares Spring Cloud and cloud‑native technologies, explains their evolution, and demonstrates how to replace Spring Cloud’s core capabilities—such as configuration, service discovery, traffic management, and auto‑scaling—with Kubernetes, Istio, and other cloud‑native tools.
The article outlines the six essential DevOps capabilities—collaboration, automation, continuous integration, continuous testing, continuous delivery, and continuous monitoring—explaining how each contributes to improving efficiency, reducing errors, and ensuring reliable software delivery in modern IT environments.
The 2020‑2021 Cloud‑Native Technology Landing Survey, conducted by CNBPA, Lingqu Cloud and the Cloud‑Native Community, collected 783 responses from finance, manufacturing, energy, pharma, telecom and government sectors, revealing that cloud‑native adoption—including containers, DevOps, micro‑services, Kubernetes, Service Mesh and cloud‑native databases—has roughly doubled in production environments and is now the primary driver of digital transformation in traditional enterprises.
This article provides an in‑depth comparison of Jenkins and GitLab CI/CD, covering their histories, core features, strengths, weaknesses, and practical guidance to help DevOps professionals choose the most suitable continuous integration and delivery platform for their specific project requirements.
The article explains how low‑code platforms improve R&D efficiency by offering visual coding, drag‑and‑drop model design, streamlined UI creation, integrated workflow tools, and DevOps capabilities, while comparing lightweight and heavyweight solutions and discussing their suitable scenarios and limitations.
The 2020 China DevOps Status Survey reveals that while over 60% of companies have adopted DevOps, many still struggle to assess its success, highlighting key performance criteria, maturity levels, and ongoing challenges such as expertise gaps and metric definition.
This article provides a comprehensive overview of microservice architecture, covering its definition, history, differences from monolithic and SOA approaches, core characteristics, practical implementation steps, common design patterns, advantages and challenges, and a mindset shift toward DevOps and Docker.
Kubernetes 1.21, the first 2021 release, introduces 51 enhancements—including stable CronJobs, immutable Secrets/ConfigMaps, dual‑stack IPv4/IPv6 support, graceful node shutdown, and new health monitoring for PersistentVolumes—while deprecating PodSecurityPolicy and TopologyKeys and offering a suite of new beta and stable features for cloud‑native workloads.
This article provides a detailed guide on implementing CI/CD pipelines for microservices using Jenkins, GitLab webhooks, and GitOps, covering repository setup, pipeline stages, code snippets for Jenkinsfiles, webhook configuration, image building, and deployment with Helm in a cloud‑native environment.
This tutorial demonstrates how to gather Nginx access and error logs using Filebeat, Logstash, and Rsyslog, configure each component, and ship the logs to an Elasticsearch cluster for visualization in Kibana, offering three practical collection methods.
The author, despite not being an avid reader, curates a personal list of twenty essential Agile and DevOps books—ranging from novel‑style introductions to practical guides—offering brief insights on each title to help readers deepen their understanding of agile practices and DevOps culture.
This article outlines ten practical techniques—from avoiding chat tools for SQL transmission to using soft deletes, backup tables, and proper field management—to help developers, testers, and DBAs safeguard production databases against accidental data loss and costly errors.
This guide walks through installing required tools, configuring Postfix, adding the GitLab repository, installing GitLab CE on a Kubernetes master, adjusting default ports in GitLab’s configuration files, reloading the setup, and accessing the service via a web browser.
This article provides a comprehensive overview of microservice concepts, their differences from traditional SOA, the benefits of agility, scalability and independent deployment, and details RongShu Data's architectural choices, technology stack, design principles, DevOps platform, team organization, and practical implementation guidelines.
This article explains the fundamentals of CI/CD within DevOps, compares leading CI/CD tools, outlines a four‑stage implementation process, and details the numerous benefits such as faster delivery, higher quality, improved productivity, and reduced costs.
This article examines how result‑oriented DevOps drives digital transformation while exposing digital risks—from missing high‑level test scenarios and broken security data links to insufficient user‑experience foresight—and outlines strategies for data governance, risk mitigation, and effective decision‑support across the enterprise.
The article analyzes the instability of a company's Kubernetes clusters, identifies root causes such as unstable release processes, lack of monitoring, logging, and documentation, and proposes comprehensive solutions including a Kubernetes‑centric CI/CD pipeline, federated Prometheus monitoring, Elasticsearch logging, centralized documentation, and integrated traffic management with Kong and Istio.
This article explains why monitoring is essential for production stability, introduces Prometheus fundamentals, metric naming conventions, query types, and high‑availability solutions such as Thanos federation, then walks through a complete Kubernetes deployment including StatefulSets, RBAC, Pushgateway, Alertmanager, and Ingress configuration.
The article provides a comprehensive overview of Site Reliability Engineering (SRE), explaining its origins, definition by Google, required skill sets, typical responsibilities, tools used, and how the role has evolved within DevOps and modern cloud‑native environments.
This article examines how the rise of cloud computing, DevOps, AIOps, and FinOps is reshaping the role, boundaries, and best‑practice characteristics of modern IT operations, highlighting new trends, automation standards, security responsibilities, and cost‑optimization strategies.
The article reviews eight major DevOps trends expected in 2021—including infrastructure automation, application release orchestration, evolving toolchains, DevSecOps, APM, cloud‑management platforms, AgileOps, and chaos engineering—while also offering the author’s own forecasts for how DevOps, CI/CD, cloud‑native, AI, and people‑centric practices will shape the industry in the coming years.
On March 25 2021, China’s Information and Communication Research Institute, together with the Cloud Computing Open Source Industry Alliance and Open Operations Alliance, hosted the fifth “DevOps System Safeguarding Enterprise Digital Transformation” online event, presenting evaluation results, expert talks, a Q&A session, and an overview of the enterprise‑level DevOps empowerment program.
This guide provides a comprehensive collection of Docker commands for inspecting container information, managing images (listing, searching, pulling, removing, building), and operating containers (starting, stopping, attaching, executing commands, viewing logs, inspecting, committing, and copying files) with practical examples.
This article details how Fangduoduo built an integrated, cloud‑native CI/CD release system—combining Vue front‑end, Python back‑end, Jenkins, Gerrit, Docker Swarm and Kubernetes—to automate builds, deployments, version control, testing, and service maintenance, dramatically boosting development efficiency.
This article presents a curated list of popular open‑source tools for monitoring, deployment, chaos testing, and reliability engineering, explaining their main features and how they help SREs and DevOps engineers build scalable, highly available cloud‑native systems.
This article analyzes the most influential DevOps trends for 2021, including the rise of DevSecOps, AI‑driven AIOps, infrastructure automation, chaos engineering, serverless adoption, hybrid cloud, GitOps, and edge computing, backed by market forecasts and expert predictions.
SPD Bank’s four major systems—an enterprise micro‑service platform, cash‑flow analysis, fund‑supervision, and financial IC‑card services—successfully passed the Level‑3 Continuous Delivery assessment of the national DevOps standard, showcasing a leading‑edge, organization‑wide DevOps capability that boosts delivery speed, quality, and agility.
An interview with China Mobile Suzhou's chief scientist reveals how their "China Mobile Sentiment" project achieved a Level‑3 DevOps continuous delivery assessment, boosting delivery speed, release success, and operational confidence while outlining future scaling plans.
Jiangsu Mobile’s Alading marketing empowerment project recently passed the third‑level DevOps continuous‑delivery assessment, showcasing significant improvements in delivery speed, automation, and quality, while the interview reveals the team’s strategies, tooling, metrics, challenges, and future plans for scaling DevOps across the organization.
GitOps automates infrastructure management by applying DevOps best practices such as version control, code review, and CI/CD pipelines, using declarative IaC stored in Git to enable reliable, observable, and secure deployments across cloud‑native environments.
This article examines why traditional testing must evolve for agile development, outlines the challenges of frequent builds, limited sprint time, performance and API testing, and provides practical guidance on planning, scope selection, parallel execution, DevOps integration, and choosing the right automation tools to boost collaboration and quality.
An interview with ByteDance engineer Xie Ning reveals how Redis can be transformed into a cloud‑native service on Kubernetes, covering the use of Deployments, StatefulSets, Operator patterns, dynamic storage provisioning, and the operational benefits over traditional physical‑machine deployments.
This article introduces the importance of APIs in modern software development and presents a curated list of fifteen leading open‑source API management platforms, detailing their key features such as rate limiting, authentication, analytics, and developer portals to help developers choose the right solution.
The article explains how DevOps extends digital value across the entire software delivery lifecycle, enabling lean IT organizations to improve efficiency, reduce costs, and align technical and business operations through scenario‑based digital operations and accurate data and language integration.
The article examines how the rapid adoption of cloud computing, DevOps, AIOps, and FinOps is reshaping the role of IT operations, highlighting new trends, evolving work boundaries, and the essential characteristics of a modern, automated, secure, and cost‑optimized operations system.
This article explains DevOps as the integration of development and operations, defines continuous integration (CI) and continuous delivery/deployment (CD), contrasts them with agile development, and illustrates how these practices streamline software delivery, testing, and production deployment.
This guide explains how to create a Dockerfile for a Java JAR, describes the purpose of each Docker instruction, shows how to build the image, run the container with proper ports and volumes, and view container logs.
This article describes how Worktile introduced Scrum, built an 8‑person self‑organizing Scrum team for the Lesschat product, iterated through two‑week Sprints, identified and solved scaling challenges, and eventually evolved into a multi‑team, hundred‑person agile R&D organization with continuous delivery practices.
The article outlines eight major 2021 DevOps trends—including the rise of microservices, increased DevSecOps adoption, infrastructure automation, predictive analytics in AIOps, AgileOps, AI/ML‑driven pipelines, Kubernetes integration, and cloud management platforms—highlighting their benefits and future impact on software delivery.
To meet the LEDAO platform’s need for rapid anomaly detection, full‑stack observability, and reliable alerting across more than 100 microservices, iQIYI evaluated OpenFalcon, Prometheus and CAT, selected CAT, deployed separate mainland and overseas clusters, added configurable access, health‑check and integrated alert channels, enabling five‑minute service onboarding, near‑zero‑intrusion instrumentation, and real‑time business‑level monitoring.
This article provides a comprehensive overview of modern DevOps practices and popular tools—including version control, containerization, orchestration, automation, collaboration, and monitoring—explaining their purposes, key features, and how they fit into the software delivery lifecycle.
This article provides a comprehensive guide to Argo Workflows, covering its core concepts, installation of both controller and client, detailed examples of workflows, templates, variables, reusable WorkflowTemplate and ClusterWorkflowTemplate resources, and a practical CI/CD pipeline implementation on Kubernetes.
