This article describes the motivation, process, and best‑practice improvements made while upgrading Jenkins from version 2.346.3 to a secure release, including infrastructure‑as‑code, Docker Cloud, shared library refactoring, and GitOps‑style management of CI/CD pipelines.
This free Jenkins collection offers beginners a comprehensive set of seven resources—including books, notes, mind maps, interview questions, and detailed guides—covering everything from basic installation to advanced CI/CD pipelines, with a full table of contents and QR code for instant download.
This guide explains the standard Jenkins setup steps, describes the common plugin installation error that can occur during step three, and provides four practical solutions—including network checks, retrying, restarting Jenkins, and running Jenkins with Java-enabled mode using a command line example.
This article provides concise answers to common DevOps interview questions, covering Linux boot processes, Kubernetes container execution, Git operations, Jenkins pipelines, DNS, networking, monitoring with Prometheus and Grafana, databases, SQL indexing, and collaboration and leadership scenarios.
This article explains how to create a Jenkins Multibranch Pipeline, configure its branch sources, manage environment variables, support pull requests with plugins, and use organization folders to automatically discover and run pipelines across multiple branches.
From 2008 onward, the author chronicles the development of multiple DevOps systems, examining their origins, design choices, challenges, and evolution—including CI tools like CruiseControl, Hudson, Jenkins, custom plugins, metrics, platform engineering, and the impact of AI—offering insights for modern continuous integration and delivery practices.
This advanced Jenkins course covers pipeline builds, multi-node configuration, plugin development, distributed builds, integration with tools like SonarQube and Artifactory, and continuous deployment, providing practical video tutorials and resources for mastering CI/CD workflows.
This guide compiles over 20 high‑frequency technical interview questions covering Docker, Nginx, Shell scripting, and Jenkins, providing job seekers with a comprehensive resource to prepare for competitive recruitment seasons.
This guide details eleven frequent Jenkins problems—including Performance plugin incompatibility, CSP restrictions, custom URL paths, Git clone timeouts, jar replacement, CSRF disabling, disk‑space optimization, global environment variables, managed scripts, and lightweight backups—along with step‑by‑step solutions and configuration snippets.
This article compiles more than 20 high‑frequency technical interview questions covering Docker, Nginx, Shell scripting, and Jenkins, providing job seekers with a concise, one‑stop resource to prepare for the competitive hiring season.
This tutorial provides a step‑by‑step guide to set up a complete Jenkins‑Docker‑Spring Boot pipeline on CentOS 7, covering Docker installation, Jenkins deployment, required plugins, Maven configuration, job creation, testing, and running the packaged application with Docker.
This guide introduces Jenkins as an open-source CI tool, explains continuous integration and delivery concepts, walks through Docker-based installation, and provides detailed examples of both scripted and declarative pipelines, including common directives, parameters, triggers, and best practices for effective DevOps automation.
This article compiles the latest 2024 IT operations interview collection, offering over 400 questions—including 108 shell script, 128 Kubernetes, 51 Docker, and 88 Jenkins queries—to help professionals bridge knowledge gaps and ace promotions, job changes, and technical interviews.
This article explains what Jenkins is, compares single‑master and master‑agent deployment models, details fixed and dynamic agents, and outlines how to scale Jenkins horizontally using distributed architecture for reliable CI/CD pipelines.
This guide explains how to set up Jenkins Pipeline to automate the build, test, and deployment process of a PHP project, covering prerequisite installations, pipeline creation, Jenkinsfile authoring with example code, and execution steps to achieve reliable CI/CD.
This step‑by‑step tutorial explains how to configure version control, provision an AWS EC2 instance, install Java and Jenkins, set up Docker and SonarQube, write a Jenkinsfile, and deploy the application automatically with ArgoCD on a Kubernetes cluster.
This article details a comprehensive DevSecOps pipeline that uses Jenkins for CI/CD, Dependency‑Track and DefectDojo for SBOM management, SonarQube and Trivy for static and container scanning, Docker for image builds, and ArgoCD with Kubernetes for automated deployments, illustrating each stage with full code examples.
This article provides an in‑depth, side‑by‑side analysis of Jenkins and GitLab CI/CD, covering their histories, core features, community support, pros and cons, and practical guidance to help DevOps teams choose the most suitable continuous integration and delivery platform for their projects.
This comprehensive guide walks front‑end developers through the evolution of deployment methods, shows how to automate builds with custom Node scripts, details step‑by‑step Jenkins installation on CentOS, explains Freestyle and Pipeline project setups, and provides practical code snippets for a fully automated CI/CD workflow.
This guide walks through setting up Jenkins with Docker Compose, installing Node.js, configuring npm to use the Taobao mirror, and creating a Jenkins pipeline to compile and package a Vue application, including troubleshooting tips for common errors.
This guide shows how to set up Jenkins on Windows using Docker Desktop and Docker Compose, create persistent volume directories, configure the compose file, adjust the update center to a domestic mirror, and retrieve the initial admin password.
This article explains how to use Jenkins to automatically pull a front‑end Angular project from a GitLab repository, install the required Node.js and npm versions, build the static files, compress them, and deploy the resulting package to a Linux server with backup and verification steps.
This article explains how to use Jenkins for front‑end automated deployment, comparing Pipeline and Freestyle projects, detailing the overall architecture, step‑by‑step deployment process, core pipeline scripts for Git handling, dependency copying, building, backup, upload, update, cleanup, and email notifications.
This guide walks through fixing four common Jenkins pipeline problems: replacing unreachable plugin update sites with domestic mirrors, resolving Maven build errors caused by missing server JVM libraries, clearing stale Git config lock files, and adjusting file descriptor limits on build nodes to prevent out‑of‑resource failures.
This guide explains role‑based access control (RBAC), shows how to map users to roles and permissions, and provides a complete Jenkins pipeline example—including role configuration, permission assignment, and validation—for admin, development, and operations teams.
This guide explains how to set up Jenkins Pipeline to automate the continuous integration, testing, and deployment of PHP projects, covering prerequisite installations, pipeline creation, Jenkinsfile scripting, and execution of the build process.
This step‑by‑step tutorial explains how to configure a full CI/CD pipeline using Jenkins, Maven, Docker, SonarQube, Helm, and ArgoCD on an AWS EC2 instance with Kubernetes, covering version‑control setup, instance provisioning, credential management, pipeline scripting, and automated deployment.
This article explains the concept of a Break Build in continuous integration, outlines common causes, and demonstrates how to use Jenkins pipeline scripts to automatically detect and notify the code contributors responsible for a failed build, helping teams quickly resolve deployment issues.
Learn how to set up a Jenkins continuous‑integration environment on Windows by installing the master server, configuring security, adding a slave node, installing JRE, and turning the slave agent into a Windows service, complete with screenshots and detailed step‑by‑step instructions.
This article explains how to configure Jenkins to send build results via email, covering the default Mailer plugin setup, testing, and advanced Email Extension plugin usage with default, Groovy, and HTML templates, including pipeline script examples and best practices for reliable notifications.
This article explains the drawbacks of manual code review, demonstrates how AI large‑model services can automate and improve review quality, and provides a step‑by‑step guide—including a Java script and CI pipeline configuration—to embed JD's Chatrhino model into a continuous integration workflow, resulting in higher efficiency, accuracy, and reduced development cycle time.
This guide explains how to install Jenkins, Java, Maven, and Git in an offline Linux environment, covering required dependencies, downloading and installing packages, configuring tools, adding plugins, handling common errors, and finalizing the Jenkins setup for continuous integration pipelines.
This tutorial walks through using the Ruoyi project to set up a full CI/CD pipeline with Jenkins, custom Docker base images, Kubernetes deployments, and automated notifications, covering environment preparation, pipeline design, Dockerfile creation, Jenkins configuration, GitLab webhooks, and deployment verification across DEV, UAT, and PROD stages.
Pipeline as Code (PaC) defines CI/CD pipelines in code, offering scalability, reproducibility, and collaboration benefits while introducing learning curves and complexity, and the article illustrates these ideas with a step‑by‑step Jenkins example for a simple Java application.
This guide walks through setting up a complete CI/CD environment on three CentOS 7.6 machines—GitLab, Jenkins, and Tomcat—covering installation, configuration, plugin management, Maven integration, SonarQube scanning, and automated deployment of a Java web application.
This article provides a step‑by‑step guide on setting up Jenkins Pipeline to automate the continuous integration, testing, and deployment of PHP applications, covering prerequisite installations, plugin configuration, Jenkinsfile creation with stages for checkout, build, test, and deployment, and how to run the pipeline.
This guide walks you through the fundamentals of Java Spring Boot projects, explains WAR vs JAR deployment, sets up Maven and Jenkins, configures SSH and DingTalk notifications, and provides a complete CI/CD pipeline with scripts for automated builds and releases.
This guide walks you through setting up Jenkins to pull code from GitLab, build a SpringBoot 3 Java project with Maven, back up and copy JAR files to a remote server, and perform rolling updates of Docker Swarm services, all with step‑by‑step instructions and code snippets.
This article provides a step‑by‑step guide for PHP developers on installing Jenkins, creating a freestyle job, configuring source control, setting environment variables, writing build scripts, defining post‑build actions, and running the job to achieve automated packaging and deployment of PHP applications.
This interview recounts Hervé Le Meur’s path from a B2B marketing consultant to a Jenkins infrastructure SRE, detailing his work with Jenkins X, Kubernetes, CI/CD pipelines, and the lessons he shares for newcomers to open‑source contributions.
This guide walks through installing Jenkins in a Docker container, configuring the initial admin password, installing essential plugins such as NodeJS, Publish Over SSH and DingTalk, setting up Node.js mirrors, defining SSH deployment, creating a freestyle job that pulls a Git repository, builds the frontend with pnpm, and automates deployment and notifications via webhooks for both GitHub and GitLab.
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.
This article provides a comprehensive guide on using Jenkins Pipeline to automate the deployment of Java backend projects, covering pipeline concepts, parameterized builds, code checkout, Maven compilation, JAR packaging, remote uploading, backup, update, and service restart procedures.
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.
This comprehensive guide explains DevOps fundamentals—including continuous integration, delivery, and deployment—covers automation tools such as Jenkins, Docker, and Kubernetes, presents best‑practice recommendations, and showcases successful case studies from Netflix and Etsy, helping teams accelerate and stabilize software delivery.
This article explains how to use Jenkins Pipeline to automate the deployment of a Java backend project, covering pipeline basics, parameterized builds, GitLab branch checkout, Maven compilation, JAR packaging, remote file transfer, backup, update, and service restart with Docker Swarm.
This article explains what GitHub Reusable Workflows are, outlines step‑by‑step how to create and invoke them across repositories, provides example YAML code, shares seven best‑practice recommendations, and compares them with Jenkins Shared Libraries to help teams improve CI/CD automation.
This article provides a comprehensive overview of DevOps history and principles, explains continuous integration concepts and benefits, compares popular CI tools such as Jenkins, GitLab CI/CD, Travis CI, Azure DevOps, and CircleCI, and demonstrates how to implement pipelines in Jenkins using both declarative and scripted syntax.
This guide explains how to set up a Kubernetes pod to act as a Jenkins agent, covering prerequisites, deployment YAML, commands to launch and verify the pod and service, and the Jenkins UI configuration needed to connect the pod as a scalable CI/CD worker.
This guide walks through installing Jenkins and Nexus via Docker, configuring a Maven hosted repository in Nexus, setting up Jenkins credentials and plugins, and creating a Jenkins pipeline that builds a Maven project and publishes its artifacts to Nexus, enabling automated CI/CD for Java applications.
This guide walks through setting up a fully automated CI/CD pipeline that pulls code from Git, builds it with Maven, packages the resulting JAR into a Docker image, pushes the image to a registry, and finally deploys or updates the service on Kubernetes using Jenkins pipelines and supporting scripts.
This tutorial explains how to automate the full lifecycle of a Spring Cloud microservice—from developers pushing code to Git, Jenkins pulling and building it with Maven, packaging the JAR into a Docker image, pushing the image to a private registry, and finally deploying or updating the service on a Kubernetes cluster using YAML manifests.
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 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 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.
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.
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 guide explains how to deploy Jenkins as a Kubernetes pod, covering data persistence, Docker image download and tagging, RBAC setup, headless Service definition, and a StatefulSet with resource limits and volume claims for a robust CI/CD pipeline.
This article walks through building a comprehensive DevSecOps CI/CD pipeline in Jenkins that integrates source control, static analysis, vulnerability scanning, multi‑language builds, Docker image creation, Trivy security checks, Kubernetes deployment, and ZAP DAST testing to securely deliver applications across various runtimes.
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.
This guide explains how to configure Jenkins with the WeChat Mini Program Builder plugin, create a pipeline that builds the mini‑program, generates a QR code, and displays the latest QR image on the Jenkins dashboard for quick testing, including full pipeline and code examples.
The article describes an automated regression and configuration‑validation platform for social live‑streaming activities that combines task scheduling, Jenkins‑driven test scripts, visual reporting, and a standardized mind‑map configuration system, cutting manual regression time from one day to 0.2 day and alignment effort from 0.5 to 0.1 day.
This article explains the background, challenges, core concepts, automation techniques, toolchain, process improvements, and practical implementation steps of continuous integration (CI) for traditional enterprises, highlighting benefits such as higher software quality, faster feedback, reduced risk, and more efficient team collaboration.
Learn how to connect Jenkins Pipeline with Kubernetes to automate building, testing, and deploying containerized applications, covering prerequisite setup, detailed pipeline stages—including code checkout, Docker image creation, testing, registry push, and Kubernetes deployment—complete with code snippets and configuration tips.
This guide explains how to replace the traditional manual jar deployment with an automated Jenkins pipeline using Docker Compose, covering Jenkins installation, container setup, unlocking the admin password, plugin configuration, global tool settings, and build‑release procedures.
The US Air Force’s U‑2 reconnaissance aircraft has adopted a Jenkins‑driven CI/CD pipeline orchestrated by Kubernetes, enabling automated builds, repeatable deployments, rapid threat response, enhanced security, and resource savings, with a detailed step‑by‑step case study illustrating code management, pipeline configuration, container deployment, testing, and RBAC controls.
To keep ahead of hackers and fraud, a global cybersecurity firm replaced its fragmented cron‑based build, test, and release processes with a unified Jenkins CI/CD pipeline, integrating GitLab, Docker, and monitoring tools, thereby automating deployments, improving visibility, and streamlining DevSecOps across multiple projects.
This guide walks through installing Jenkins on a Kubernetes cluster using manual YAML manifests, configuring persistent storage, service accounts, ingress, and then demonstrates both static and dynamic Jenkins agents, including pipeline setup, plugin installation, and CI/CD workflow execution.
This article provides a comprehensive guide to Jenkins pipelines, explaining the differences between declarative and scripted syntax, detailing pipeline components such as agents, stages, steps, directives, post actions, and showing numerous practical code examples for building robust CI/CD workflows.
This guide walks you through setting up an automated code deployment workflow using Docker, Kubernetes Deployments, and a CI/CD tool like Jenkins, covering environment preparation, image building, deployment configuration, pipeline scripting, monitoring, and rollback strategies.
This article explains how to move frontend project build steps into Docker containers, addressing version‑conflict and npm‑cache issues by creating dedicated node‑pnpm images, configuring Jenkins to run builds inside isolated containers, and mapping workspace paths for seamless artifact handling.
This tutorial walks you through creating a Jenkins Pipeline job, writing the Groovy‑based script, defining agents, stages, and steps, configuring parameters, running the pipeline, and viewing detailed build output, providing a complete hands‑on guide for CI/CD automation.
This tutorial walks through a complete, step‑by‑step setup of a one‑click CI/CD pipeline that installs Docker and Jenkins on CentOS, configures Maven, creates a Jenkins job, builds a Spring Boot JAR, packages it into a Docker image, and runs the container, providing all commands and screenshots for a seamless deployment experience.
This guide walks through setting up a Kubernetes cluster with NFS storage, loading Jenkins and agent Docker images, configuring ArgoCD, deploying Jenkins via declarative manifests, initializing Jenkins, creating and deploying a static Jenkins agent, and troubleshooting common issues, providing full code snippets and screenshots.
When Jenkins builds stall at the git clone step due to an oversized .git directory, you can shrink the repository by running Git garbage collection, using tools like BFG Repo‑Cleaner, enabling Git LFS for large files, or configuring a shallow clone with depth 1 to fetch only the latest commit.
This article provides a comprehensive guide to Jenkins pipelines, explaining the difference between declarative and scripted syntax, detailing pipeline components such as agents, stages, steps, post actions, directives, triggers, environment variables, credential handling, and Kubernetes integration for modern CI/CD workflows.
This article introduces the Jenkins Deploy Dashboard plugin, explains how to visualize deployment status across environments, add new releases to the dashboard, create custom deployment views, and integrate deployment buttons into pipelines using both scripted and declarative Jenkins pipelines.
This article provides a concise overview of Jenkins, its architecture, key concepts, and best practices by presenting fifteen frequently asked interview questions along with detailed answers to help candidates prepare effectively for Jenkins-related job interviews.
This tutorial provides a complete, step‑by‑step guide to set up a one‑click automated deployment pipeline for a Spring Boot application using Docker, Jenkins, Maven, and shell scripts on a CentOS 7 host, covering installation, configuration, job creation, testing, and execution.
This guide walks through preparing two servers, installing Jenkins on a master node, configuring security and communication, adding a slave node with detailed parameters, deploying the slave agent as a Windows service, creating a slave-bound project, and troubleshooting common issues such as permission errors and network mismatches.
This article provides a step‑by‑step guide on installing Jenkins, configuring global tools, creating a freestyle project, pulling code from GitLab, building a Java JAR, backing up existing JARs, copying the new package to a remote server, and performing a rolling Docker Swarm update, while also addressing common SSL and SSH issues.
Learn how to set up a complete CI/CD pipeline on CentOS 7 by installing Docker and Jenkins, configuring Maven, creating Dockerfiles, and automating the build, test, and deployment of a Spring Boot application with detailed commands, screenshots, and best‑practice tips.
This guide walks you through installing Docker and Jenkins on CentOS 7, configuring Jenkins plugins, creating a freestyle job that builds a Spring Boot application with Maven, and deploying it via a Dockerfile for fully automated one‑click deployment.
This tutorial walks you through a complete one‑click Jenkins, Docker, and SpringBoot automated deployment on CentOS, covering environment preparation, Docker and Jenkins installation, plugin configuration, job creation, build testing, and running the packaged application in a Docker container.
This guide walks you through installing Jenkins and Nexus via Docker, configuring a Maven hosted repository in Nexus, adding necessary Jenkins plugins and credentials, and creating a Jenkins pipeline that builds a Java project and publishes its artifacts to Nexus, enabling automated CI/CD for your applications.
This tutorial explains how to create, configure, and troubleshoot a Jenkins multibranch pipeline that automatically builds, tests, and deploys code based on Git branches and pull‑request events, including a complete Jenkinsfile example and webhook setup for seamless CI/CD integration.
This tutorial demonstrates how to install the python-jenkins library, explore its extensive API methods, and use Python scripts to create, copy, configure, and control Jenkins jobs, nodes, views, plugins, and builds, providing practical examples and code snippets for each operation.
This guide explains Jenkins pipelines, covering the two syntax styles—Declarative and Scripted—along with agents, stages, steps, directives, parameters, triggers, environment variables, credential handling, parallel execution, and post‑actions, providing complete code examples for each feature.
This tutorial explains how to install the Jenkins Active Choices plugin and create dynamic, script‑driven parameters—including checkboxes, radio buttons, and reactive fields—to enhance pipeline builds with flexible UI controls.
This tutorial walks through setting up a Python testing environment, installing required libraries, creating and coding test cases with Selenium, integrating Allure for reporting, and configuring Jenkins to run the tests and publish the results automatically.
This article provides a detailed tutorial on designing CI/CD pipelines using Jenkins, GitLab webhooks, and GitOps practices, covering single- and multi-application workflow designs, Jenkinsfile configurations for build, test, SonarQube scanning, Docker image creation, and Kubernetes deployment with Helm.
This tutorial provides a complete step‑by‑step guide to set up a Jenkins server inside Docker on CentOS, configure Maven and plugins, create a pipeline that builds a Spring Boot project, builds a Docker image with a Dockerfile, and runs the container automatically, covering all common pitfalls.
This tutorial walks through setting up a CentOS 7 environment, installing Docker CE, deploying Jenkins in a Docker container, configuring Maven and required plugins, creating a Jenkins pipeline that builds a SpringBoot project, packages it into a Docker image via a Dockerfile, and runs the container automatically, providing full end‑to‑end CI/CD automation.
This guide explains what Jenkins pipelines are, compares declarative and scripted pipeline syntax, details pipeline components such as agents, stages, steps, directives, post actions, parameters, triggers, and parallel execution, and provides complete Jenkinsfile examples for each concept.
This tutorial explains how to use Jenkins shared libraries to consolidate repetitive pipeline code, set up Jenkins with Docker Compose, define reusable Groovy methods, create Docker build files, and configure pipeline jobs for maintainable, version‑controlled CI/CD workflows.
Learn how to set up a complete CI/CD pipeline on CentOS 7 by installing Docker and Jenkins, configuring Maven, creating a Jenkins job, and using a Dockerfile to automatically build and run a Spring Boot application with a single click.
This tutorial explains how to gather build data from Jenkins pipelines, store the metrics in InfluxDB deployed on Kubernetes, and visualize the information using Grafana dashboards, providing a complete end‑to‑end solution for continuous delivery measurement and feedback.
The article explains how software and the Internet have transformed business operations, why adopting DevOps practices is essential for modern companies, and introduces Jenkins as a key tool for automating the entire CI/CD pipeline from code commit to production deployment.
This article details how the Industrial and Commercial Bank of China's software development center tackled Jenkins performance bottlenecks by upgrading hardware, switching to OpenJ9 JVM, and implementing Docker‑Swarm load balancing, ultimately boosting build capacity from a few thousand to over thirty‑six thousand daily jobs.
This article explains how Jenkins shared libraries enable team collaboration by allowing Groovy scripts to be shared and version‑controlled, demonstrates how to call a specific Groovy file and all Groovy files in a directory from build.groovy, and lists the operational benefits of using shared libraries.
