This article provides a comprehensive tutorial on using Jenkins Pipeline environment variables, covering how to list, read, set, override, store boolean values, and capture shell command output, complete with practical Groovy code examples for CI/CD workflows.
Jenkins pipelines, defined as Groovy code, enable version‑controlled, reusable CI/CD jobs for complex multi‑service environments, simplifying repetitive tasks such as URL updates, providing change tracking, and automating builds, tests, and releases across branches via Jenkinsfile.
This article explains the drawbacks of a traditional Jenkins master‑slave setup, outlines a Kubernetes‑driven CI/CD solution that dynamically provisions Jenkins slaves as pods, details the deployment of custom Jenkins and SonarQube Docker images, and covers related Kubernetes resources, web‑terminal integration, and tuning tips.
This article provides a curated collection of Jenkins continuous integration tutorials, covering introductory topics such as Jenkins overview and installation, integration guides for tools like GitLab, Nexus, LDAP, and advanced practice articles on pipelines, containerized slaves, and monitoring, serving as a comprehensive resource for DevOps practitioners.
This guide explains how to configure Jenkins to pull Java code from Git, compile and package it with Maven, transfer the artifact to a test server via SCP, and restart Tomcat, providing a complete CI/CD pipeline for Java applications.
This article explains how to add interactive user input to Jenkins pipelines by installing the Pipeline: InputStep plugin, configuring a Jenkinsfile with various parameter types, and reviewing the resulting console output, enabling more flexible DevOps workflows.
This article explains how to integrate Jenkins with GitLab by using the HTTP Request plugin to send API calls, configure pipeline steps, and provides sample Groovy code and a summary of common GitLab API endpoints for operations such as project, branch, tag, and pipeline management.
This article outlines practical DevOps techniques for building Jenkins CI/CD pipelines triggered by GitLab webhooks, detailing both push‑triggered pipelines and merge‑request pipelines, including configuration steps, token handling, code quality checks, and notification mechanisms to streamline automated builds and reviews.
This article shares a DevOps engineer's practical experience of deploying a container‑based build resource pool on OpenShift, managing an artifact repository, and optimizing Jenkins shared libraries with parameterized pipelines to improve CI/CD efficiency and reliability.
This article explains how to address three common SonarQube challenges—data instability across branches, difficulty assigning quality profiles, and project permission management—by creating per‑branch projects, using Jenkins pipeline scripts with Sonar REST APIs, and applying permission templates to streamline large‑scale code‑quality scanning.
The article presents a flexible, Sketch‑driven theme‑customization workflow for car‑navigation apps in which UED designers create and upload resources to a cloud platform, Jenkins packages them into the APK, and real‑device previews verify the result, enabling developers‑free, low‑cost, rapid, and maintainable UI theming across multiple projects.
The Youzan PaaS team migrated its VM‑based test environment to a Kubernetes cluster—integrating GitLab, Jenkins, and Harbor—to cut hardware costs, simplify deployment via Dockerfiles, adopt cloud‑native standards, and gain faster integration cycles, better isolation, and advanced features such as node affinity, security contexts, persistent volumes, and ingress routing.
This article explains the differences between CI, continuous delivery, and continuous deployment, then details a Jenkins‑based pipeline that uses Gradle, 4399AT, Sonar, GitLab, Tomcat, and Nginx to automate building, testing, and reporting for Android applications.
This guide explains how to build a Docker image that bundles a Jenkins slave with Maven and SonarScanner, and provides a Jenkinsfile that runs SonarScanner inside a Kubernetes pod to perform fast, automated code analysis as part of a CI/CD pipeline.
This article explains how to define, fetch, and process unit test metrics such as failCount, skipCount, and totalCount from Jenkins build logs using the Jenkins JSON API and a Groovy Jenkinsfile script.
This article examines the Jenkins doCheckJobName implementation, explains how it validates job names and permissions, and explores the underlying Java technologies such as ViewGroup, CopyOnWriteArrayList, CopyOnWriteMap, TreeMap, and concurrency mechanisms used in Jenkins' source code.
This guide details step‑by‑step configurations for integrating Single Sign‑On (SSO) and WebHook between GitLab and Jenkins, covering GitLab application setup, Jenkins backup and proxy adjustments, plugin installation, token generation, and testing the connection to ensure successful builds.
This guide details the prerequisites, step‑by‑step installation methods (WAR, macOS, Windows, Linux/Docker), and post‑installation configuration of Jenkins, including unlocking, plugin management, user creation, update site configuration, slave node setup, and configuration file locations.
This guide explains how to configure Jenkins user management, credential storage, and permission settings, covering entry points, LDAP/GitLab integration, credential types, and role-based access control with detailed steps and visual illustrations for administrators.
This guide explains how to set up Maven, Ant, Gradle, and NPM in Jenkins, covering system prerequisites, installation steps, Jenkins configuration, and frequently used build commands for each tool.
This article provides an overview of Jenkins, covering its origins, key features, development history, web UI components, project types, parameter options, and trigger mechanisms, illustrating why it is a widely used open‑source automation tool in modern software delivery pipelines.
This guide outlines project naming conventions and step‑by‑step instructions for creating a new Jenkins project, configuring build history, parameterized builds, triggers, Jenkinsfile, and how to build, view logs, and debug the pipeline, illustrated with screenshots.
This document provides a detailed, chapter‑by‑chapter guide to Jenkins, covering its fundamentals, installation on various platforms, management, integration with tools, pipeline creation for frontend, backend, and mobile projects, as well as container deployment and monitoring solutions.
This article explains two practical approaches for handling private JAR dependencies in a Gradle‑based Jenkins CI pipeline, including fixed path assignment and automated network‑based retrieval, and provides a complete Gradle script example illustrating the implementation.
This guide explains how to configure a Jenkins slave Docker image by installing JDK, Maven, and other build tools, adding the agent.jar, setting environment variables, and providing a startup Bash script to launch the Jenkins agent within the container.
This guide details how to configure OpenShift network access for Jenkins, set up persistent volumes and claims, define RBAC roles, label nodes for scheduling, and create Jenkins credentials and a Kubernetes‑based pipeline for CI/CD.
This guide demonstrates how to create Jenkins roles, authorize plugin APIs, and automate user creation and role assignment using Python scripts and HTTP POST requests, including sample code for creating accounts, granting roles, and managing a list of users via a parameterized Jenkins job.
This article explains how to set up and manage Jenkins CI/CD pipelines on Kubernetes, covering plugin installation, pod deployment, pipeline configuration, and best practices for continuous integration and delivery in a cloud‑native DevOps environment.
This article explains how to use Jenkins' Lockable Resources Plugin to lock and release virtual machines across Linux, AIX, Windows, Solris, and HP‑UX, ensuring that concurrent jobs do not interfere with each other's environments during development and testing.
The author encountered a "cannot find symbol" error when Java and Groovy code called each other, which worked locally but broke on Jenkins and Gradle builds, and solved it by renaming the file to .groovy and adding the Groovy plugin so Groovy compiles before Java.
This guide explains how to set up Android project packaging paths, write Python upload scripts for fir.im and Pgyer, configure a Jenkinsfile with checkout, build, and upload stages, and define Jenkins global variables and parameters for automated CI/CD of mobile apps.
The article revisits software process improvement, arguing that despite DevOps and cloud‑native advances—exemplified by Jenkins’s evolution—continuous, metric‑driven refinement remains essential for efficiency, quality, and cost control, while highlighting new challenges such as organizational recognition, flexible measurement, and integrated CI/CD solutions.
This guide explains how to configure Jenkins with dynamically generated slave nodes on OpenShift, set up Kubernetes integration, and provides Dockerfile and startup script details for Jenkins slaves, including credential and certificate handling.
This guide explains how to package a Spring Boot service, publish the artifact and startup script to remote hosts, and remotely start the service using Jenkins pipelines and SaltStack commands, covering preparation, Jenkins project setup, Jenkinsfile logic, and deployment logs.
The article explains how Jenkins' multi‑branch pipelines can be extended for enterprise‑scale CI/CD by using dynamic pipeline creation, centralized shared libraries, governance practices, and the Remote File Plugin to centralize, secure, and simplify pipeline script management across many projects.
This guide explains how to host a web project on GitHub, configure an Nginx front‑end server, and set up Jenkins with a detailed Jenkinsfile to automate building, packaging, and deploying the application using SaltStack.
This tutorial walks through installing NFS, creating PersistentVolume and PersistentVolumeClaim, deploying Jenkins as a Kubernetes Deployment with a Service, configuring Jenkins credentials and plugins, and building a complete CI/CD pipeline that builds, pushes Docker images and promotes deployments across dev, qa, and prod environments.
This guide explains how to embed JaCoCo into Tomcat startup, use Ant build scripts to collect and merge execution data across three servers, generate HTML coverage reports, and centralize them for easy viewing in a Jenkins‑driven API testing pipeline.
This guide explains how to add JaCoCo to a Tomcat service, use Ant build.xml to collect and merge execution data from remote JVMs, generate HTML coverage reports, and centralize the results for API testing in a multi‑server Jenkins environment.
This article explains how to configure JaCoCo in Java service startup parameters, use Ant build.xml to collect execution data, generate HTML coverage reports, and centralize the results on a dedicated server within a multi‑machine Jenkins CI environment.
This article describes Ctrip’s large‑scale continuous delivery system, its benefits for efficiency, quality, reliability and team collaboration, the evolution of its deployment models, the design of a unified Jenkins‑based build platform, and practical experiences running Jenkins on Kubernetes with elastic scheduling and workspace management.
This guide explains how developers can commit code, update the Maven pom, use Jenkins to read the pom, upload artifacts to Nexus, and retrieve the latest package URL, illustrating a complete CI/CD workflow for a Spring Boot application.
This article explains how to obtain required permissions, add SSH keys, create a shell deployment script using git and rsync, and configure Jenkins to automatically deploy code from GitHub through a middle machine to a test server.
This guide explains how to configure ZenTao to trigger Jenkins builds automatically when tasks reach a designated status, covering Jenkins parameterized builds, webhook setup, integration testing, and practical tips for controlling builds based on task state.
This guide explains how to locate the Android SDK path in Jenkins, list available SDK components, upgrade a specific version of the tools and build‑tools, and verify the update so that Jenkins can successfully build Android APK packages after a toolchain upgrade.
This tutorial walks through installing Jenkins, InfluxDB, and Grafana, configuring Jenkins plugins, creating the InfluxDB database and user, writing a pipeline script to publish build metrics, and setting up Grafana dashboards with variables to visualize Jenkins build data.
This article shares a small team’s step‑by‑step journey from basic monitoring to fully automated CI/CD pipelines, detailing why Prometheus was chosen, how Ansible and GitLab integrate with Jenkins, and tips for configuration versioning, alerting, and scaling the setup.
The article revisits software process improvement, arguing that despite DevOps and cloud‑native advances—exemplified by Jenkins’s evolution from simple builds to fully programmable, Git‑and‑Kubernetes‑driven pipelines—continuous, metric‑driven refinement remains essential for boosting efficiency, quality, and resilience in modern, micro‑service‑centric delivery.
This guide walks through installing SaltStack components (salt‑master, salt‑minion, and salt‑api) on CentOS, configuring them, testing the API, and then integrating SaltStack with Jenkins by creating Jenkinsfiles that invoke Salt commands via the API or direct CLI for automated deployments.
This article explains how CI/CD transforms software release practices by detailing continuous integration, delivery, and deployment, describing their benefits, challenges, and common tools such as Jenkins, while highlighting the role of pipelines and cloud environments in modern DevOps workflows.
Facing a legacy .NET and Oracle‑based vendor system serving ten countries, a global bank doubled release frequency and halved failures by separating small data‑patch deployments from monthly releases, automating testing and deployment with Jenkins, GitHub, and custom scripts, and aligning release windows to regional business hours.
This guide explains how to configure Single Sign‑On (SSO) and WebHook integrations between GitLab and Jenkins, covering application setup, redirect URL configuration, Jenkins backup and proxy adjustments, installing the GitLab hook plugin, generating tokens, and testing connections to ensure successful CI/CD triggering.
A major bank transformed its legacy vendor‑managed .NET/Oracle applications by automating data‑patch deployments through Git, Jenkins, and custom database tools, enabling weekday releases, reducing manual effort, cutting overtime, and achieving continuous delivery despite outdated systems.
This guide explains how to integrate Maven, Ant, Gradle, and NPM with Jenkins, covering prerequisites, installation steps, Jenkins configuration, and common build commands for each tool, including setting environment variables, creating Jenkinsfiles, and verifying the setup with test builds.
The article describes a comprehensive CI/CD platform built on Jenkins and JBPM that streamlines compilation, process control, and external system integration for a large‑scale, plugin‑driven mobile app, addressing challenges such as build speed, code download, and task tracking.
This guide explains Jenkins project management, covering naming conventions, creating new projects, configuring build history, parameterized builds, triggers, Jenkinsfile setup, as well as building, viewing logs, and debugging pipelines with illustrative screenshots.
This guide explains how to configure Jenkins user accounts, manage credentials for secure storage, and control access permissions using role‑based strategies, covering viewing, creating, updating, and deleting users and credentials as well as assigning global, project, and node roles.
This guide details the prerequisites, multiple deployment methods (WAR, macOS, Windows, Linux), and post‑installation configuration steps for Jenkins, including unlocking the instance, installing plugins, creating an admin user, setting an update site, and configuring a slave node.
This article provides a comprehensive overview of Jenkins, covering its definition, key features, historical evolution from Hudson, and detailed descriptions of its web UI components such as management, project, and build pages, as well as project types, parameters, and triggers.
This article details Ctrip's large‑scale continuous delivery practice, describing their deployment pipeline, unified build platform, Jenkins integration, Kubernetes‑based elastic agents, monitoring, and the challenges and improvements they encountered while handling thousands of daily deployments across multiple environments.
This document provides a comprehensive outline of Jenkins practice, covering fundamentals, installation on various platforms, management, integrations with tools like Maven, GitLab, and SaltStack, and detailed pipeline examples for front‑end, back‑end, and mobile projects.
This article details a practical, production‑grade Spark CI/CD workflow using GitLab and Jenkins, covering source management, multi‑branch release strategies, automated testing, gray‑release, hot‑fix handling, and rollback mechanisms for large‑scale deployments.
This guide provides step‑by‑step instructions for uploading a Jenkinsfile to GitHub, setting up Jenkins credentials and shared libraries, installing required plugins, configuring SaltStack master and minion, and troubleshooting common Git and SaltStack issues in a CI/CD pipeline.
Groovy, a dynamic JVM language praised for its concise syntax and powerful features like closures, has re‑entered the TIOBE Top 20 thanks to its role in Jenkins and Gradle, offering Java developers a compelling boost to Spring Boot productivity.
Zhihu built a Docker‑based Jenkins Pipeline system that now runs over 3,000 jobs daily, offering low entry cost, high customizability, language openness, fast stable builds, and a highly available, extensible cluster while reducing debugging effort and enforcing quality standards.
This article provides a step‑by‑step tutorial on preparing the environment, configuring Tomcat, copying Jenkins files, and handling permissions to successfully migrate a Jenkins instance to a new machine or directory.
This page curates a collection of high‑quality technical articles and tutorials for developers working within the Vivo Mobile Internet ecosystem, covering Elasticsearch performance and search tuning, Jenkins CI/CD pipelines, Kubernetes scheduling and TensorFlow, service‑mesh resources, SparkSQL big‑data optimizations, Java concurrency, Quick‑App development, and Spring Cloud microservice frameworks.
This guide explains how to configure Jenkins with dynamically generated slave nodes on OpenShift, integrate Kubernetes settings, and provides Dockerfile and startup script details to ensure reliable CI/CD pipelines in a cloud‑native environment.
This article details how to build an automated testing framework for algorithm interfaces with TestNG, Maven, Allure Report, Excel data-driven inputs, and Jenkins integration, covering project setup, plugin configuration, test execution, and report generation to streamline repetitive testing tasks.
This article presents a curated list of fundamental and advanced tools—including JIRA, Git, Jenkins, Selenium, Groovy, Spock, Maven, Gradle, Docker, and Linux—that Java developers with any experience level should master to improve productivity, testing, build automation, and deployment.
This article explains how to construct a Dev platform that supports both traditional enterprise delivery and internet‑centric business models, detailing the Dev stages (Code, Build, Assemble, Deploy, Monitor), their objectives, required tooling, and the architectural patterns needed for automated microservice packaging and deployment.
This article explains how to solve the problem of losing Jenkins job artifacts when using dynamic Kubernetes agents by mounting the slave workspace to the master via NFS, modifying pipeline code, and accessing the workspace through the Jenkins UI, complete with step‑by‑step instructions and troubleshooting tips.
The Jenkins Area Meetup 2018 in Shenzhen, co‑hosted by DevOps时代社区 and vivo Mobile Internet, gathered experts who presented on hybrid‑cloud DevOps, large‑scale CI/CD with Jenkins at Tencent, DevOps‑based R&D and operations standards, and an automated CMDB‑driven operations platform, concluding with strong community engagement and available presentation materials.
The article outlines a comprehensive automated testing framework for a DSP advertising platform, covering income, interface, and log layers, and detailing the use of protobuf, Pytest, Logstash, ElasticSearch, Jenkins, and Allure to achieve efficient, real‑time quality assurance and continuous integration.
This article explains why Jenkins' HTML Publisher Plugin often fails to load custom CSS and JavaScript due to its default Content Security Policy, and provides two solutions: temporarily disabling CSP via a Groovy command and permanently applying the change using a startup-triggered job.
This article provides a detailed Jenkins migration guide, covering environment preparation, Tomcat configuration, permission settings, script adjustments, data copying, and troubleshooting tips to ensure a smooth transition to a new production server.
This guide explains the fundamentals of CI/CD pipelines within DevOps, walks through each stage from code commit to production deployment, and provides a step‑by‑step tutorial using Jenkins and Docker to automate building, testing, and releasing a web application.
This article explains the concept of CI/CD, its benefits for agile development, and provides a detailed comparison of seven popular CI/CD tools—including Jenkins, Travis CI, Circle CI, TeamCity, Codeship, GitLab CI, and Bamboo—covering their features, pricing, and ideal use cases.
The team replaced numerous free‑style Jenkins jobs with a single Pipeline‑as‑code project that pulls a shared script from SCM, uses UI parameters and project‑specific configs to run a standardized Android build flow—including React Native bundle download—providing versioned, maintainable, and visualized multi‑project CI.
This article explains the concept and advantages of continuous integration, outlines a typical CI workflow including submission, testing, building, deployment and rollback, discusses challenges in test case management, reviews popular CI tools such as Jenkins and Qone, and details code‑coverage measurement using Jacoco with Maven configuration.
This guide explains what Jenkins is—a free, powerful CI/CD platform for any build or deployment—and shows the exact command to display the initial administrator password stored in the Jenkins home directory on a Windows host.
This article shares a step‑by‑step experience of a small team that built a low‑cost automated operations pipeline using Prometheus for monitoring, Ansible for configuration management, and Jenkins for CI/CD, covering monitoring, alerting, versioned configs, and scalable deployment practices.
This article walks through the design and implementation of a production‑ready continuous integration and delivery pipeline using Jenkins, Artifactory, Kubernetes, and Helm, covering pipeline architecture, artifact promotion, binary metadata linking, resource limits, multi‑container pods, Helm chart management, monitoring with EFK, and practical lessons learned.
This article walks through a small team’s step‑by‑step journey to low‑cost automated operations, covering monitoring with Prometheus, configuration versioning via Ansible, CI/CD pipelines in Jenkins, and scalable script generation using Cookiecutter.
This guide walks small teams through step‑by‑step implementation of low‑cost automated operations, covering basic monitoring with Prometheus, configuration versioning via Ansible, CI/CD pipelines using Jenkins, and scaling practices, enabling gradual evolution toward enterprise‑grade DevOps architectures.
This guide explains how to configure the Python environment and use the jenkinsapi library to interact with Jenkins, detailing class constructors, method signatures, parameters, and common operations such as retrieving job information, managing builds, and controlling jobs.
This guide explains how to create a new view in Jenkins, configure its settings, and modify the view later through the edit interface, providing step‑by‑step instructions with illustrative screenshots for effective job organization.
This guide explains how to configure Jenkins with necessary plugins, install iOS certificates, and use a Python script to automate cleaning, building, packaging, and uploading an iOS .ipa to Pgyer, enabling quick distribution to internal testers.
This guide explains how to raise Spring Boot code quality to near‑zero defects by writing comprehensive unit tests for Service, DAO, and Controller layers, integrating the Cobertura plugin for detailed coverage metrics, and automating the process with Jenkins for continuous integration.
This article provides a comprehensive guide to installing and utilizing the Python-Jenkins library for automating build processes, retrieving job information, and managing continuous integration workflows through Jenkins server interactions.
This article explains how to set up a Jenkins-based CI/CD pipeline using Docker, covering Jenkins concepts, deployment via Docker containers, master‑slave configuration, essential Docker plugins, and API usage with practical command‑line examples for building automated workflows.
This guide walks through creating a Jenkins job to pull Android source code from Git, configure Gradle invocation, add FIR.IM QR‑code generation, troubleshoot common SDK environment issues, and update Android SDK and build‑tools via command‑line steps.
This guide explains how to download and install the Android SDK on macOS, set up the required environment variables, install and configure Jenkins plugins—including Git, Gradle, Xcode, and fir.im—and finally configure the ANDROID_HOME global variable for automated builds.
This article explains how to extend a Jenkins plugin by creating a custom Action class to pass data to job pages, adding a sidebar option, and implementing a new configuration page using Jelly templates, with step‑by‑step code examples and deployment instructions.
This step‑by‑step tutorial shows how to install Tomcat, add Jenkins inside Tomcat, and set up JDK on macOS, covering environment preparation, required downloads, configuration of environment variables, command‑line startup and shutdown, and port conflict resolution.
This article shares a Linux operations engineer’s interview experience, presenting seven common interview questions—self‑introduction, gray‑release implementation, MongoDB deployment, Jenkins‑based release and rollback, Tomcat work modes, monitoring solutions, and data backup—along with concise, practical answers and preparation tips.
This article describes how to improve API testing efficiency and quality by using an interface‑diff approach integrated with Jenkins, CSV‑managed test cases, and the pytest framework, covering background, goals, technical implementation, and practical insights.
This article explains how to make the browser launched by Jenkins‑controlled WebDriver appear in the foreground and how to configure Python print statements to output logs instantly, offering multiple practical solutions for each problem.
This guide walks through five practical Jenkins CI scenarios—adding credentials, configuring password‑less SSH for remote Linux login, enabling password‑less Git pulls, SCP file transfers, sudo commands, and token‑based API builds—providing step‑by‑step instructions and key pitfalls to avoid.
The Lego platform is an internal, data‑driven API automation framework built with Jenkins, TestNG, ReportNG, a Java base library, and a MySQL‑backed web UI that lets users create, schedule, and run lightweight test scripts while minimizing development cost, maintenance effort, and maximizing reporting and extensibility.
