This article demonstrates how to list fail‑list files on Linux, extract user names via shell string trimming, capture the output in a Jenkins pipeline, convert it into a Groovy array, and send individualized email notifications with the corresponding files attached.
This guide explains how to perform interface testing using Robot Framework, set up the required environment, design test cases for order placement, integrate the tests into Jenkins CI/CD pipelines, expose them via a Flask API, containerize with Docker, and deploy the solution on Kubernetes.
This guide explains how to prevent Jenkins shell steps from aborting on errors by using the +e option, appending || true, or custom failure handling commands, and provides four concrete examples with test results to illustrate each method.
This article describes a DevOps‑based continuous deployment practice that integrates project management, code, image, and configuration handling with tools such as Bitbucket, Jenkins, Docker, Harbor, and Kubernetes to achieve automated, one‑click deployments for development and test environments.
The article explains that the Jenkins "Launch agent by connecting it to the master" option, formerly called "java web start", lets agents initiate a TCP connection to the server using JNLP, details port configuration, GUI versus headless operation, and alternative launch methods.
This guide walks through installing Jenkins and Nexus Repository Manager in Docker, configuring a Maven hosted repository, adding credentials, and creating a Jenkins pipeline that builds a Java project and publishes artifacts to Nexus, illustrating a complete DevOps CI/CD workflow.
This guide walks you through running Jenkins in Docker, unlocking and configuring it, creating development and production Git branches, writing a Jenkinsfile with build, test, deliver and deploy stages, and executing the pipeline for both environments using Blue Ocean.
This guide explains how to use a Jenkins‑triggered shell script with Expect to regularly log into multiple remote VMs, record results, allow users to add hostnames, and commit changes to a Git repository for automated DevOps operations.
The article outlines Huawei Cloud's 618 promotional offers—including free server vouchers and discounted cloud instances—provides step‑by‑step redemption instructions, and also introduces a beginner‑friendly Jenkins DevOps course covering CI/CD pipeline creation and best practices.
This guide walks you through adding a Kubernetes cloud in Jenkins, extracting and decoding the required certificates from the kube config, creating a client P12 file with OpenSSL, uploading the credentials, and testing the connection to ensure seamless CI/CD integration.
This article details a two‑day troubleshooting process that identified missing SSL certificates and TLS configuration as the cause of Jenkins Artifactory plugin upload failures on AIX, and explains how setting the SSL_CERT_FILE environment variable and a JVM option restored successful artifact uploads.
This guide walks through generating a self‑signed SSL certificate using OpenSSL, converting it to PKCS12 and JKS formats, placing the keystore on the Jenkins server, updating Jenkins configuration for HTTPS, and testing the secure connection.
This article explains how to construct a precise testing system for Java services by combining java‑callgraph for call‑graph extraction, Neo4j for graph storage, and Jenkins with Overmind for automated diff analysis and report generation, detailing architecture, tool setup, scripts, and integration steps.
This guide explains how to install Mattermost on CentOS, configure a MySQL database and Nginx proxy, and integrate it with Jenkins using the Mattermost Jenkins plugin and pipeline scripts to enable ChatOps‑style notifications throughout the CI/CD workflow.
This guide walks through installing Jenkins Blue Ocean via Docker, setting up the Jenkins home directory, launching the server, and creating pipelines using both the classic Jenkins UI with a declarative Jenkinsfile and the visual Blue Ocean plugin, covering configuration, triggers, stages, and artifact handling.
This article explains two practical methods—using a custom linter.sh script that calls Jenkins's REST API and employing the Jenkins Pipeline Linter Connector VS Code extension—to validate declarative pipeline syntax before committing, reducing repeated build failures caused by syntax errors.
This article provides a step‑by‑step guide on installing Jenkins Blue Ocean via Docker, creating pipelines using both the classic UI and the Blue Ocean visual plugin, and configuring pipeline stages, triggers, and environment variables with example Groovy scripts.
This article walks you through half‑automatic and fully automated deployment of a SpringBoot application using Docker, a custom Bash script, and Jenkins, covering project packaging, Dockerfile creation, script details, Jenkins SSH publishing, and practical tips for reliable CI/CD pipelines.
Learn how to automate the packaging, Docker image creation, and remote deployment of a SpringBoot application using a semi‑automatic script and Jenkins, covering Dockerfile setup, Bash deployment scripts, Jenkins Publish Over SSH configuration, and best practices for reliable production releases.
This guide demonstrates how to write parameterized Ansible playbooks for MariaDB installation and configure Jenkins pipelines to execute those playbooks, securely passing credentials and extra variables to achieve fully automated, repeatable database deployments.
This article demonstrates how to set up a Jenkins Declarative Pipeline to automate the CI/CD workflow for a .NET Core project, covering stages such as checkout, restore, clean, build, test, publish, and email notifications.
This guide walks through setting up a complete CI/CD pipeline for a SpringBoot micro‑services project using Jenkins, Docker, Harbor, GitLab, and Python scripts to build, package, and deploy containers onto a Kubernetes cluster, covering environment installation, configuration, and testing steps.
This presentation walks through a step‑by‑step approach that blends real‑world business needs, design patterns, and Jenkins features to demonstrate how a shared‑library‑based pipeline engine can support large‑scale, complex CI/CD scenarios, from native solutions to structured atomic units and dynamic execution refactoring.
This article explains the drawbacks of the traditional software release process, introduces continuous integration, delivery, and deployment concepts, compares GitLab CI/CD with Jenkins, and outlines the architecture, configuration files, and advantages of using GitLab’s built‑in CI/CD platform.
This guide explains how to periodically synchronize Bitbucket master branches to GitHub repositories using a Jenkins pipeline, detailing branch policies, a simplified workflow for feature and bugfix branches, and a reusable Jenkinsfile that leverages parameterized builds to control repository syncing.
This guide explains how to set up Bitbucket webhooks and Jenkins Bitbucket Branch Source plugin so that every Pull Request automatically triggers a Jenkins multi‑branch pipeline build, improving build speed and reliability.
This article explains the shortcomings of the traditional software release process, introduces continuous integration, delivery, and deployment concepts, compares GitLab CI and Jenkins features, and outlines the advantages, architecture, and practical usage of CI/CD pipelines for DevOps teams.
The article explains why Jenkins declarative pipelines can hit a 64 KB method size limit, presents three practical mitigation strategies—including extracting steps, switching to scripted pipelines, and using Shared Libraries—and compares their advantages and disadvantages to help developers keep their Jenkinsfiles maintainable.
This article explains how to implement infrastructure‑as‑code for CI/CD tools on a shared Kubernetes cluster by using a lightweight variable‑template engine, configuring Jenkins, Gogs, and Nexus via ConfigMaps, initContainers, and REST/Script APIs, and combining multiple automation techniques for seamless deployment.
This guide explains how to configure an Android project, write Python scripts for uploading APKs to Fir.im and Pgyer, create a Jenkinsfile with checkout, build, and upload stages, and set up Jenkins global variables and pipeline parameters for automated CI/CD deployment.
This article discusses common challenges encountered when using SonarQube at scale—including data instability across branches, rule configuration for new projects, and project permission management—and presents practical solutions such as branch-specific project naming, Jenkins-driven API automation, and recommendations for purchasing commercial editions.
This guide explains how to streamline the deployment of multiple microservice modules by creating a Jenkins project that integrates with GitLab, lets users select services, and uses the pipeline parallel syntax to run tasks and stages concurrently, reducing manual effort and speeding up releases.
This article details how to replace VM‑based Jenkins slaves with dynamically provisioned Kubernetes pods, covering architecture design, Jenkins master configuration, pod template YAML, custom Docker images, pipeline scripts, and performance tuning to improve resource utilization and scaling.
This article explains why and how to replace Jenkins Freestyle projects with Pipeline jobs, covering the limitations of Freestyle, the benefits of Pipeline, and providing a complete scripted example that automates code checkout, building, testing, reporting, and email notification.
This article compiles a series of frequent Jenkins pipeline problems—such as Git parameter handling, credential plaintext usage, Sonar scanning, JSON parsing, HTTP request handling, and build termination—and provides practical solutions, code snippets, and tips to help developers avoid pitfalls and streamline their CI/CD workflows.
This article compiles a series of real-world Jenkins pipeline problems—ranging from Git parameter handling and credential usage to Sonar scanning, JSON parsing, and pipeline control—offering concise solutions and code snippets to help DevOps engineers avoid common pitfalls and streamline their CI/CD workflows.
This article provides a comprehensive overview of Jenkins' architecture, detailing the master and slave nodes, web interface, jobs, plugins, security, credentials, cloud agents, global settings, logging, configuration storage, connection methods, and best practices for backup and deployment.
This article demonstrates how to install the Jenkins File Operations plugin, generate its DSL configuration, run a pipeline that creates a file, lists directory contents, and includes a sample pipeline script with logs and screenshots illustrating each step.
This article outlines why DevOps is a hot career path, answers common questions about tools and practices, presents a 2020 DevOps roadmap, recommends key books such as The Phoenix Project and Continuous Delivery, and suggests free and paid courses—including Jenkins pipelines and CI/CD—to help beginners become competent DevOps engineers.
This article describes how to build a CI/CD pipeline using TFS for source control and Jenkins for automation on a Red Hat OpenShift‑based PaaS, covering code management, automated builds, testing, container image creation, deployment, and the necessary Jenkins and TFS configurations.
This step‑by‑step guide shows how to set up a gray (canary) release environment from server preparation and tool installation to Nginx traffic routing and Jenkins automation, enabling developers to safely roll out new features to a subset of users before full deployment.
This article explains the fundamentals of static code scanning, reviews popular analysis tools such as Checkstyle, FindBugs, PMD and SonarQube, and details a three‑year evolution of a dealer technology department’s CI/CD integration, automation, metrics, and key success factors for effective code quality assurance.
This guide explains how to refresh the Jenkins interface by installing the Simple Theme plugin, applying an online material CSS stylesheet or a local custom CSS file, and configuring the theme settings to achieve improved fonts, syntax highlighting, and console output appearance.
This guide walks you through installing the Blue Ocean plugin, accessing its UI, creating a multibranch pipeline, editing stages such as the GetCode stage, and committing the generated Jenkinsfile, highlighting its visual features and current limitations.
This article describes how to create an immutable Jenkins instance by storing all configuration and job definitions as declarative code, building a Docker image with required plugins, using the Configuration‑as‑Code and Job‑DSL plugins, and automating setup tasks such as default user creation and wizard skipping across multiple environments.
This article explains four concrete distinctions between Jenkins scripted and declarative pipelines—including code validation at start, stage restart capability, options handling, and conditional stage execution—illustrated with side‑by‑side code examples and screenshots.
Load testing, which simulates thousands of real users, is crucial for uncovering performance bottlenecks that functional tests miss, and integrating automated load tests into every CI cycle helps prevent crashes, protect revenue, and ensure reliable software delivery.
This article reviews the ten most popular continuous integration tools of 2020—including Jenkins, Buddy, TeamCity, Bamboo, GitLab CI, CircleCI, Codeship, CruiseControl, Buildbot, and GoCD—detailing their main features, language support, integration options, and suitability for various DevOps workflows.
This article explains the fundamental principles, practical steps, and toolchain choices for designing a reliable CI/CD pipeline that accelerates software delivery while maintaining quality, covering integration, automation, DevOps culture, containerization, continuous testing, and controlled deployment.
This guide explains how to install and configure Jenkins' Email Extension plugin, set up SMTP settings, create a shared library Groovy script for email notifications, and test the email functionality within a Jenkins pipeline.
This guide explains branch development strategies, naming conventions, Dockerfile creation, image building and publishing, as well as automated Harbor image cleanup using Jenkins pipelines, providing a comprehensive workflow for managing container images in a cloud‑native environment.
This tutorial explains how to set up Docker‑in‑Docker for Jenkins, mount the Docker socket, run containers as root, and create multi‑stage pipelines that use different Docker images for Maven and Node builds, including troubleshooting tips.
This tutorial walks through using Groovy code to set up Docker Cloud in Jenkins, detailing class imports, parameter maps, template creation, cloud configuration, and an alternative JNLP‑based example for advanced container launch strategies.
This guide explains how to deploy Jenkins using Docker, set up both static and dynamic Docker‑based slaves, configure plugin sources, adjust certificates, and fine‑tune Docker Cloud settings for reliable CI/CD pipelines.
This article explains why and how to adopt the open‑source Cppcheck tool for C/C++ static analysis, covering installation on Linux, building from source, command‑line usage, Jenkins plugin integration, pipeline scripting, and report visualization to prevent new warnings from entering the codebase.
This article demonstrates how to use Jenkins Core API and Job DSL in a Groovy Jenkinsfile to programmatically create, update, and manage Jenkins jobs and folders, including handling security approvals and template project configuration.
This article explains what Jenkins and pipelines are, then guides you through installing Docker, running a Jenkins container, retrieving the initial admin password, and completing the Jenkins setup via the web interface, including plugin installation and user creation.
During the COVID‑19 pandemic, the mall development team adopted a comprehensive DevOps toolchain—including JIRA, GitLab, Jenkins, Sonar, Docker, and Wiki—to enable end‑to‑end remote development, automated pipelines, and continuous delivery, resulting in improved efficiency, reliable releases, and seamless collaboration.
This article presents a complete Jenkinsfile that defines choice parameters for selecting an environment and dynamically populates a server list using Groovy scripts, then demonstrates a simple pipeline stage that validates and echoes the chosen values, aborting the build if validation fails.
This article introduces Jenkins infrastructure setup, including installation via Ansible, Puppet, Chef or Docker, outlines management tools such as CLI, REST API, python‑jenkins and Jenkins‑client, describes project creation plugins like Job DSL, Job Builder and Jenkinsfile, and explains system configuration using Groovy scripts and the Configuration‑as‑Code plugin.
This guide explains how to use Jenkinsfile Runner to execute Jenkins pipelines locally via the command line or Docker, covering prerequisite downloads, building the runner, command‑line options, a sample Jenkinsfile, and tips on plugin management for efficient testing.
This guide walks through setting up a complete development and automated deployment stack on a fresh CentOS server, using Docker with Laradock for PHP testing, GitLab for source control, and Jenkins for CI/CD, including detailed command examples, configuration parameters, and plugin setup.
This guide explains how to install and configure the Jenkins Active Choices plugin to create dynamic, parameterized builds in Pipeline projects, including using Groovy scripts for checkbox, radio button, and multi-select UI widgets, and handling reactive parameters with conditional logic.
This guide explains how to set up a Jenkins instance with a domestic update mirror by customizing a Docker image, adjusting environment variables, copying certificates, and modifying update‑center URLs to improve plugin download speed in China.
The article explains that shared libraries, a familiar concept from languages like Python, are implemented in Jenkins as Groovy classes containing methods, helping to centralize pipeline code, avoid bloated Jenkinsfiles, and improve maintainability, while also promoting a live broadcast and group chat.
This guide explains how to deploy Nexus with Docker, define component concepts, configure Maven settings, and use Jenkins pipelines—both script‑based and Nexus plugin—to upload and publish artifacts to Nexus and Artifactory, including API scripts and naming conventions for repository management.
This guide walks through setting up Crowd 3.7.1 with Jenkins 2.220 by creating user directories, groups, and applications in Crowd, then configuring Jenkins to use the Crowd2 plugin for global security and login, including screenshots for each step.
The article explains the concept of shared libraries, compares them to Python modules, describes how Jenkins Groovy shared libraries store classes and methods, and discusses their role in simplifying and standardizing pipeline code to avoid overly complex Jenkinsfiles.
The article explains the concept of shared libraries, compares them to Python modules, describes how Jenkins uses Groovy classes for reusable pipeline code, and highlights their role in simplifying and standardizing Jenkinsfile management while also promoting an upcoming live event.
This guide lists Jenkins REST API endpoints for project management tasks such as retrieving information, creating, disabling, enabling, deleting, and building jobs, and demonstrates how to wrap HTTP requests with the httpRequest step in a Jenkins pipeline using authentication tokens.
This tutorial introduces Maven integration, outlining its key features, installation and configuration steps, and how to manage dependencies via coordinate repositories, targeting learners interested in DevOps and build automation.
This guide introduces Jenkinsfile pipeline development utilities, covering a snippet generator, declarative syntax generator, essential global variables, and frequently used pipeline methods such as JSON handling, credential usage, source checkout, HTML reporting, interactive input, build user identification, and HTTP requests.
This article walks through Docker’s architecture, acceleration tricks, containerization best practices, and a hands‑on DevOps workflow that uses Jenkins to build Docker images and deploy them to a Kubernetes cluster, highlighting practical tips for Chinese developers and cost‑effective cloud‑native operations.
This tutorial explains how to configure Jenkins shared libraries, create Groovy utility classes, and integrate them into pipelines, covering library structure, code examples, required plugins, and usage within Jenkinsfiles to enhance DevOps workflows.
This guide explains how to install and configure SonarQube Scanner, set up project analysis parameters, and automate code quality checks within Jenkins pipelines using shared libraries and Groovy scripts, enabling continuous inspection of Java projects.
Jenkins X introduces serverless Jenkins, leveraging Prow and Knative on Kubernetes to provide a cloud‑native, highly available CI/CD solution that eliminates single‑point failures, reduces costs, and integrates GitOps, while offering migration guidance, FAQs, and practical Terraform commands for deployment.
To keep Git repository analysis up‑to‑date, this guide shows how to create a Jenkins pipeline that periodically or on‑demand runs GitStats, generates HTML reports, deploys them to Tomcat, and cleans up workspace, supporting multiple repositories with parameterized builds and email notifications.
The author experienced unusually long stage transitions in a Jenkins pipeline, traced the slowdown to differences between a manually built Kubernetes cluster using CephFS on an older Linux kernel and an automated Ansible‑deployed cluster using Ceph RBD, and discovered that switching to NFS or proper Ceph configuration restored fast execution.
This article explains how to gather build metrics from Jenkins pipelines, store them in InfluxDB deployed on Kubernetes, and display the data using Grafana dashboards, providing a practical DevOps solution for continuous delivery measurement and feedback.
This guide explains how to install and configure the Prometheus plugin for Jenkins, set up monitoring endpoints, adjust ConfigMap settings, and connect Grafana to display Jenkins CI metrics, providing a complete end‑to‑end DevOps monitoring solution.
This article provides an overview of three continuous integration solutions—CircleCI, Travis CI, and Jenkins—detailing their key features, supported platforms, licensing models, and a comparative table to help teams choose the most suitable CI tool based on their needs.
This guide explains how to automate Jenkins project creation at scale by using the Job DSL plugin to generate DSL scripts, converting them to XML via a Playground tool, and creating or updating jobs through the Jenkins Core API or Script Console, with full code examples.
This guide walks you through preparing scripts, uploading them, making them executable, and creating Jenkins jobs for each module of the multi‑module Mall project to achieve fully automated deployment using free‑style projects and SSH execution.
This article walks through step‑by‑step how to integrate Jenkins with LDAP, GitLab, and GitHub for unified authentication, covering preparation, plugin installation, configuration details, testing, and the final login experience, illustrated with screenshots.
This article outlines essential Jenkins Pipeline best practices, including using the official Pipeline plugin, treating pipelines as code, organizing work into stages and nodes, leveraging parallel execution, handling inputs with timeouts, and preferring stash over archive for artifact management.
This article presents a comprehensive Jenkins‑based CI/CD solution that supports multiple branches, environments, projects, and programming languages, offering one‑click deployment and rollback, standardized naming conventions, configurable project mapping files, and a flexible multi‑environment workflow for automated and manual triggers.
This guide demonstrates how to use several Jenkins Pipeline plugins—including readJSON, withCredentials, checkout, publishHTML, input, BuildUser, and httpRequest—to handle JSON data, manage credentials, retrieve source code, publish HTML reports, interactively collect input, obtain build user information, and perform HTTP requests within a CI/CD workflow.
This article presents a collection of classic interview questions and answers on interface automation testing, covering topics such as Python coding, testing methodologies, and tools like Jenkins.
This guide shows how to use Jenkins to automate the packaging and deployment of a multi‑module microservice project, covering script preparation, job creation for each service, startup order recommendations, and one‑click deployment for rapid releases.
This article explains how to write Jenkinsfiles using Groovy syntax, demonstrating that beyond the built‑in DSL methods provided by Jenkins plugins, native Groovy can be employed for data manipulation and flow control, illustrated with multiple screenshot examples.
This guide explains why source‑code scanning is essential for security and compliance, describes manual Black Duck scanning steps, outlines integration goals, details required parameters, shows Jenkins configuration, and provides a complete Jenkinsfile pipeline script to automate Black Duck scans on each build.
This article examines how adversaries target Jenkins automation servers, detailing common discovery methods, exploitation techniques such as Java deserialization and mis‑configured authentication, and practical red‑team demonstrations of credential extraction, script‑console abuse, and malicious job creation to illustrate mitigation recommendations.
This article explains how to configure Jenkins Matrix projects to run parallel builds across multiple platforms and browsers using both scripted and declarative pipeline syntax, including label setup, axis generation, task parallelization, and user‑driven selection of combinations.
This guide explains how to configure Artifactory in Jenkins, set up server credentials, and use both a Jenkins Shared Library and a Jenkinsfile to automatically publish build artifacts to Artifactory as part of a CI/CD pipeline.
This guide explains how to build an automated interface‑testing pipeline using Jenkins, Ant, JMeter and Groovy, generate test reports, filter out false‑positive failures caused by network or environment issues, let users confirm them in Jenkins, and recalculate success, failure and false‑positive rates.
This tutorial explains how to install and configure Java 8, Ant, JUnit 4, JaCoCo, Jenkins, and SonarQube on Windows or Linux to create a fully functional CI server with code‑coverage and quality analysis for a modular Java project.
This article explains why Jenkins plugin downloads are slow for Chinese users, introduces the TUNA mirror service, details the signed update‑center.json mechanism, and provides a step‑by‑step solution—including configuration changes and open‑source tools—to achieve fast, reliable plugin installation.
This article explains how Chinese Jenkins users can overcome slow plugin download speeds by configuring the TUNA mirror, understanding the signed update‑center.json mechanism, and following a three‑step solution to quickly install plugins without relying on overseas servers.
To overcome the painfully slow Jenkins plugin downloads experienced by Chinese users due to overseas servers and signed update‑center.json verification, the community configured the TUNA mirror together with a custom update‑center URL and key adjustments via the open‑source mirror‑adapter repository, enabling rapid, cost‑free plugin installation (especially with Simplified Chinese plugin 1.0.10).
This guide explains how to achieve Jenkins high availability by deploying two Jenkins master nodes behind HAProxy, sharing Jenkins home via NFS, and configuring HAProxy load balancing and health checks, including detailed host setup, NFS and Jenkins installation steps, and test results.
