Generate Jenkins Jobs at Scale with Job DSL Seed Jobs
Jenkins jobs are usually created manually, but for large-scale deployments or dynamic environments, this is unsustainable.
Jenkins Articles
78 articles
Run Jenkins Build Agents as Kubernetes Pods
Jenkins agents running as Kubernetes pods are ephemeral, on-demand compute resources that spin up and down as needed to execute build jobs, dramatically.
Deploy Helm Charts from Jenkins CI Pipelines
Jenkins, a ubiquitous automation server, often finds itself at the nexus of modern software delivery, and one of its most common integration points is w.
Authenticate Jenkins Users with LDAP and Active Directory
Jenkins users are authenticated against your existing LDAP or Active Directory infrastructure, meaning you don't have to manage separate credentials for.
Send Email Notifications from Jenkins Build Pipelines
Send Email Notifications from Jenkins Build Pipelines — practical guide covering jenkins setup, configuration, and troubleshooting with real-world examp...
Design a Scalable Jenkins Master-Agent Architecture
A Jenkins master-agent setup doesn't scale by adding more agents; it scales by distributing the workload intelligently across the agents you already hav.
Fix Jenkins Master Restarting Loop
The Jenkins master is getting stuck in a restart loop because it's failing to acquire a lease on the Jenkins home directory, preventing it from starting.
Run Matrix Builds Across Multiple Environments in Jenkins
Run Matrix Builds Across Multiple Environments in Jenkins — practical guide covering jenkins setup, configuration, and troubleshooting with real-world e...
Build Monorepos Efficiently with Jenkins Pipeline Path Filtering
The most surprising thing about monorepos is how much faster they can make your development cycle, provided you don't build everything every time.
Set Up Jenkins Multibranch Pipelines for Feature Branches
Jenkins' multibranch pipelines are designed to automatically discover and build branches in your SCM that contain Jenkinsfile, letting you manage pipeli.
Scan Dependencies for CVEs in Jenkins with OWASP Dependency-Check
The most surprising thing about scanning dependencies for CVEs is that you're not actually finding vulnerabilities, you're finding known advisories that.
Speed Up Jenkins Builds by Running Stages in Parallel
Speed Up Jenkins Builds by Running Stages in Parallel — practical guide covering jenkins setup, configuration, and troubleshooting with real-world examp...
Add Parameters to Jenkins Jobs for Dynamic Builds
Add Parameters to Jenkins Jobs for Dynamic Builds — practical guide covering jenkins setup, configuration, and troubleshooting with real-world examples.
Jenkins Pipeline as Code: Best Practices for Maintainability
Jenkins Pipeline as Code, or more commonly known as Jenkinsfile, is a powerful way to define your CI/CD pipelines as code, stored alongside your applica.
Write Jenkins Declarative Pipelines from Scratch
Jenkins Declarative Pipelines from Scratch Declarative Pipelines are the most surprising way to write Jenkins pipelines because they hide imperative log.
Pass and Use Environment Variables in Jenkins Pipelines
Jenkins pipelines can be surprisingly tricky when it comes to environment variables, often leading to confusion about where they're defined, how they're.
Replay a Failed Jenkins Build with Modified Pipeline Code
Replay a Failed Jenkins Build with Modified Pipeline Code — practical guide covering jenkins setup, configuration, and troubleshooting with real-world e...
Safely Update Jenkins Plugins Without Breaking Pipelines
Safely Update Jenkins Plugins Without Breaking Pipelines — practical guide covering jenkins setup, configuration, and troubleshooting with real-world ex...
Handle Jenkins Pipeline Post Sections for Success, Failure, and Cleanup
Jenkins pipelines offer a powerful way to automate complex workflows, and the post section is where you define actions that run after the main pipeline .
Fix Jenkins Builds Stuck in the Queue
Your Jenkins builds are stuck in the queue because the Jenkins controller isn't able to dispatch them to available agents, usually due to resource conte.
Implement Role-Based Access Control in Jenkins with Matrix Auth
Jenkins' Matrix-based security is a surprisingly flexible, yet often misunderstood, way to manage user permissions that goes far beyond simple administr.
Auto-Generate Semantic Version Tags in Jenkins Pipelines
Jenkins pipelines can automatically generate semantic version tags, but it's not as simple as just bumping a number; it's about creating a predictable, .
Build and Share Jenkins Pipeline Logic with Shared Libraries
Jenkins Shared Libraries let you reuse pipeline code across multiple Jenkins jobs, keeping your CI/CD logic DRY Don't Repeat Yourself and maintainable.
Send Jenkins Build Results to Slack Channels
Send Jenkins Build Results to Slack Channels. Jenkins jobs are spitting out build results to Slack channels. // Jenkinsfile pipeline { agent any stages {
Run SonarQube Code Analysis from Jenkins Pipelines
SonarQube analysis is actually a two-part process: a scanner runs locally on your build agent, and then it uploads its findings to the SonarQube server .
Transfer Build Files Between Jenkins Pipeline Stages
Jenkins can get pretty finicky about what state it carries between pipeline stages. If you're trying to pass build artifacts from one stage to the next,.
Plan and Apply Terraform Safely from Jenkins Pipelines
Terraform in Jenkins is a powerful combination for IaC, but it’s easy to accidentally break your infrastructure or get stuck in a state of perpetual dri.
Publish JUnit and Surefire Test Reports in Jenkins
Publishing JUnit and Surefire test reports in Jenkins is how you get your automated test results visualized and actionable within your CI/CD pipeline.
Scan Container Images for Vulnerabilities with Trivy in Jenkins
Trivy is a simple and comprehensive vulnerability scanner that you can integrate into your CI/CD pipeline to scan container images for vulnerabilities.
Conditionally Run Jenkins Pipeline Stages with when Directives
Conditionally Run Jenkins Pipeline Stages with when Directives — practical guide covering jenkins setup, configuration, and troubleshooting with real-wo...
Clean Up Jenkins Workspace After Each Build
Jenkins workspaces can balloon to hundreds of gigabytes, impacting disk space and build times. Here's how to keep them tidy:
Fix Jenkins JUnit Test Results Not Found After Build
Jenkins is failing to archive JUnit test results because the build process is not generating the expected XML files in the location Jenkins is configure.
Wait for Shared Resources in Jenkins with Lockable Resources
Jenkins jobs often need exclusive access to certain resources, like a specific test environment, a physical device, or a database instance.
Fix Maven Compilation Failures in Jenkins Pipelines
The core issue is that Jenkins, when executing a Maven build, is unable to successfully compile your Java code, and the specific failure points to a pro.
Fix Jenkins "No Such DSL Method" Pipeline Errors
The Jenkins No Such DSL Method error means the Jenkins Groovy engine encountered a method call in your Jenkinsfile that it doesn't recognize.
Fix Jenkins Node Offline Errors During Build
Fix Jenkins Node Offline Errors During Build. Jenkins is failing to connect to one or more of its agent nodes, preventing builds from running. 1
Fix Jenkins OutOfMemoryError During Build
The Jenkins controller's Java Virtual Machine JVM ran out of heap memory, preventing it from allocating further objects and causing the build process to.
Fix Jenkins Plugin Dependency Installation Failures
Fix Jenkins Plugin Dependency Installation Failures. Jenkins couldn't install a plugin because a required dependency was unavailable or incompatible. 1
Fix Jenkins Plugin Incompatibilities After Updates
Jenkins jobs are failing because a core component, the Jenkins controller, cannot communicate with certain plugins due to version mismatches introduced .
Debug Jenkins 500 Internal Server Error Responses
Jenkins is throwing 500 Internal Server Errors because the web server hosting Jenkins is failing to process incoming requests due to an unhandled except.
Fix Jenkins SCM Checkout Failures for Git and SVN
Jenkins choked on pulling code from your Git or SVN repository, leaving you with a broken build. This isn't just a minor hiccup; it means the core CI/CD.
Trigger Jenkins Agent Shutdown via Pipeline
Jenkins agents can be instructed to shut themselves down from within a pipeline, but it's not as simple as just calling a shutdown command.
Fix Jenkins Agent Going Offline Mid-Build
The Jenkins agent went offline mid-build because the connection between the Jenkins controller and the agent process was unexpectedly terminated, preven.
Fix Jenkins SSL Certificate Verification Failures
Jenkins is failing to verify SSL certificates because the system's trusted certificate store doesn't contain the certificate authority CA that signed th.
Fix Jenkins Temporary Space Monitor Warnings
Jenkins is failing to write to its temporary directory because the underlying filesystem is full. Here's why that's a problem: Jenkins uses temporary fi.
Debug Jenkins Builds Marked Unstable Due to Test Failures
Jenkins builds are marked "unstable" instead of "failed" when tests fail, and this distinction is crucial because it signals a recoverable issue, not a .
Diagnose Jenkins Jobs Waiting for Available Executors
Jenkins jobs are stuck in a "waiting for available executors" state because the Jenkins controller doesn't have any free build agents executors to run t.
Debug Failed Webhook Deliveries Triggering Jenkins Jobs
A webhook delivery failure means Jenkins couldn't acknowledge a notification from an external service, often because the service couldn't reach Jenkins .
Fix Jenkins Build Aborted by User or Timeout
Jenkins build aborted because a user manually clicked "Cancel" or because the build exceeded its configured timeout limit.
Debug Jenkins Agent Disconnected During Build
Jenkins agent disconnected during build because the agent process crashed unexpectedly, leaving the Jenkins controller unable to communicate with it.
Fix Jenkins "Artifact Not Found" After Build
The Jenkins build agent failed to upload build artifacts to the Jenkins controller because the controller rejected the upload request due to an invalid .
Fix Jenkins Artifact Upload Failures
The Jenkins agent failed to upload build artifacts to the Jenkins controller because the agent's disk space was exhausted.
Diagnose and Fix Jenkins Build Queue Blocked
Diagnose and Fix Jenkins Build Queue Blocked — practical guide covering jenkins setup, configuration, and troubleshooting with real-world examples.
Fix Jenkins Build Timed Out and Configure Timeout Policies
Jenkins build timed out because the Jenkins agent failed to connect to the Jenkins controller within the configured timeout period, indicating a communi.
Fix Jenkins "Credential Not Found" Pipeline Errors
Jenkins failed to retrieve the specified credentials, halting your pipeline execution because the credential store is inaccessible or the credential its.
Manage Jenkins Disk Space to Prevent Build Failures
Manage Jenkins Disk Space to Prevent Build Failures. Jenkins is silently consuming disk space, and your builds are starting to fail with java. io
Debug Docker Build Failures in Jenkins Pipelines
It's not your Dockerfile that's broken, it's the environment it's running in. Here’s a Jenkins pipeline failing during a docker build step, and what’s a.
Fix Docker Login Failures in Jenkins CI Pipelines
The Jenkins agent is failing to authenticate with your Docker registry because the credentials it's trying to use are either missing, invalid, or not pr.
Fix Jenkins Executors Being Held by Stale Builds
Jenkins executors are hanging because the Jenkins master is unable to reclaim agent connections after builds on those agents have already finished.
Fix Gradle Build Failures in Jenkins Pipelines
The Gradle build is failing in Jenkins because the Jenkins agent is unable to acquire the necessary lock on the Gradle daemon, preventing it from execut.
Run Ansible Playbooks from Jenkins Declarative Pipelines
Jenkins Declarative Pipelines can execute Ansible Playbooks, but they often fail due to a surprisingly simple misconfiguration of the Ansible installati.
Archive Build Artifacts in Jenkins Pipelines
Jenkins pipelines often fail to archive build artifacts because the archiveArtifacts step is either misconfigured or not present, leading to lost build .
Back Up and Restore the Jenkins Home Directory
The Jenkins home directory is the beating heart of your Jenkins instance, containing all your build configurations, credentials, plugins, and build hist.
Set Up Jenkins Blue Ocean for Visual Pipeline Editing
Blue Ocean's primary innovation isn't just a prettier UI; it's how it fundamentally alters the perception of pipeline state from a static, text-based de.
Trigger Jenkins Jobs from Upstream Build Completion
Trigger Jenkins Jobs from Upstream Build Completion — practical guide covering jenkins setup, configuration, and troubleshooting with real-world examples.
Configure Jenkins as Code with JCasC YAML Files
Jenkins Configuration as Code JCasC lets you manage your Jenkins setup using YAML files, treating your entire Jenkins configuration as code.
Store and Use Credentials Securely in Jenkins Pipelines
Jenkins credential management is often a source of surprising fragility, but the real shocker is how easily a seemingly minor misconfiguration can grant.
Fix Jenkins Plugin Deprecation Warnings After Upgrades
The Jenkins controller's core component is failing to send metrics to the Prometheus exporter due to a mismatch in the expected metric format, caused by.
Scale Jenkins with Distributed Agent Builds
Jenkins agents are the workhorses that actually run your builds, and scaling them is how you stop waiting for builds to finish.
Build Docker Images in Jenkins Declarative Pipelines
Jenkins Declarative Pipelines can build Docker images, but the magic isn't in the pipeline syntax itself; it's in how Jenkins orchestrates Docker comman.
Spin Up Test Environments with Docker Compose in Jenkins
When you spin up test environments with Docker Compose in Jenkins, the most surprising truth is that the ephemeral nature of these environments is their.
Run Docker Inside Jenkins Docker Agent Containers
Docker inside Docker DinD on a Jenkins agent is a surprisingly fragile beast, and the common pitfall is that the Docker daemon inside the agent containe.
Speed Up Jenkins Git Checkouts with Shallow Cloning
Speed Up Jenkins Git Checkouts with Shallow Cloning — practical guide covering jenkins setup, configuration, and troubleshooting with real-world examples.
Trigger Jenkins Jobs Automatically from GitHub Webhooks
GitHub webhooks are a surprisingly brittle way to trigger Jenkins jobs. Here's a Jenkins setup that reacts to GitHub pushes:
Run Groovy Scripts in Jenkins for Automation and Debugging
Groovy scripts let you do way more than just click buttons in Jenkins. Jenkins itself is built on Java, but it exposes a powerful scripting interface vi.
Set Up Jenkins High Availability with Active-Active Clustering
Jenkins high availability is usually achieved by running multiple Jenkins masters, each with its own set of agents, behind a load balancer.
Tune Jenkins JVM Heap Size to Prevent OutOfMemoryError
Jenkins is running out of Java heap space, causing OutOfMemoryErrors and instability. The fundamental issue is that the Java Virtual Machine JVM running.
Fix Jenkins JNLP Agent Connection Failed Errors
The Jenkins JNLP agent failed to connect because the Jenkins controller, acting as the server, could not establish a persistent WebSocket or TCP connect.