Automating Jenkins Job Configuration: Job DSL, Multibranch, Job Generator, and JJB
Manually creating many Jenkins jobs is slow and error-prone. This guide compares the main automation options and shows practical jobs-as-code examples for repeatable setup.
Install Jenkins with Docker: Persistent Setup, Port Mapping, and Logs
Learn how to run Jenkins in Docker with correct port mapping, persistent storage, and operational commands. This updated guide keeps the original workflow but adds modern, production-minded practices.
Jenkins at Scale: Practical References and Admin Cheatsheet
This revised guide upgrades a short 2015 Jenkins link post into an operations-ready reference for teams running Jenkins at scale. It preserves the original links and adds a workflow diagram, comparison table, and practical API/CLI examples.
Jenkins Email-ext: Add Full or Regex-Filtered Build Logs to Email Body
Learn how to include Jenkins build logs directly in notification emails using email-ext tokens. This revised guide covers full-log and regex-filtered approaches for freestyle jobs and Pipeline templates.
Jenkins Backup and Restore Runbook: ThinBackup, Filesystem Archives, and Recovery Steps
A practical Jenkins backup and restore guide for DevOps teams, covering what to back up, strategy trade-offs, and step-by-step command examples. Includes a workflow diagram and a recovery checklist you can operationalize.
.NET Build and Release Training: Curriculum, Toolchain, Workflow, and Enrollment
A structured, engineer-friendly rewrite of the original .NET Build and Release course page. Review objectives, tool coverage, CI/CD workflow, prerequisites, fees, and key links in one place.
Jenkins Email-ext: Include Build Logs in Email Body (Full Log or Regex-Filtered)
Learn how to configure Jenkins Email Extension tokens to send either the full build log or targeted regex matches directly in the email body. This guide covers practical token examples, workflow, and pitfalls to avoid noisy or oversized alerts.
Fix Jenkins java.lang.OutOfMemoryError: PermGen Space (Controller, Agents, and Build Tools)
Jenkins PermGen errors are usually caused by JVM memory limits set in the wrong place. This guide shows where to configure memory flags for controllers, agents, and build tools, plus how to handle Java 8+ where PermGen was replaced.
Jenkins Troubleshooting Guide: Fast Triage, Log Analysis, and Common Failure Fixes
A practical Jenkins troubleshooting guide for DevOps teams: find the right logs first, separate controller vs. agent vs. job failures, and resolve common outage patterns quickly.
Jenkins Build and Release Training Blueprint: Git/SVN with Maven and Ant
This revised guide turns a legacy training announcement into a practical learning blueprint for build-and-release engineering. It maps the Jenkins workflow, compares core tools, and includes realistic command and pipeline examples.
Jenkins Interview Questions, Answered: CI, APIs, Installation, Backups, and Essential Plugins
This revised guide turns common Jenkins interview prompts into practical answers you can explain with confidence. It covers CI fundamentals, API usage, setup on Ubuntu and RHEL-like systems, backup strategy, and key plugins.
Jenkins Training Guide: Curriculum, Labs, and Practical CI/CD Setup
This revised guide turns a legacy Jenkins training announcement into a practical, engineer-focused course blueprint. It includes learning goals, workshop formats, CI workflow, and hands-on Jenkins examples.
Jenkins Command-Line Authentication and Job Triggers with cURL and Wget
Learn practical ways to authenticate scripted requests to Jenkins and trigger jobs from the command line using cURL and wget. This revision also covers CSRF crumb handling, version caveats, and troubleshooting.
Jenkins CLI Reference: Setup, Authentication, and Practical Command Examples
Jenkins CLI helps you automate administrative and build operations from the terminal. This updated reference covers setup, authentication choices, and high-value commands with copy-ready examples.
Jenkins CLI Guide: Download, Authenticate, and Automate Jobs from the Terminal
Learn how to use Jenkins CLI to run builds, administer jobs, and script Jenkins operations without the web UI. This updated guide covers setup, authentication, command discovery, and practical examples.
Top 10 CI/CD Tools in 2026: Features, Pros, Cons & Comparison
Introduction In 2026, Continuous Integration (CI) and Continuous Deployment (CD) tools have become critical components of modern software development workflows. These tools automate key aspects of software…
Top 50 Azure DevOps interview questions and answers
1) What is DevOps? DevOps is Development and Operation’s Collaboration, it’s a Union of 3Ps – Process, People and Product (working Product) that enable continuous integration and…
Top 5 Open Source Release Management Software
Introduction Release management tools help teams plan and manage the handover of code, changes, and customizations from the application team through packaging and deployment across testing environments…
Jenkins Tutorials: Installing Jenkins on Tomcat
We are going to discuss Installing Jenkins today. We will be focusing on installing it on Tomcat server as a servlet, and tomcat will act as a…
Jenkins Tutorials: Install Jenkins as Docker Container
In the Previous Post we Learned How to install Jenkins as Servlet on Tomcat server. In this post we will try even simple and easy way to…
Top Jenkins interview questions and answers
1. What is Jenkins? Jenkins is an open-source automation server that helps automate various aspects of software development, such as building, testing, and deploying code. It allows…
Jenkins Tutorial: Install Jenkins on Ubuntu
In this tutorial we are going to install Jenkins on Ubuntu operating system. Ubuntu is another debian based operating system – open sourced and highly loved by…
What is Jenkins and How does it work? An Overview and Its Use Cases
History & Origin of Jenkins The Jenkins project was started in 2004 (originally called Hudson) by Kohsuke Kawaguchi, while he worked for Sun Microsystems. Kohsuke was a…
Top 50 TeamCity interview questions and answers
1) Is TeamCity a CI or CD? TeamCity is a general-purpose CI/CD solution that allows the most flexibility for all sorts of workflows and development practices. The…
Top 50 Cobertura interview questions and answers
1) Where Does The Name “cobertura” Come From? “Cobertura” is the Spanish and Portuguese word for “coverage.” We were trying to avoid acronyms and coffee references. It’s…
Top 50 Packer interview questions and answers
Q. Is it possible to feed packer with an ansible encrypted file? I’m attempting to use packer from an ansible playbook in order to use an ansible-vault…
Top 50 Artifactory interview questions and answers
Q1. Query Language used in Artifactory is __. Choose the correct option from below lists(1)AQL(2)NoSQL(3)None of the Mentioned(4)SQL Answer:-(1)AQL Q2. Term which refers to the degree of…
Jenkins Backup and Restore using ThinBakcup
Step 1 – Install ThinBackup Plugins Step 2 – Configure ThinBackup Plugins Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about…
How to Login to Jenkins using commands and API?
Working commands for Login ##Command to know the status of Build? ##Trigger a Jenkins Job without authentication ##Trigger a Jenkins Job with authentication ##Running commands against a…