21 October 2020

#Jenkins

#Jenkins
Topic Sub-Topics (comma separated) Basic Intermediate Advanced Expert
Jenkins Fundamentals Introduction, Features, Advantages, Jenkins Architecture, Master-Agent Concept ✅
Installation & Setup System Requirements, Installing Jenkins (Windows/Linux), Initial Setup, Web UI Basics, Plugins Setup ✅ ✅
Jenkins Jobs Freestyle Jobs, Build Triggers, Build Steps, Build Post-actions, Parameterized Jobs ✅ ✅
Build Management Source Code Integration (Git, SVN), Build Tools (Maven, Gradle, Ant), Poll SCM, Scheduled Builds ✅ ✅
Jenkins Pipeline Pipeline as Code, Declarative Pipeline, Scripted Pipeline, Pipeline Syntax, Stages & Steps ✅ ✅
Plugins & Integrations Plugin Management, Popular Plugins (Git, Email, JUnit, Slack), External Tool Integration ✅ ✅
Distributed Builds Master-Slave Setup, Node Configuration, Labels, Distributed Builds ✅ ✅
Security & Access Control User Management, Matrix-based Security, Role-based Access Control, Credentials Management ✅ ✅ ✅
CI/CD Concepts Continuous Integration, Continuous Delivery, Continuous Deployment, Best Practices ✅ ✅ ✅ ✅
Jenkinsfile Basics, Syntax, Declarative vs Scripted, Groovy Scripting, Advanced Jenkinsfile Usage ✅ ✅
Monitoring & Logging Build Logs, Console Output, System Logs, Jenkins Monitoring Tools ✅ ✅ ✅
Backup & Restore Backup Jenkins Configuration, Restoring Jenkins, Best Practices ✅ ✅ ✅
Notifications Email Notifications, Slack/MS Teams Integration, Custom Notification Scripts ✅ ✅ ✅
Integration with DevOps Tools GitHub/GitLab Integration, Docker, Kubernetes, Ansible, Terraform ✅ ✅ ✅
Scaling Jenkins Scaling Agents, Cloud Agents (AWS, Azure, GCP), Kubernetes-based Jenkins, Load Balancing ✅ ✅
Jenkins Security Advanced Securing Jenkins Master/Agents, Hardening, SSL/TLS, Security Best Practices ✅ ✅
Jenkins Administration Upgrading Jenkins, Managing Plugins, System Maintenance, Troubleshooting ✅ ✅ ✅
Advanced Pipelines Shared Libraries, Parallel Execution, Dynamic Agent Allocation, Pipeline Optimization ✅ ✅
Jenkins in Containers Running Jenkins in Docker, Docker Agents, Jenkins on Kubernetes, Helm Charts ✅ ✅
Enterprise Jenkins Jenkins Operations Center, High Availability, Enterprise Scaling, Governance ✅

Basic

Jenkins Fundamentals

  1. What is Jenkins and why is it used?
  2. Explain the difference between Jenkins and other CI tools.
  3. What are the advantages of Jenkins?
  4. Describe the Jenkins architecture.
  5. What is a Jenkins master?
  6. What is a Jenkins agent (slave)?
  7. What is a Jenkins job?
  8. What are the default Jenkins ports?
  9. What are common Jenkins use cases?
  10. Difference between Continuous Integration and Continuous Delivery.

Installation & Setup

  1. How do you install Jenkins on Windows?
  2. How do you install Jenkins on Linux?
  3. What is required to install Jenkins?
  4. Where are Jenkins configuration files stored?
  5. How to start/stop Jenkins service?
  6. What is the Jenkins home directory?
  7. How do you access Jenkins after installation?
  8. What is the purpose of the initial admin password?
  9. How do you change Jenkins home directory?
  10. What are Jenkins system requirements?

Jobs & Builds

  1. What is a freestyle job in Jenkins?
  2. How do you create a job in Jenkins?
  3. What are build triggers in Jenkins?
  4. How to build a project periodically?
  5. How do you set environment variables in Jenkins?
  6. Difference between build now and build with parameters.
  7. How to clone an existing job?
  8. What is the difference between upstream and downstream jobs?
  9. How do you delete a Jenkins job?
  10. What is a parameterized build?

Source Code & Tools

  1. How do you integrate Jenkins with Git?
  2. How do you integrate Jenkins with SVN?
  3. What is the purpose of SCM polling?
  4. How to configure GitHub webhooks with Jenkins?
  5. Difference between Poll SCM and Build Triggers.
  6. What build tools are supported by Jenkins?
  7. How to integrate Maven with Jenkins?
  8. How to integrate Gradle with Jenkins?
  9. How to configure Ant in Jenkins?
  10. How to check Jenkins build logs?

Plugins & Notifications

  1. What is a Jenkins plugin?
  2. How to install a plugin?
  3. How to uninstall a plugin?
  4. What is the Git plugin in Jenkins?
  5. What is the Pipeline plugin?
  6. What is the Email-ext plugin?
  7. How do you send email notifications in Jenkins?
  8. How to configure Slack notifications?
  9. How to update plugins in Jenkins?
  10. What are the risks of outdated plugins?

Intermediate

Jenkins Pipelines

  1. What is Jenkins Pipeline?
  2. Difference between Declarative and Scripted Pipeline.
  3. What is a Jenkinsfile?
  4. Where do you store Jenkinsfile?
  5. What is the syntax for pipeline stages?
  6. How do you create parameters in pipelines?
  7. Difference between agent any and agent none.
  8. How to run steps in parallel in a pipeline?
  9. How do you define environment variables in a pipeline?
  10. How to use post actions in a pipeline?

Build Management

  1. How to configure Maven build in Jenkins?
  2. How to configure Gradle build in Jenkins?
  3. How to configure Docker build in Jenkins?
  4. How to archive artifacts in Jenkins?
  5. What is fingerprinting in Jenkins?
  6. How to use Jenkins with SonarQube?
  7. How to integrate Jenkins with Nexus/Artifactory?
  8. What is JUnit plugin used for?
  9. How to publish test reports in Jenkins?
  10. How do you configure code coverage in Jenkins?

Distributed Builds

  1. What is Jenkins Master-Slave architecture?
  2. How do you configure a Jenkins agent?
  3. How to connect an agent to Jenkins?
  4. Difference between static and dynamic agents.
  5. How to use agent labels in Jenkins?
  6. What is a build executor?
  7. How to assign jobs to specific agents?
  8. How do you monitor agent health?
  9. What is the purpose of SSH agent connection?
  10. How to remove an agent from Jenkins?

Security & Access

  1. How do you create Jenkins users?
  2. What is matrix-based security in Jenkins?
  3. What is role-based access control (RBAC)?
  4. Difference between admin and normal user.
  5. How to configure LDAP in Jenkins?
  6. How to manage credentials in Jenkins?
  7. What is secret text in Jenkins credentials?
  8. How to secure Jenkins web interface?
  9. What is CSRF protection in Jenkins?
  10. How to enable HTTPS in Jenkins?

Notifications & Reports

  1. How to configure email notifications with Gmail?
  2. How to integrate Slack with Jenkins?
  3. How to integrate MS Teams with Jenkins?
  4. What is a webhook in Jenkins?
  5. How to send custom build messages?
  6. How to configure notifications per job?
  7. How do you monitor Jenkins job history?
  8. How do you generate trend reports?
  9. How to configure Jenkins system logs?
  10. What are Jenkins Blue Ocean visualizations?

Advanced

Advanced Pipelines

  1. How do you use shared libraries in Jenkins?
  2. How to use Groovy scripting in Jenkins pipelines?
  3. Difference between declarative pipeline post section and scripted pipeline.
  4. How to define dynamic agents in a pipeline?
  5. How to call another job from a pipeline?
  6. How to handle pipeline failures?
  7. What is retry in Jenkins pipeline?
  8. What is when condition in Jenkins?
  9. How to skip stages in pipeline?
  10. How to use credentials in pipelines?

CI/CD Integration

  1. How to configure Jenkins for CI/CD?
  2. How to deploy artifacts to servers from Jenkins?
  3. How to integrate Jenkins with Docker?
  4. How to build and push Docker images from Jenkins?
  5. How to integrate Jenkins with Kubernetes?
  6. How to trigger Kubernetes deployments via Jenkins?
  7. How to integrate Jenkins with Ansible?
  8. How to integrate Jenkins with Terraform?
  9. How to configure Blue/Green deployments in Jenkins?
  10. How to configure Canary deployments in Jenkins?

Monitoring & Logs

  1. How to monitor Jenkins builds with Prometheus?
  2. How to integrate Jenkins with Grafana?
  3. How to view pipeline logs in Jenkins?
  4. How to debug pipeline issues?
  5. What is Jenkins Log Recorder?
  6. How to configure system logs in Jenkins?
  7. How to set log levels in Jenkins?
  8. How to monitor Jenkins health?
  9. How to check Jenkins performance metrics?
  10. How to track job execution time?

Security Advanced

  1. How to configure RBAC in Jenkins?
  2. How to restrict job access to specific users?
  3. How to secure Jenkins agents?
  4. How to use credentials binding in Jenkins?
  5. What is SSH key-based authentication in Jenkins?
  6. How to rotate credentials in Jenkins?
  7. How to integrate Jenkins with Vault?
  8. How to audit Jenkins user activity?
  9. How to secure Jenkins REST API?
  10. How to protect Jenkins from plugin vulnerabilities?

Administration

  1. How to back up Jenkins configuration?
  2. How to restore Jenkins from backup?
  3. How to upgrade Jenkins safely?
  4. How to migrate Jenkins to another server?
  5. How to clone Jenkins jobs between instances?
  6. How to manage Jenkins disk space?
  7. How to clean up old builds in Jenkins?
  8. How to manage Jenkins updates?
  9. How to troubleshoot Jenkins issues?
  10. How to scale Jenkins for large organizations?

Expert

Jenkins Scaling & High Availability

  1. How do you scale Jenkins horizontally?
  2. What is Jenkins Operations Center (CloudBees)?
  3. How to set up Jenkins in HA mode?
  4. How to use Kubernetes for scaling Jenkins?
  5. How do you set up Jenkins agents on the cloud?
  6. What are ephemeral agents in Jenkins?
  7. How do you implement load balancing for Jenkins?
  8. How to configure Jenkins with AWS EC2 agents?
  9. How to configure Jenkins with Azure agents?
  10. How to configure Jenkins with GCP agents?

Enterprise Jenkins

  1. What is the difference between open-source Jenkins and CloudBees Jenkins?
  2. How to manage Jenkins in large enterprises?
  3. What is Jenkins governance model?
  4. How to handle Jenkins multi-tenancy?
  5. What is Jenkins configuration as code (JCasC)?
  6. How to use Jenkins with Helm charts?
  7. How to deploy Jenkins on Kubernetes clusters?
  8. How to configure Jenkins shared agents in enterprise?
  9. How to manage Jenkins pipelines at scale?
  10. What are Jenkins global libraries?

Security & Compliance

  1. How to enforce compliance in Jenkins builds?
  2. How to integrate Jenkins with security scanners?
  3. How to configure Jenkins for PCI-DSS compliance?
  4. How to integrate Jenkins with SonarQube for code quality?
  5. How to integrate Jenkins with OWASP ZAP?
  6. How to perform SAST with Jenkins?
  7. How to perform DAST with Jenkins?
  8. How to manage secrets in Jenkins pipelines?
  9. How to integrate Jenkins with HashiCorp Vault?
  10. How to implement Zero Trust in Jenkins?

Performance Tuning

  1. How to improve Jenkins pipeline performance?
  2. How to optimize Jenkins for large builds?
  3. How to reduce build queue time?
  4. How to tune Jenkins JVM settings?
  5. How to optimize Jenkins agent performance?
  6. How to improve Jenkins UI responsiveness?
  7. How to troubleshoot Jenkins slowness?
  8. How to reduce plugin overhead in Jenkins?
  9. How to optimize Jenkins garbage collection?
  10. How to use Jenkins monitoring plugins?

Modern DevOps Integration

  1. How to integrate Jenkins with GitOps workflows?
  2. How to integrate Jenkins with ArgoCD?
  3. How to use Jenkins with Service Mesh (Istio, Linkerd)?
  4. How to configure Jenkins for multi-cloud deployments?
  5. How to use Jenkins with Spinnaker?
  6. How to integrate Jenkins with CI/CD as code tools?
  7. How to extend Jenkins with custom plugins?
  8. How to run Jenkins pipelines in containers?
  9. How to combine Jenkins with GitHub Actions?
  10. What is the future of Jenkins in DevOps?
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