Jenkins

1. Getting Started

   Pipeline basics, controller and agent model, and first Pipeline.

2. Pipeline

   Declarative and scripted Pipeline, stages and steps.

3. Jenkinsfile

   Defining Pipeline in source control, environment variables, credentials and parameters.

4. Pipeline Syntax

   Declarative directives, agent, stages, post conditions and scripted syntax.

5. Shared Libraries

   Reusing Pipeline code across projects.

6. Multibranch Pipelines

   Automatic Pipeline creation per branch and pull request.

7. Agents and Nodes

   Distributed builds, inbound and SSH agents, labels and executors.

8. Credentials

   Storing and using secrets in jobs.

9. Plugins

   Installing and managing plugins and updates.

10. Security

    Authentication, authorization, CSRF, agent-to-controller security and hardening.

11. System Administration

    Backup, monitoring, reverse proxies, JVM and configuration as code.

12. Scaling Jenkins

    Architecting for scale, controller sizing, and distributed builds.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

Source: endoflife.date