Puppet

1. Architecture

   Agent and server architecture, catalog compilation and the agent run.

2. Puppet Language

   Language syntax, resource declarations, expressions and data types.

3. Resources and Types

   Resource types, providers, attributes and relationships.

4. Classes and Defined Types

   Classes, defined types and parameters.

5. Variables and Facts

   Variables, scope and facts from Facter.

6. Modules

   Module structure, layout and reuse.

7. Hiera

   Hierarchical data lookup and configuration data separation.

8. Environments

   Environments for separating code and testing changes.

9. Templates

   EPP and ERB templates.

10. Catalog Compilation and Ordering

    Resource relationships, ordering and metaparameters.

11. Certificates and SSL

    Agent certificates, CA and signing.

12. Data Types

    Puppet data types such as strings, numbers, arrays, hashes and the type system.

13. Conditional Statements

    if, unless, case and selector expressions in the Puppet language.

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

Source: endoflife.date

• OpenTelemetry
• Packer
• PagerDuty
• Podman
• Prometheus
• Pulumi
• Renovate
• Semgrep
• Sentry
• Snyk
• SonarQube
• Splunk