Understand technologies in context.

Knowledge articles

Capability Contracts

Explicit contracts make capabilities discoverable, composable, authorizable and verifiable across versions.

Open document ↗ Knowledge articles

Design as Code → Solution as Code

The versioned path connects intent, decisions, technical implementation, operations and evolution into a verifiable whole.

Open document ↗ Knowledge articles

Engineering Contracts

An Engineering Contract records requirements, goals, boundaries and decisions as a versioned technical definition.

Open document ↗ Knowledge articles

Infrastructure as Code

Infrastructure definitions are versioned, reviewed and executed reproducibly instead of being created only through undocumented manual changes.

Open document ↗ Knowledge articles

Kubernetes Platforms

Kubernetes provides declarative control of distributed workloads, but only becomes a complete platform with platform services, security, observability and operations.

Open document ↗ Knowledge articles

Universal Resource Model

A shared resource envelope connects identity, metadata, scope and references with extensible domain schemas.

Open document ↗ Ansible · Workshop overview · English

Ansible Workshop – Overview

This workshop covers the path from agentless automation fundamentals to secure, reviewable, operations-oriented team usage. Its structure follows the Kub…

Open document ↗ Certificate Authority · Workshop overview · English

Certificate Authority Workshop – Overview

This workshop covers the path from X.509 fundamentals to operational PKI and CA security models. Its structure follows the Kubernetes works…

Open document ↗ containerd · Workshop overview · English

containerd Workshop – Overview

This workshop covers the path from container runtime fundamentals to secure Kubernetes node operations with CRI, OCI, registry, snapshotter and Runtim…

Open document ↗ DNS · Workshop overview · English

DNS Workshop – Overview

This workshop covers the path from namespace fundamentals to secure operations with delegation, DNSSEC, resolver hardening, CoreDNS, Kubernetes DNS, monitori…

Open document ↗ Docker · Workshop overview · English

Docker Workshop – Overview

This workshop covers the path from fundamentals to advanced operations and security hardening. Its structure follows the Kubernetes workshop in the same w…

Open document ↗ Git · Workshop overview · English

Git Workshop – Overview

This workshop covers the path from fundamentals to advanced operations and security-oriented workflows. Its structure follows the Kubernetes workshop in the…

Open document ↗ GitOps · Workshop overview · English

GitOps Workshop – Overview

This workshop covers the path from fundamentals to advanced platform operations and security hardening. Its structure follows the Kubernetes workshop in t…

Open document ↗ Kubernetes · Workshop overview · English

Kubernetes Workshop – Overview

This workshop covers the path from container orchestration fundamentals to secure, production-oriented platform operations.

Open document ↗ OpenTofu · Workshop overview · English

OpenTofu Workshop – Overview

This workshop covers the path from fundamentals to advanced IaC operations and security hardening. Its structure follows the Kubernetes workshop in the…

Open document ↗ Shell Scripting · Workshop overview · English

Shell Scripting Workshop – Overview

This workshop covers the path from Bash execution fundamentals to safe, testable and operations-ready automation.

Open document ↗ SSH · Workshop overview · English

SSH Workshop – Overview

This workshop covers the path from the first safe OpenSSH login to bastion hosts, certificates, hardening, logging and incident response.

Open document ↗ Terraform · Workshop overview · English

Terraform Workshop – Overview

This workshop covers the path from infrastructure-as-code fundamentals to HCP Terraform, Terraform Enterprise, policy as code, state security and incid…

Open document ↗ TLS · Workshop overview · English

TLS Workshop – Overview

This workshop covers the path from TLS and X.509 fundamentals to ACME, mTLS, certificate monitoring, hardening and incident response.

Open document ↗ Ubuntu · Workshop overview · English

Ubuntu Workshop – Overview

This workshop covers the path from Linux and server fundamentals to platform operations, automation, hardening, monitoring and incident response.

Open document ↗ Vagrant · Workshop overview · English

Vagrant Workshop – Overview

This workshop covers the path from fundamentals to repeatable team labs, provider operations, provisioning, security review and incident response.

Open document ↗ Ansible · Technical documentation · English

Architecture: Ansible

This architecture reference explains Ansible as an agentless, inventory-based automation model. It separates control node, managed nodes, inventory, playbooks, modules, plugins, roles, collections, Vault, Runner, AWX, and execution envir…

Open document ↗ Ansible · Technical documentation · English

Best Practices: Ansible

This file summarizes proven working practices for Ansible projects. It separates technical recommendations, review rules, security requirements, and operational maturity.

Open document ↗ Ansible · Technical documentation · English

Command Reference: Ansible

This command reference describes important Ansible commands, safe usage, and common diagnostic flows. It does not replace --help; it explains usage in the workshop and operations model.

Open document ↗ Ansible · Technical documentation · English

Concepts: Ansible

This concept reference collects the terms used across all workshop levels. It is written as a practical reference, not marketing material.

Open document ↗ Ansible · Technical documentation · English

Curriculum: Ansible

This curriculum structures the Ansible workshop from entry level to advanced operations and security review. It is designed for multi-day trainings, internal enablement tracks, and self-study.

Open document ↗ Ansible · Technical documentation · English

Diagrams: Ansible

This file contains text-based diagrams for architecture, execution flow, role model, variable flow, secret flow, CI, and security review. Diagrams are written in Mermaid and stay versionable.

Open document ↗ Ansible · Technical documentation · English

Operations: Ansible

This operations reference describes how Ansible automation becomes plannable, observable, and reversible. It covers runbooks, evidence, rollouts, troubleshooting, and responsibilities.

Open document ↗ Ansible · Technical documentation · English

Remote and Cloud Environments: Ansible

This guide describes safe use of prepared remote hosts or cloud instances. Ansible configures target systems; cloud provisioning is separated from Terraform/OpenTofu or provider-native APIs.

Open document ↗ Ansible · Technical documentation · English

Security: Ansible

This security reference treats Ansible as a privileged change path. It focuses on scope control, least privilege, secrets, supply chain, logs, CI, and platform operation.

Open document ↗ Ansible · Technical documentation · English

Troubleshooting: Ansible

This troubleshooting reference groups common failure modes by source: configuration, inventory, connection, Python, privileges, variables, modules, idempotence, Vault, collections, and CI.

Open document ↗ Ansible · Technical documentation · English

Ubuntu in a VM: Ansible

This guide describes an Ubuntu VM as a reproducible Ansible lab environment. A VM is the preferred environment for realistic managed-node exercises.

Open document ↗ Ansible · Technical documentation · English

Ubuntu on Bare Metal: Ansible

This guide describes bare-metal Ubuntu as an Ansible lab. Bare metal is useful when hardware, services, networking, or performance should be studied realistically.

Open document ↗ Ansible · Technical documentation · English

Ubuntu on WSL: Ansible

This guide prepares an Ubuntu WSL environment as an Ansible control node. WSL is suitable for CLI, inventory, playbook, role, and many local lab tasks.

Open document ↗ Certificate Authority · Technical documentation · English

Architecture: Certificate Authority

PKI Trust Model is treated as a reviewable PKI building block. The important point is not merely that a command creates a certificate, but that purpose, extensions, trust chain, validity, key usage, and cleanup are understandable.

Open document ↗ Certificate Authority · Technical documentation · English

Best Practices: Certificate Authority

PKI Design is treated as a reviewable PKI building block. The important point is not merely that a command creates a certificate, but that purpose, extensions, trust chain, validity, key usage, and cleanup are understandable.

Open document ↗