98 courses across 15 domains

Build a controlled internal GenAI workspace using self-hosted components, access controls and open models.

Serve, optimize and operate open language models for enterprise workloads.

Design retrieval-augmented assistants grounded in internal documents and databases.

Create tool-using agents that automate repeatable operational workflows.

Automate approvals, notifications, APIs and data flows with a self-hosted workflow platform.

Structure reliable prompts, evaluation patterns and reusable prompt workflows.

Threat-model and harden LLM applications, RAG pipelines, agents and AI APIs.

Establish policies, controls, evaluation and lifecycle governance for enterprise AI.

Automate configuration, deployment and repetitive operations with reusable playbooks.

Build scalable automation projects with roles, inventories, collections and testing.

Provision repeatable infrastructure through declarative, version-controlled code.

Manage infrastructure and platform changes through pull requests and automated reconciliation.

Standardize provisioning, inventory, patching and lifecycle operations across Linux fleets.

Combine APIs, Git, IaC and configuration automation into reusable infrastructure services.

Deploy and administer KVM-based virtualization, storage, networking and HA.

Understand and operate Linux-native virtualization from the command line and APIs.

Understand OpenStack architecture and operate core compute, network and storage services.

Operate, diagnose and maintain production OpenStack environments.

Translate sovereignty, availability and security requirements into an open infrastructure architecture.

Build and operate resilient distributed block, file and object storage.

Deploy and operate self-hosted object storage for applications, backups and data platforms.

Design reliable backup, retention and recovery workflows without proprietary lock-in.

Plan and test recovery for Linux services, data and infrastructure dependencies.

Monitor Linux, network devices and services with alerting, templates and dashboards.

Instrument systems, query metrics and build operational dashboards.

Collect, query and correlate application and infrastructure logs.

Standardize traces, metrics and logs across distributed systems.

Apply SLIs, SLOs, error budgets and reliability practices to production services.

Operate PostgreSQL securely: roles, backup, recovery, maintenance and monitoring.

Tune workloads and implement resilient PostgreSQL architectures.

Administer and maintain MariaDB for business applications and services.

Deploy, secure, back up and troubleshoot document databases.

Operate Redis for caching, queues and low-latency application patterns.

Model datasets and create governed analytical dashboards with an open BI platform.

Enable teams to explore data and build lightweight dashboards without a proprietary BI stack.

Design and operate high-performance analytical workloads on columnar storage.

Build, schedule and monitor maintainable data workflows.

Design event-driven data flows and operate Kafka-based streaming platforms.

Build interoperable analytical platforms using open table formats and query engines.

Transform warehouse data into tested, documented and reusable analytical models.

Clean, analyze and automate data workflows using the Python ecosystem.

Build discoverability, ownership, lineage and governance for modern data platforms.

Build maintainable scripts and applications using modern Python practices.

Design typed, documented and testable APIs in Python.

Build secure server-side web applications with a mature open-source framework.

Develop structured business applications and APIs using Laravel.

Build production-ready Java services using the open Spring ecosystem.

Build component-driven web interfaces using an open JavaScript ecosystem.

Design consistent REST APIs, contracts, versioning and developer documentation.

Use branching, review and collaboration workflows effectively.

Integrate threat modeling, dependency checks and secure coding into development.

Build automated build, test and deployment pipelines on a self-hosted DevOps platform.

Deploy and operate lightweight sovereign source-code collaboration.

Operate a private OCI registry with scanning, access control and replication.

Integrate code, dependency, container and infrastructure security into delivery pipelines.

Design internal developer platforms that standardize delivery without hiding infrastructure realities.

Deploy authoritative and recursive DNS services securely.

Publish and balance production services with health checks and TLS termination.

Configure web serving, reverse proxying, TLS and application gateways.

Build modern remote-access and site-to-site VPN connectivity.

Capture, filter and interpret traffic to diagnose network and application issues.

Plan addressing, routing, DNS and transition strategies for IPv6.

Deploy and operate IP telephony services using an open communications platform.

Deploy secure file sync, sharing and collaboration under organizational control.

Integrate collaborative document editing into a private cloud workspace.

Harden, monitor, back up and scale Nextcloud for production use.

Design interfaces, components and interactive prototypes on an open design platform.

Create scalable illustrations, diagrams, icons and marketing assets.

Produce and retouch digital graphics using an open image-editing workflow.

Model, light and render professional 3D scenes with Blender.

Work efficiently with structured data, formulas, tables, charts and everyday reporting.

Build robust analytical workbooks using advanced formulas, Power Query and automation techniques.

Prepare, clean, analyze and summarize business data for decision-making.

Create structured, reusable and polished business documents with styles, references and templates.

Turn ideas and data into clear, persuasive and professional presentations.

Manage email, calendars, tasks and professional communication more efficiently.

Develop practical cross-application skills for everyday office work.

Connect data, build a clean model and create interactive business dashboards.

Design semantic models and create business measures using DAX.

Build repeatable data-cleaning and transformation workflows for analytics.

Optimize models, DAX and report performance for larger analytical solutions.

Create executive dashboards that communicate KPIs and insights clearly.

Build management reporting models for budgets, actuals, variances and KPIs.

Explain technical topics clearly to users, managers and non-technical stakeholders.

Use structured methods to diagnose incidents, separate symptoms from causes and prevent recurrence.

Manage interruptions, incidents, projects and deep work in demanding IT environments.

Structure technical proposals around business value, risk, cost and decisions.

Improve support interactions, expectation management and service quality for internal users.

Plan and facilitate productive technical meetings, discovery sessions and retrospectives.

Develop delegation, feedback, decision-making and coordination skills for technical leaders.

Create useful SOPs, runbooks, architecture notes and technical knowledge articles.

Apply hierarchy, typography, layout and composition principles to professional visual communication.

Create logos, icons, diagrams and scalable marketing graphics.

Retouch images, create composites and prepare digital assets for communication channels.

Design interfaces, reusable components and interactive prototypes collaboratively.

Model, light, texture and render 3D content for communication and digital projects.

Create consistent digital campaign assets using practical design systems and reusable templates.

Use generative image tools as part of an ethical, controlled creative workflow.