Comprehensive Kubernetes training covering architecture fundamentals, workload primitives, networking, configuration and storage, security (RBAC, PSA, Network Policies, image signing), Helm package management, GitOps and CI/CD delivery, scaling, high availability, observability, performance optimisation, and troubleshooting.

Five-day hands-on course for C/C++ developers on Linux: the full compilation pipeline (GCC, Clang, assembly, linking), static and shared libraries, build systems (Make, CMake), debugging (GDB, Valgrind, AddressSanitizer), system calls and memory management, file system APIs, process management and IPC, signals, POSIX threads, thread synchronisation, socket programming, and I/O multiplexing.

Comprehensive hands-on Linux security training covering the full attack surface: user model hardening, filesystem permissions, capabilities, kernel hardening, firewalls with nftables, intrusion detection with auditd, log management, rootkit detection, container security, and live incident response.

Architektur verteilter Systeme: Service-Grenzen, Kommunikation, Datenhaltung, Resilienz, Service Discovery und Deployment – mit realitätsnahen Fallstudien.

Nutzung aktueller Sprachfeatures ab Java 17: Records, Pattern Matching, Sealed Classes, Virtual Threads, neue Stream-API-Möglichkeiten und praktische Refactoring-Beispiele.

Fortgeschrittene Techniken ab C++11/14/17/20: Smart Pointer, Move-Semantik, Lambdas, Templates, Ranges und Type Safety für robuste, moderne C++-Software.

Überwachung verteilter Systeme: Metriken, Logs, Traces, Alarmierung und Dashboards. Sie erfahren, wie Observability die Fehleranalyse und Betriebssicherheit moderner Anwendungen verbessert.

Three-day hands-on Puppet course for system administrators and DevOps engineers: Puppet architecture and infrastructure, the Puppet language (resources, classes, defined types, manifests), iterators and lambdas, facts, templates (EPP/ERB), data separation with Hiera, data types, custom functions, structuring code with modules and the roles-and-profiles pattern, version control with r10k, quality assurance (rspec-puppet, PDK), PuppetDB, and Bolt for agentless task execution.

Comprehensive three-day Qt training for C++ developers: fundamentals, signals and slots, object trees, localisation, GUI widgets, Qt Designer, custom painting, dialogs, layouts, drag-and-drop, item-based and model-view widgets, 2D graphics, container classes, SQL and JSON access, and multi-threaded programming.