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Abstract Nebula

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lpi

LPI Practice Subscription

Unlimited practice exams for LPIC-1, LPIC-2, LPIC-3, and DevOps Tools Engineer certifications. Hundreds of realistic questions with detailed explanations, progress tracking, and weak-area analysis.

DevOps Cheatsheets Bundle

All 23 DevOps cheatsheets in one compiled PDF — every command, config pattern, and workflow you need at your terminal.

Observability Stack

Full infrastructure observability with Grafana, Prometheus, Loki, and Alloy — deploy on any Linux server in minutes.

Complete DevOps Bundle - All 5 Production Stacks + Cheatsheets (20% Off)

Get all 5 production-ready infrastructure stacks (SSL Reverse Proxy, Database Foundation, MinIO S3 Backup, n8n Production, Observability) plus the DevOps Cheatsheets Bundle at 20% off. Save €9.95!

€39.99

lpi

LPIC-1 + DevOps Bundle - Practice Subscription + Cheatsheets (15% Off)

Save 15% when you bundle the LPI Practice Subscription with the DevOps Cheatsheets. Get unlimited practice exams for all LPI certifications plus 23 essential DevOps cheatsheets.

€11.99

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Community Supporter

Support independent AI/XR research and get your name on the supporters page, early-access content, and a quarterly research digest.

€1.00

Database Foundation Stack

Production-ready PostgreSQL + Redis with automated daily backups, 30-day retention, and optional S3 off-site sync.

MinIO + S3 Backup Stack

S3-compatible object storage with automated backup, lifecycle management, and Nginx reverse proxy — without the AWS bill.

n8n Production Stack

Production-ready n8n with PostgreSQL persistence and Redis-backed queue for reliable workflow automation.

SSL Reverse Proxy Stack

Production-grade reverse proxy with automatic SSL certificates, CrowdSec WAF/IPS, and zero-downtime auto-updates.

Cheatsheet Bundles

Curated collections of reference sheets and cheatsheets.

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DevOps

Container Orchestration Bundle

Master Docker, Kubernetes, Docker Compose, and Helm with these production-ready reference sheets

Infrastructure Stack Collection

Four production-ready Docker stacks for self-hosted infrastructure — SSL ingress, workflow automation, database foundations, and S3-compatible object storage. Save 27% vs buying individually.

Research Papers Bundle

8 research papers — graph neural networks for number theory, VR exposure therapy, LLM quantization, GenAI in VR commerce, VR education, and the modular forms comprehensive preprint

€29.00Save 25%