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Artificial Intelligence Advanced

Building RAG Pipelines That Survive Production

Retrieval-augmented generation demos beautifully and fails quietly. The gap between a notebook that answers questions about ten PDFs and a system that serves an entire organisation is not model quality — it is retrieval...

27 Jul 2026 · 7 min read 2K

Virtualization Intermediate

Proxmox VE Cluster Design That Survives Failure

Proxmox VE has moved from homelab curiosity to a genuine vSphere alternative, and Broadcom's licensing changes accelerated that considerably. But a Proxmox cluster designed like a vSphere cluster will disappoint you in s...

20 Jul 2026 · 6 min read 4K

Networking Advanced

BGP Multihoming for the Enterprise Edge

Multihoming with BGP is the point where enterprise networking stops being configuration and starts being policy. The protocol is simple; the failure modes are political, and they usually surface at 3am during a partial u...

12 Jul 2026 · 6 min read 3K

Cybersecurity Intermediate

Zero Trust Network Access: A Realistic Rollout

"Zero trust" has been marketed into near-meaninglessness. Underneath the vendor material is a genuinely useful principle: stop granting access based on network location. Being on the corporate LAN should confer no more p...

5 Jul 2026 · 6 min read 4K

Automation Intermediate

Terraform Module Design That Scales

Terraform makes it easy to create infrastructure and surprisingly hard to keep a large codebase maintainable. The problems show up around the eighteen-month mark: modules nobody dares change, state files that take twenty...

20 Jun 2026 · 6 min read 4K

Storage Intermediate

ZFS for Production Storage

ZFS has a reputation for being complicated. It is not — it has a small number of decisions that are permanent, and a larger number that are trivially changeable. Knowing which is which is most of the skill. The permanent...

6 Jun 2026 · 6 min read 4K

Cloud Advanced

AWS Landing Zone Foundations

The decisions you make in an AWS account's first month determine how painful the next three years are. Landing zone work is unglamorous, invisible when done well, and extremely expensive to retrofit. This covers the foun...

30 May 2026 · 5 min read 5K