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Artificial Intelligence Advanced

Evaluating LLM Output in CI

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...

6 Sep 2026 7 min read 56

Artificial Intelligence Beginner

What an AI Token Actually Is

Ask somebody how much text they just sent to an AI model and they will answer in words. Every bill, every limit, and every "this conversation is too long" error is counted in tokens — and tokens are not words. They are n...

30 Aug 2026 9 min read 830

Artificial Intelligence Beginner

NotebookLM: Grounded Research You Can Trust

NotebookLM is the agentic AI tool for people who have been burned by confident fabrication. Google's research assistant inverts the usual trust model: instead of answering from the open web or its training data, it answe...

30 Aug 2026 4 min read 617

Artificial Intelligence Intermediate

OpenClaw: A Local Agent That Does Things

OpenClaw is the agentic AI project that broke out of the developer bubble. Built by Peter Steinberger — the founder of PSPDFKit — it is an open-source, self-hosted personal agent that you talk to through the messaging ap...

30 Aug 2026 6 min read 724

Artificial Intelligence Intermediate

Claude Code: Agentic Coding in the Terminal

Claude Code is Anthropic's agentic coding tool, and it makes a deliberate choice that sets it apart from the editor-based assistants: it lives in the terminal, not the IDE. That sounds like a downgrade until you use it,...

30 Aug 2026 5 min read 840

Artificial Intelligence Beginner

Agentic AI Examples That Actually Ship

The gap between an agentic AI demo and an agentic AI system that ships is enormous, and the way to understand it is to look at the ones that made the crossing. This is a survey of agentic patterns that earn their keep in...

30 Aug 2026 5 min read 694

Artificial Intelligence Beginner

What Agentic AI Actually Is

"Agentic AI" is the phrase that replaced "chatbot" the moment models stopped just answering and started doing. It is also badly overused — half the products wearing the label are a language model with a single API call b...

30 Aug 2026 6 min read 847

Virtualization Intermediate

Recovering a Lost ESXi or vCenter Password

"Recover the vCenter password" is three different jobs wearing one sentence, and picking the wrong one wastes an afternoon. Before touching anything, decide which credential you have actually lost: The ESXi host root acc...

29 Aug 2026 10 min read 808

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 Aug 2026 7 min read 2K

Product Reviews Intermediate

MikroTik CCR2004 Review: Eight Months in Production

The CCR2004-1G-12S+2XS occupies an unusual position: twelve SFP+ ports and two SFP28 ports in a 1U chassis, at roughly a fifth of the price of the equivalent from a mainstream vendor. I have run a pair for eight months a...

23 Aug 2026 5 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 Aug 2026 6 min read 4K

Tutorials Beginner

Lab: Build an Active Directory Environment on Hyper-V

This lab builds a working Active Directory environment on Hyper-V: two domain controllers, a member server, and a client, on an isolated network. It is the foundation for practising Group Policy, certificate services, re...

16 Aug 2026 5 min read 4K