All articles tagged "lenovo" : self-hosted AI fixes, setups, and architecture notes.
Honest minute-by-minute log of building a friend's sovereign-AI workstation from a stock Lenovo with Windows to a fully self-hosted KI-stack with custom dashboard, MCP-routed RAG, and bidirectional cross-tailnet sharing. With the mistakes.
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I had a 600-line dashboard that worked technically and went unopened socially. Rebuilding it as a teaching surface changed everything. This post is the design pattern: info-buttons on every metric, persona-cross-references on every model, a glossary tab that explains every acronym, and a doctor tab with one-button fixes. Sample backend and frontend code.
I copied my DGX Spark /data/ convention to a standard Ubuntu laptop. Three weeks later I forgot Docker exists. Root partition filled to 96 percent. Here is the diagnosis, the surgery, and the rule I should have followed.
Most sovereign-AI guides assume the operator is the same person as the user. What changes when the operator is your friend who has zero Linux experience? The discipline is identity separation at every layer, default-local privacy, and a vibe-sustaining onboarding pattern that survives day three.
A May 2026 memo of mine said local 8B models cannot reliably do MCP tool-use. I retested in late May. The memo was specifically wrong about WHY. Direct OpenAI-format API calls work fine. The bridge layer was the broken part.