Local Second Brain
Second Brain Project — Daily Report
Date: August 22, 2026
Executive Summary
Established the initial working architecture for a fully local AI Second Brain running on an Ubuntu/NVIDIA workstation. The system uses Qwen3 8B as the primary LLM, Qwen3-Embedding 0.6B for semantic embeddings, Qdrant as the vector database, and Open WebUI as the browser-based user interface.
The system successfully performs end-to-end Retrieval-Augmented Generation (RAG) against documents stored on NAS. A PDF was ingested, converted to embeddings, stored in Qdrant, semantically retrieved, and succes...