I run local LLMs (like Llama 3.2) on my Intel Mac (24 GB RAM) and PC Windows (32 GB). Every time I started a new conversation, I had to re‑explain who I am, how I work, and what I need. That got old fast. Then I discovered Ollama’s Modelfile – a simple configuration that bundles a system… Continue reading How a Single Modelfile Saves Me Hours of Prompt Engineering