Ollama: local models the easy way

Ollama packs model weights, runtime and an OpenAI-compatible API into one command. Start with the full lesson, then branch out:

Ollama lessons
Ollama basics: install, pull, serve and API

The one-command version:

ollama pull qwen2.5:7b && ollama run qwen2.5:7b

Everything stays on your machine: no API bills, no data leaving, and it works offline. Pair it with RAG over local documents for a private research assistant.

Next steps
Qwen: download, install, fine-tune and use
RAG: answers from your own documents
Prompt engineering that works