In artificial intelligence (AI), retrieval augmented generation (RAG) is the technique of retrieving data from external data sources to improve large language models' (LLMs) response. Sometimes, LLM's trained data isn't enough, and this is where RAG comes into play to reduce a model's knowledge gaps and avoid hallucinations. In this guide, you'll use Chroma, an open-source vector database, to improve the quality of the Llama 2 model. Before you begin: * [Deploy a new Ubuntu 22.04](https://www.vu......