How to Install PrivateGPT on Ubuntu 24.04

PrivateGPT is a production-ready AI document interaction tool that lets you chat with your documents completely privately. Built on open-source LLMs, it enables secure RAG (Retrieval-Augmented Generation) without sending data to third parties. With 57k+ GitHub stars, it supports multiple LLM backends (LlamaCpp, OpenAI-compatible, Ollama), embedding models, and vector stores. Features include a REST API, multiple UI frontends (including Claude Desktop and n8n integrations), and enterprise-grade document management.