How to Install R2R on Ubuntu 24.04

R2R is an advanced AI retrieval system supporting Retrieval-Augmented Generation (RAG) with production-ready features. Built around a RESTful API, R2R offers multimodal content ingestion, hybrid search, knowledge graphs, and comprehensive document management. It includes a Deep Research API for multi-step reasoning that fetches relevant data from your knowledge base and/or the internet to deliver richer, context-aware answers for complex queries.