8-Part Tutorial Series

Self-Hosted AI Stack

Replace $200+/month in AI API costs with a $40/month VPS. From an empty server to a fully private AI platform — LLMs, chat, RAG, code completion, agents, and automation.

8 integrated guides

~5 hours total

$40/mo total cost

Start Part 1

Replace Commercial AI Services

Commercial Cost

ChatGPT Team (5 users)$125/mo
GitHub Copilot (5 users)$95/mo
Pinecone Serverless$70+/mo
Zapier AI Workflows$50+/mo
OpenAI API (moderate)$50–200/mo
Total$390–690+/mo

RamNode Self-Hosted

Open WebUI (unlimited users)$0
Tabby Code Completion$0
Qdrant Vector DB$0
n8n AI Automation$0
Ollama LLM Inference$0
8GB VPS Total$40/mo

Series Roadmap

Part 1: Ollama — Run LLMs on CPU

25 min

Deploy Ollama on your VPS and run large language models entirely on CPU. Model recommendations for 2GB, 4GB, and 8GB RAM plans.

Part 2: Open WebUI — Multi-User ChatGPT Clone

30 min

Deploy a private, multi-user ChatGPT-like interface with role-based access control. Connect to Ollama from Part 1.

Part 3: RAG Pipeline — Qdrant + Document Ingestion

40 min

Build a self-hosted RAG pipeline with Qdrant vector database. Give your AI real knowledge from PDFs, docs, and code.

Part 4: AnythingLLM — No-Code AI App Builder

30 min

Build custom AI workspaces and chatbots without code. Connect to your Ollama models and Qdrant RAG pipeline.

Part 5: Tabby — Self-Hosted Code Completion

35 min

Replace GitHub Copilot with your own AI code assistant. Private code completion with no code leaving your infrastructure.

Part 6: CrewAI — Multi-Agent Workflows

40 min

Deploy autonomous AI teams on your VPS. Build multi-agent workflows for research, analysis, and content creation.

Part 7: n8n + Ollama — AI-Powered Automation

40 min

Connect n8n to Ollama for AI-powered workflow automation with zero API costs. Automate email triage, content generation, and more.

Part 8: Production Hardening

50 min

Reverse proxy, centralized auth, automated backups, resource tuning, and the complete unified Docker Compose stack.

What You'll Build

Foundation & Intelligence

• Local LLM inference with Ollama on CPU
• Multi-user ChatGPT clone with RBAC
• RAG pipeline with Qdrant vector database
• No-code AI app builder with AnythingLLM

Developer Tools & Orchestration

• Self-hosted GitHub Copilot alternative
• Multi-agent AI workflows with CrewAI
• AI-powered automation with n8n + Ollama
• Production hardening with reverse proxy & backups

Prerequisites

• A RamNode VPS — works on all plans; 4GB ($20/mo) recommended, 8GB ($40/mo) for the full stack
• Ubuntu 22.04 or 24.04
• SSH access to your server
• Basic Linux command line knowledge
• A domain name (optional, recommended for Part 8)