Pinggy Blog

Tunnels, networking, self-hosted LLMs, and AI news

Hands-on guides, protocol deep dives, and field notes on tunnels, SSH, reverse proxies, self-hosting, self-hosted LLMs, and AI - from the people building Pinggy.


How to Host Your AI App on Google Colab for Free

Google Colab Ollama Flask

Learn how to build and host a complete AI-powered Flask application on Google Colab with free GPU access. Use Ollama for LLM inference and Pinggy for public access - no server costs required.

SSH Port Forwarding

guide ssh networking

Master SSH port forwarding with practical examples for local, remote, and dynamic tunneling. Learn how to securely access databases, bypass firewalls, and debug applications.

Self-hosting n8n with Google Sign-In

n8n self-hosted Google Sign-In

Learn how to self-host n8n using npm and configure Google Sign-In authentication. Complete guide with Pinggy tunneling for secure remote access.

What is 'Mixture of Experts' in LLM Models?

LLM AI Models mixture of experts

Understand Mixture of Experts (MoE) architecture in LLM models - how it works, why it's efficient, and which models use it. Learn about sparse activation, routing, and performance benefits.

Run and Share ComfyUI on Google Colab for Free

ComfyUI Google Colab Pinggy

Learn how to run ComfyUI on Google Colab with GPU acceleration and share it publicly using Pinggy tunnels. Complete guide for free AI image generation with stable diffusion models.

Running Ollama on Google Colab Through Pinggy

Ollama Google Colab Pinggy

Learn how to run Ollama models on Google Colab and access them remotely using Pinggy tunneling. Complete setup guide with OpenWebUI integration for free AI model hosting.

Self-hosting Obsidian

obsidian self-hosted Docker

Complete guide to self-hosting Obsidian sync using Docker, CouchDB, and Pinggy tunnel. No paid Obsidian Sync, full control, and all the fun of building your own sync server!

What is 127.0.0.1 and Loopback?

networking localhost 127.0.0.1

Understand `127.0.0.1`, loopback addresses, and how they work in networking. Learn why localhost points to `127.0.0.1` and how to use loopback for development and testing.

How to Self-Host Any LLM – Step by Step Guide

self-hosted AI Ollama Open WebUI

Complete guide to self-hosting large language models locally using Ollama and Open WebUI with Docker. Learn to run AI models privately with full control over your data.