Blogs | Auston Barboza

Auston.dev

Auston.dev

Blogs

Engineering field notes from the trenches. This blog tackles the non-obvious problems in full-stack development, Networking and machine learning with PyTorch. These are the solutions I had to build when the documentation wasn't enough.

Making OpenWRT a Smarter Dumb AP: Displaying Client IPs and Hostnames

Making OpenWRT a Smarter Dumb AP: Displaying Client IPs and HostnamesA comprehensive guide to making your OpenWRT 'dumb AP' display client IPs and hostnames by actively scanning the network and using a simple DNS trick.

September 16, 2025

MCP's Stdio Handshake: An AI 'Hello World'

MCP's Stdio Handshake: An AI 'Hello World'Diving into the Model Context Protocol (MCP) by building a simple 'add' tool, and seeing how it communicates using the fundamental power of stdio.

September 15, 2025

Exploring the 70mai M200 Dashcam API

Exploring the 70mai M200 Dashcam APIMy journey reverse-engineering the 70mai M200 dashcam Android app, performing MITM traffic capture, and reproducing the signkey to unlock API access.

September 12, 2025

Why Layout Shift is Irritating (and How to See It in Action)

Why Layout Shift is Irritating (and How to See It in Action)Understanding layout shift in web pages, why it frustrates users, and a quick example to visualize it.

August 31, 2025

Getting IPv6 RA working on LXC with docker installed.

Getting IPv6 RA working on LXC with docker installed.A quick guide to solving the IPv6 gateway issue in Proxmox LXC with Docker by forcing Router Advertisement (RA) acceptance.

Enabling TAP Devices in Proxmox LXC Containers

Enabling TAP Devices in Proxmox LXC ContainersUnlock advanced networking in Proxmox LXC. This guide provides the essential steps to enable TUN/TAP devices for VPNs (like Tailscale) and custom routing, ensuring the changes are persistent across reboots.