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Building Cross-Platform Offline-First Apps with Bluetooth Low Energy

https://octet-stream.net/b/scb/building-cross-platform-offline-first-apps-with-ble.html · 17 May 2024

17 May 2024 This is the transcript and slides from a presentation I gave at /dev/world in Melbourne on May 9, 2024, under the somewhat less descriptive title "Bluetooth Low Energy On All The Things". If you like to watch things in video format then AUC h...

Protobuffed contracts

https://rednafi.com/misc/protobuffed-contracts/ · 10 May 2024

Define service contracts with Protocol Buffers for non-gRPC systems. Generate serializers, maintain self-documented APIs, and ensure cross-language compatibility.

api networking distributed systems

Some network Upgrades going on

https://www.tiernanotoole.ie/2024/04/29/some-network-upgrades-going-on.html · 29 Apr 2024

I’m currently in the midst of a significant network upgrade for the CloudShed. I’ve purchased two Ubiquiti Unifi Hi-Capacity Aggregation Switches, a 24-port Switch Pro POE, a Switch Enterprise 8 PoE, a couple of U7 Pro Access Points, and a U6 In-wall A...

cloudshed unifi upgrade homelab internet networking

Crossing the CORS crossroad

https://rednafi.com/misc/crossing-the-cors-crossroad/ · 12 Mar 2024

Troubleshoot CORS errors with this practical guide. Learn Access-Control-Allow-Origin headers, preflight requests, and domain allowlisting in Go.

networking go web

Rate limiting via Nginx

https://rednafi.com/go/rate-limiting-via-nginx/ · 6 Jan 2024

Implement rate limiting at the infrastructure layer with Nginx reverse proxy. Protect Go services from DDoS with leaky bucket algorithm.

go networking docker

Dummy load balancer in a single Go script

https://rednafi.com/go/dummy-load-balancer/ · 30 Aug 2023

Build a working round-robin load balancer in Go with goroutines and the standard library. No dependencies needed for this educational prototype.

go til networking

Using DNS record to share text data

https://rednafi.com/misc/dns-record-to-share-text/ · 17 Jul 2023

Share data via DNS TXT records using dig and base64 encoding. Learn limitations, security concerns, and practical use cases for DNS tunneling.

shell unix til networking

Implementing a simple traceroute clone in Python

https://rednafi.com/python/implement-traceroute/ · 1 Jun 2023

Build a traceroute clone in Python using UDP and ICMP sockets to trace network packet routes and measure hop latency with TTL manipulation.

python networking shell unix

Building a CORS proxy with Cloudflare Workers

https://rednafi.com/javascript/cors-proxy-with-cloudflare-workers/ · 21 May 2023

Build your own CORS proxy using Cloudflare Workers to bypass browser CORS restrictions. Includes deployment with GitHub Actions automation.

javascript networking github

Fixed-time job scheduling with UNIX 'at' command

https://rednafi.com/misc/fixed-time-task-scheduling-with-at/ · 14 May 2023

Schedule one-time commands with UNIX at command. Learn job queuing, remote scheduling via HTTP API, and managing atd/atrun daemons.

shell unix javascript networking