What Edu is reading this week (Feb 23 - Mar 1, 2026)

This week’s roundup covers a wide range of topics, including the architectural limits of etcd, GPU-initiated networking, the nostalgic design of Apple’s breathing lights, and the surprising persistence of floppy disks in transit systems.

Cloud, Kubernetes & Infrastructure

• Why etcd breaks at scale in Kubernetes - A deep dive into the architectural limitations of etcd and how hyperscalers are evolving beyond it.
• Sympozium (KubeClaw) — Kubernetes-Native Agentic Control Plane / GitHub Repo: A platform for orchestrating AI agents as isolated skill sidecars with ephemeral RBAC.
• Scaling AI Document Processing with Ray & KubeRay - Practical patterns for parallelizing GPU-intensive OCR tasks on Kubernetes.
• Building NVSHMEM from Scratch: GPU-Initiated Networking - An in-depth exploration of RDMA transport and GPUDirect for LLM training.
• Configure EFA (Elastic Fabric Adapter) for HPC - A guide to low-latency inter-node communication for distributed machine learning.
• Amazon EC2 P5 Instances for AI/ML Training - Best practices for leveraging H100 GPUs and Flash Attention on AWS.
• NVIDIA NCCL - Optimized primitives for collective multi-GPU communication across PCIe and InfiniBand.
• Jails for NetBSD - Bringing kernel-enforced isolation and container-like resource control to NetBSD.
• FnNAS for Arm64 Devices - A deeply customized Debian-based OS for Arm64 TV boxes acting as NAS servers.
• NVIDIA Driver Installation on openSUSE/SLE - A definitive guide to GFX, CUDA, and open-kernel drivers on SUSE.

AI, Agents & Tools

• Nano Banana 2: Google’s Latest AI Image Model - Google combines the power of Nano Banana Pro with Gemini Flash for rapid AI editing.
• Firefox 148 AI Kill Switch - Firefox gives users explicit control to disable AI-generated summaries and chatbot prompts.
• Evaluating AGENTS.md for Coding Agents - Research suggesting that over-specifying context for AI agents can actually decrease success rates.
• Choosing an Inference Engine: Why Choice Matters - A comparison of vLLM, TGI, and llama.cpp for production environments.
• AI World Clocks - A creative experiment generating unique analog clocks every minute using LLMs.

Linux, Systems & Hardware

• Building a Low Power Server (Part II) - Optimizing BIOS C-States and ASPM to achieve a 14.5W idle power draw.
• Floppy Disks to Run SF Trains Until 2030 - A fascinating look at the longevity of legacy hardware in critical infrastructure.
• Even the Mars Rover Uses Zip Ties - Highlighting the reliability of Tefzel zip ties in extreme extra-planetary environments.
• Nearby Glasses Detection App - An Android tool attempting to detect smart glasses using Bluetooth Low Energy.
• Apple’s “Breathing Light” Sleep Indicator - A nostalgic look at one of Apple’s most human-centric design details.
• 12" MacBook Retina Logic Board Failure - Community analysis of the U4700 controller issues plaguing the ultra-thin MacBook.
• Diode: Hardware Simulation in the Browser - Build and simulate hardware circuits with a clean, web-native schematic interface.

Development, Web & Tools

• Charm v2 Terminal Tooling - Major updates to Bubble Tea and Lip Gloss optimized for the era of AI coding agents.
• dotenvx - A secure, encrypted version of dotenv from its original creator.
• enject (formerly enveil) - Protecting your .env secrets from leaking into AI coding tool prompts.
• Authentik - The open-source identity provider that’s becoming a go-to for self-hosted SSO.
• Kanidm - A modern identity management platform written in Rust with native Webauthn support.
• Conventional Responses / Comments / Commits - Standards for improving human and machine-readable communication in development.
• Omarchy-Inspired macOS Setup - Building a keyboard-driven, tiled workflow on macOS using yabai and skhd.
• Homio Home Assistant Dashboard - A clean, YAML-based dashboard optimized for tablets and mobile devices.
• Wallabag + Kobo Offline Reading - Creating a distraction-free “read it later” workflow using KOReader.
• Hacking an old Kindle to display bus arrival times - A creative project detailing how to jailbreak and repurpose an old Kindle as a low-power E-Ink dashboard for real-time bus tracking.
• Libertinus Font Family - A robust open-source font family with excellent math support.

Gaming, Fun & Misc

• Gran Turismo 4 Spec II Mod - Spec II is a mod which expands upon the core Gran Turismo 4 experience, bringing a variety of fixes and improvements to the game.