gavinj.net

Thoughts on technology, infrastructure, and AI

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PowerDNS: DNS Without the Archaeology

August 13, 2026 • powerdns, poweradmin, dns

A look at PowerDNS, the excellent Poweradmin web interface, and a design for sharing centrally managed zones across several isolated security domains.

Linux Network Testing and Optimisation Techniques for Elasticsearch Clusters

May 17, 2026 • linux, networking, elasticsearch

A practical guide to testing and improving Linux network performance for a three-node Elasticsearch cluster fed by two Logstash servers, including NIC bonding, iperf3, ethtool, TuneD, PCP, nmon, and RHEL-specific tooling.

gav.ilicio.us

Qwen3.8-Max: A New Bar for Coding and Cowork
Look out, Claude! Another multi-trillion-parameter open-weight model from China is landing, this one geared for coding.
Note-Taking and Personal Knowledge Management
A sharp defence of PKM: tools like Obsidian don't create knowledge; they give people a place to do it.
The Shape of Things to Come, Part 1: The Continuous Thunderdome
A dizzying vision of agent swarms, self-rewriting workflows and post-human CI/CD. I found it thoroughly confusing, but there may be gold here once it clicks.
WASTE — Weight-Aware Streaming Tensor Engine
Locally hosted Kimi K3 at a blistering 0.5 tokens per second!
Flint: A Visualization Language for the AI Era
A Microsoft Research visualization language that helps AI agents turn compact, human-editable specifications into polished charts across Vega-Lite, ECharts and Chart.js.
Because We Can
A great blog post that mirrors some of my feelings about AI export controls and how they relate to U.S. cryptographic export controls from 25 years ago.
Castle Map
Amazing map of castles located around the world.
late.sh
A cozy command-line clubhouse for computer people.
A Practical Guide to SSH Tunnels
A clean, visual guide to local, remote and dynamic SSH port forwarding.
htop explained
HTOP Explained.