Magatama, From the Beginning (Part 1): Diagnosis Only
The first part of a short series on how Magatama went from manual alert triage to an autonomous ops agent, starting with the deliberately powerless version that could only explain what was wrong.
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Magatama, From the Beginning, Part 2: The Chore I Kept Choosing
A diagnosis-only agent held up fine, until I noticed I was doing the same manual fix every time it was right. Here's the middle ground I landed on between full autonomy and a blind whitelist.
The Ghost Process and the NaN Weights
A duplicate training job that wouldn’t stay dead, and a batch of corrupted weights that came within seconds of going live. Notes from a rough week running my own training infrastructure.
Red-Teaming My Own Autonomous Agent
I pointed a serious security audit at Magatama, the agent I built to run my own server fleet, and asked exactly one question: how could its own autonomy be turned against me. Five things came back confirmed, and all five got fixed the same day.
Before It Was NOGnet: Years of Standing in the Same Line
Long before NOGnet was a platform or a business decision, it was a stack of small, repeated annoyances I picked up simply by showing up to events as an ordinary attendee, year after year.
What I'm Watching in H2 2026
Coming off the H1 retrospective, here are six things I'll be tracking through the second half of 2026. I've split them by confidence — three calls I&
Halfway Through 2026 — What I Got Right, What I Got Wrong
Six months into 2026. Time for the half-year retrospective. I don't keep a formal prediction list. I do leave a lot of directional calls scattered through posts, mailing
The IRR Database Cleanup Nobody's Tracking
RPKI got the attention. Cyber-insurance language rewritten, hyperscaler peering policies tightened, deployment curves bending upward. The industry has had three years of sustained conversation about routing security, and it'
Linear Drive Optics Six Weeks Later — What Hyperscalers Actually Ordered
In April I wrote about linear drive optics and called it a power-budget story. The argument: LPO trades modest reach for significant power savings, right for AI fabrics inside a
A Realistic Path From Zero to Your Own AI
The closing part of season one: a practical roadmap for people who start without background knowledge and want to reach local models, adapters, gateways, and software development.
// projects & tools
Magatama
Unified Security Platform — 6 pillars covering AppSec, Cloud, AI, Pentest, Runtime & Compliance.
magatama.dev →
PeerCortex
Network Intelligence Platform — RPKI, ASPA, BGP Health Reports for 70,000+ networks.
peercortex.org →
GitHub
Open source — PeerCortex, PaperCortex, ShieldX, Transceiver DB & more.
github.com/renefichtmueller →
fichtmueller.org
20+ years in optical networking, ISP infrastructure & peering. Social Networker.
fichtmueller.org →
NOGnet
Global NOG Support Program — empowering Network Operator Groups worldwide.
nognet.net →