Notes from building platforms, breaking them on purpose, and flying drones over the results. Written by Mattias Hemmingsson, DevSecOps engineer in Stockholm.
Latest · kubernetes
How I run two always-on AI agents, Dobby for the house and Zoe for work, with OpenClaw on my home Kubernetes cluster. StatefulSet, storage, secrets, local embeddings and the gotchas.
· 6 min read
How Ollebo connects DJI enterprise drones with no app of our own: DJI Cloud API over MQTT, a live track on the map, automatic photo upload, and live video…
Welcome to Your New Desktop Once your Ubuntu desktop is up and running, your next step will be to install your favorite applications. Ubuntu offers multiple…
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Ubuntu for Content Creators and Media Enthusiasts Your Ubuntu machine is also a capable multimedia station. As the ‘Ubuntu System Administration Guide’…
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From One Server to a Datacenter When you need to install and manage dozens or even hundreds of physical servers, manual installation is not an option. The…
See Your Code Changes Instantly Docker is not just for deploying applications; it’s also a fantastic tool for local development. The ‘Ubuntu System…
25 October 2026
Your DJI enterprise drone, live in OlleboDJI enterprise drones can now stream their flights straight into ollebo.com. Connect your controller once in DJI Pilot 2, pick your Ollebo space and go fly: the drone shows up live on your map, every flight becomes its own mission, and live video goes to your whole team with one tap. We're looking for pilots to test it.
10 October 2026
Bringing a stack of "dead" Cisco access points back to lifeA pile of old Cisco Aironet 2600/2700 APs power up and get an IP, but every management port is closed: they're lightweight APs that only take orders from a Wireless LAN Controller, and we don't have one. So I reflashed them to autonomous mode over TFTP, and worked around a firmware bug where the recovery TFTP client sends its ACKs to the broadcast address.
7 October 2026
DevOps careers: which skills still matter with AI?So what knowledge is most valuable now: going deep into one tool, like being a DBA who knows their database inside out, or knowing many different types of databases more broadly?
12 August 2026
Platform Engineering Stockholm with Ankra and UpCloudKicking off the autumn season with some hands-on platform engineering: sovereign AI, Kubernetes orchestration, and the tools to run open-source LLMs on your own infrastructure.
Drone flights turned into maps, 3D models and live video.
Drone photography, and the maps and models made from it.
Security scanning and DevSecOps tooling for Kubernetes.
A podcast about DevSecOps, platforms and cloud native security.
A community for robotics, automation and security.
GoodTribes: connecting skilled volunteers with impact-driven organisations.
Asylguiden: information for asylum seekers in Sweden.
GitOps repo for my home Kubernetes cluster: ArgoCD app-of-apps for Home Assistant, logging, Keycloak and more.
GitOps manifest repo for goodtribes-org
Swedish marketplace for small jobs: post, find and accept gigs. React, Express, Prisma and MongoDB.