Notes
Technical notes
Facts checked against official sources, with the verification date and links. Written for people who run platforms and take AI to production.
- AI agent in production: a security, evaluation and cost checklist
Ten checks for taking an AI agent into production: least privilege, evaluations, tracing, costs, prompt injection and human oversight.
- Ansible and Jenkins in October 2026: ansible-core 2.21 and Jenkins LTS 2.580
ansible-core 2.21 Python requirements, removals to check and Jenkins LTS 2.580.1 with Java 21 or 25 and plugins no longer bundled: an upgrade guide.
- From ingress-nginx to Gateway API: a migration checklist
ingress-nginx has received no fixes since March 2026. A practical checklist to inventory, convert and migrate to Gateway API without downtime.
- GitOps in 2026: Argo CD or Flux, how to choose
Argo CD and Flux are both CNCF Graduated projects. Verifiable differences in interface, multi-cluster, images and OpenShift, and criteria for choosing.
- Kubernetes 1.37: what to check before upgrading
Kubernetes 1.37 was released on 26 August 2026. The four mandatory actions, the removals to check and the support calendar for clusters on 1.34.
- Local and secure home automation and IoT: Home Assistant, MQTT, Matter and the CRA
How to build a home automation system that works without the cloud: Home Assistant, Matter 1.6, MQTT 5 with Mosquitto, a separate network and CRA dates.
- MCP 2026-07-28: what changes for AI agent builders
The new Model Context Protocol revision has no sessions or handshake. What to migrate, in what order, and which security risks to check.
- OpenShift 4.22: upgrading from 4.18 EUS step by step
The 4.18, 4.19, 4.20, 4.21, 4.22 path with two Control Plane Only updates, the support dates and the checks to make before each jump.
- Regulatory calendar 2026-2028 for software and AI developers
The AI Act after the Digital Omnibus, the Cyber Resilience Act and NIS2 in Italy: the dates that matter for software developers, with sources and caveats.
- Supported versions in October 2026: Kubernetes, OpenShift, Ansible, Jenkins
Which versions of Kubernetes, OpenShift, ansible-core and Jenkins are still supported, with end-of-support dates verified on 2 October 2026.