Categories

Methodologies

Alertmanager: Routing That Doesn’t Wake Your Team at 3am

A badly configured Alertmanager turns every incident into noise: a single unrouted receiver ends with an ignored Slack channel within a week. This article covers, on Alertmanager 0.27 and Prometheus 2.54, how to design the routing tree, inhibition rules, silences and on-call rotations to curb alert fatigue without losing real incidents.

Architecture

Kubernetes 1.31: the stabilisations that matter day to day

Kubernetes 1.31 brings no fireworks, but it closes old debts: AppArmor reaches GA, native sidecars now run enabled by default on their way to stable in 1.33, and DRA moves through alpha toward beta. A practical review from the perspective of someone operating clusters in production.

Industry 4.0

PLC and OPC UA: Modernising the Plant Without Stopping Production

OPC UA is the standard protocol (IEC 62541) that connects industrial PLCs to IT systems, with built-in security and rich information models that Modbus or Profibus cannot match. Incremental adoption in phases, starting with an observer-mode gateway that leaves existing PLCs untouched, lets a plant running decades-old equipment modernise without stopping production.

Artificial Intelligence

How to Install Ollama on macOS with Apple Silicon

Installing Ollama on an Apple Silicon Mac is as simple as running one Homebrew command. Then pick a model based on available RAM (Phi-3 for 8 GB, Llama 3.1 8B for 16 GB) and expose the local, OpenAI-compatible HTTP API on port 11434 to plug it into your own applications.