FDE Times: how to package, update and monitor AI on air-gapped factory edge machines
A 12 October playbook for disconnected plants covers same-version K3s air-gap releases with offline signatures, safe Triton model reloads, and why a cloud portal can still show green after the machine goes dark.
When the factory has no internet, every missing file on the USB stick is a drive back to the plant, and a bad update can leave the line running with nobody checking for defects. FDE Times published an 12 October 2026 guide that treats air-gapped edge AI as three operational jobs: packaging a self-contained release, updating in a way that can be undone, and monitoring that does not depend on cloud silence meaning health.
The recommended release ships the K3s binary and airgap image tarball from the same version, plus application images and models, with a checksum manifest and a Sigstore bundle the edge box can verify offline. For model updates it warns against Triton’s default ignore-changes mode and POLL mid-copy races, and instead copies a full new version directory then issues an explicit load so a failed reload keeps serving the old model. On monitoring it notes Azure IoT Edge’s default two-hour offline TTL and that the portal can still report 200 OK after connectivity is lost, arguing for heartbeats and an on-disk OpenTelemetry queue sized to the longest outage the customer will accept.
FDEs hunting on-prem, edge or disconnected roles get a ready interview answer: signed same-version packages, explicit model control with rollback, and local proof the machine is alive when the cloud goes quiet.
Source: fdetimes.net