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Concelier Ubuntu USN Connector - Operations Runbook

Last updated: 2026-01-16

1. Overview

The Ubuntu connector ingests Ubuntu Security Notices (USN) and maps advisories to Ubuntu package versions.

2. Authentication

  • No authentication required for public feeds.

3. Configuration (concelier.yaml)

concelier:
  sources:
    ubuntu:
      baseUri: "<ubuntu-usn-base>"
      maxDocumentsPerFetch: 20
      fetchTimeout: "00:00:45"
      requestDelay: "00:00:00"

4. Offline and air-gapped deployments

  • Mirror USN feeds into the Offline Kit and repoint baseUri to the mirror.

5. Common failure modes

  • USN schema updates or missing release references.