Warum selbst Signal bei Google und Apple anklopft (clt26)...

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Ich wollte nur Zulip-Notifications auf dem Handy. Also habe ich angefangen, selbst was zu bauen – und bin in ein Rabbit Hole gefallen. Dieser Vortrag erzählt die Geschichte, wie ich versucht habe, ein Problem zu lösen – und dabei verstanden habe, wie Push-Notifications wirklich funktionieren. Warum mein erster Ansatz nicht skaliert. Warum fast jede App Firebase oder APNs nutzt. Warum selbst Signal bei Google anklopft. Und warum das seit dem Wyden-Brief von 2023 ein dokumentiertes Privacy-Problem ist: »We kill people based on metadata.« Ich zeige, welche Alternativen es mit UnifiedPush und ntfy gibt, wie ich eine Bridge für Zulip gebaut habe, und warum das gleiche Problem auch für Prometheus-Alerts, Grafana-Notifications und CI/CD-Pipelines gilt. Und was das mit digitaler Souveränität zu tun hat. Licensed to the public under http://creativecommons.org/licenses/by/4.0 about this event: https://chemnitzer.linux-tage.de/2026/de/programm/beitrag/143

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This episode was published on March 29, 2026.

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Ich wollte nur Zulip-Notifications auf dem Handy. Also habe ich angefangen, selbst was zu bauen – und bin in ein Rabbit Hole gefallen. Dieser Vortrag erzählt die Geschichte, wie ich versucht habe, ein Problem zu lösen – und dabei verstanden habe,...

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