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Work · October 11, 2024

Dead man's switch without reliance on your infra

I wrote this Go project to implement a dead man’s switch that didn’t rely on cron jobs, timers, databases, etc on the infra it runs on. Deadcheck integrates to PagerDuty and keeps a long running incident snoozed until expected check-in times where it’ll alert unless a check-in occurs.

Dead man's switch without reliance on your infra launched on October 11, 2024 with 139 votes, #362 of 5,185 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 2 years on.

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In plain words

Deadcheck is a Go project that implements a dead man's switch for monitoring system health without requiring cron jobs, timers, or databases on the host infrastructure. It integrates with PagerDuty to maintain a snoozed incident that automatically alerts if expected check-ins fail to occur at scheduled times. This approach provides a lightweight alternative to traditional monitoring infrastructure.

written from the facts on this page · September 2026

From the sources

dead mans switch without reliance on your system, infra, or application - adamdecaf/deadcheck

Deadcheck is a versatile dead man's switch designed to be independent of the infrastructure hosting it. The project allows users to set up checks that must be periodically "confirmed" to indicate that everything is fine. If a check isn't confirmed within the specified time, Deadcheck triggers a set of actions, such as sending alerts or executing tasks to ensure that the necessary steps are taken in the event you're no longer able to do so. Deadcheck is an automated dead man's switch that doesn't rely on its own uptime . Instead, it uses external services for final triggers, ensuring alerts and actions occur even if the hosting infrastructure is down. Deadcheck relies on third parties (e.g.,…from github.com

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