Why should my cron script send a /start signal?

Sending a /start signal informs Better Stack that execution has begun, allowing it to detect and alert on frozen or hung processes that exceed expected runtime.

Updated: August 2026 • Verified v1.2

Crontab to Better Uptime Heartbeat Monitor Converter

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Period_Sec = Cron_Interval; Grace_Sec = Grace_Minutes * 60; Heartbeat_URL = https://betteruptime.com/api/v1/heartbeat/{token}

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Understanding Your Results

Parses standard 5-part cron schedules to compute expected frequencies and grace periods, generating an automated bash wrapper with exit-code handling and execution telemetry plus Terraform IaC resources.

Practical Guidance & Next Steps

Better Uptime heartbeats support /start, /fail, and ?duration=seconds query parameters. Sending /start allows Better Stack to alert you if a cron job runs longer than expected or hangs.

What is this?

A DevOps automation tool that converts cron schedules into Better Uptime heartbeat configurations and production bash wrapper scripts.

How does it work?

1. Enter your cron expression and Better Uptime heartbeat token. 2. Set grace period and target command. 3. Copy the hardened bash wrapper or Terraform provider block.

Why use it?

Prevents silent cron failures by ensuring Better Stack alerts your team whenever a scheduled backup or ETL job fails or hangs.

Technical Scope & Calculation Limitations

Standard POSIX cron expression translation to Better Stack API.

Frequently Asked Questions

A heartbeat monitor (or dead man's switch) expects your recurring background job to ping an endpoint periodically. If the ping is not received within the expected window, an incident is triggered.

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