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- # check if entropy is too low
- # the alarm is checked every 1 minute
- # and examines the last hour of data
- alarm: lowest_entropy
- on: system.entropy
- class: Utilization
- type: System
- component: Cryptography
- os: linux
- hosts: *
- lookup: min -5m unaligned
- units: entries
- every: 5m
- warn: $this < (($status >= $WARNING) ? (200) : (100))
- delay: down 1h multiplier 1.5 max 2h
- summary: System entropy pool number of entries
- info: Minimum number of entries in the random numbers pool in the last 5 minutes
- to: silent
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