shutdown-at-night - 0.21 main

With this tool you can schedule regular shutdowns of workstations in the
evening, and also wake them up every morning, using either nvram-wakeup, ACPI
wakeup or wake-on-lan.
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For the wake-on-lan wake-up sequence you need one awake machine on your local
network / subnet. This can be a server machine or a client machine that got
just previously woken up by nvram-wakeup.
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The shutdown sequence will be initiated hourly after 4pm via a CRON job.
However, only machines that appear inactive / unused will be shut down.
Machines that are currently in use will remain up and running.
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The Shutdown-at-Night tool can be activated via a config file or via
membership in a NIS netgroup called shutdown-at-night-hosts.