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# Network UPS Tools (NUT) systemd integration
# Copyright (C) 2011-2025 by NUT contributors
# Distributed under the terms of GPLv2+
# See https://networkupstools.org/
# and https://github.com/networkupstools/nut/
# A rather blunt solution for system sleeping support, for cases where
# we can not use a native libsystemd "inhibitor interface". This helps
# avoid NUT shutting down a woken-up system just because its power state
# was critical before the sleep, and a next-read timestamp was not seen
# (deemed to be a stale UPS, meaning lost comms during critical state,
# so must go down ASAP).
[Unit]
Description=Network UPS Tools - sleep hook
Before=sleep.target
StopWhenUnneeded=yes
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/bin/systemctl stop nut.target
ExecStop=/usr/bin/systemctl start --no-block nut.target
[Install]
WantedBy=sleep.target
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