/etc/init/powernap.conf is in powernap 2.18-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | # powernap
description "PowerNap"
author "Dustin Kirkland <kirkland@canonical.com>"
start on runlevel [2345]
expect daemon
pre-start script
if [ -f /etc/default/powernap ]; then
. /etc/default/powernap
fi
if [ "$START" != "yes" ]; then
stop
exit 0
fi
if [ -x /etc/powernap/ethtool-command ]; then
# Allow for admin-customized ethtool commands here
/etc/powernap/ethtool-command
else
# Otherwise, try to enable Wake-on-LAN on valid interface(s)
for i in $(LANG=C /sbin/ifconfig | grep "encap:Ethernet" | awk '{print $1}'); do
if /usr/sbin/ethtool $i | grep -qs "Supports Wake-on: .*g"; then
/usr/sbin/ethtool -s $i wol g
fi
done
fi
end script
pre-stop script
powerwake-now || true
end script
exec /usr/sbin/powernapd
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