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init/scripts/ifdown.sh
David Oberhollenzer 258848ace2 Add ifdown service
Add a service file and helper script to shut down all network interfaces
during shutdown or reboot.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-07-17 18:02:46 +02:00

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#!/bin/sh
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
# Copyright (C) 2018 - David Oberhollenzer
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
for IFPATH in /sys/class/net/*; do
[ "$IFPATH" == "/sys/class/net/lo" ] && continue
IF=`basename $IFPATH`
ip link set dev "$IF" down
done