#!/bin/bash

# Copyright 2013 Rackspace, Inc.

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

# This script reboots by echoing into /proc/sysrq_trigger.

set -e

# Make sure all functions of sysrq is enabled.

echo "1" > /proc/sys/kernel/sysrq

echo "s" > /proc/sysrq-trigger

if [[ $1 = '-h' ]]; then

echo "o" > /proc/sysrq-trigger

elif [[ $1 = '-r' ]]; then

echo "b" > /proc/sysrq-trigger

fi