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# Licensed to Hortonworks, Inc. under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. Hortonworks, Inc. licenses this file
# to you 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.
echo "# Do not remove the following line, or various programs" > /etc/hosts
echo "# that require network functionality will fail." >> /etc/hosts
echo "127.0.0.1 localhost.localdomain localhost" >> /etc/hosts
function get_inet_iface(){
route | grep default | awk '{print $8}'
}
function get_ip() {
ip addr | grep 'inet ' | grep -E "($(get_inet_iface))" | awk '{ print $2 }' | awk -F'/' '{print $1}'
}
HOST=$(get_ip)
NUM=5
while [ -z "$HOST" ]; do
HOST=$(get_ip)
sleep 5
NUM=$(($NUM-1))
if [ $NUM -le 0 ]; then
HOST="127.0.0.1"
echo "Failed to update IP"
break
fi
done
echo "$HOST `hostname`" >> /etc/hosts
echo 0 > /proc/sys/kernel/hung_task_timeout_secs
ethtool -K $(get_inet_iface) tso off
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