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#!/bin/sh
# CONTEXT: GUEST during CONSTRUCTION as ROOT
# PURPOSE: Install controller base required packages
set -e
set -o xtrace
export DEBIAN_FRONTEND=noninteractive
cat > "/etc/rc.local" << _EOF_
# Make sure to disable Linux kernel feature transparent huge pages,
# it will affect greatly both memory usage and latency in a negative way.
# See: http://docs.mongodb.org/manual/tutorial/transparent-huge-pages/
if test -f /sys/kernel/mm/transparent_hugepage/defrag; then
echo never > /sys/kernel/mm/transparent_hugepage/defrag
fi
if test -f /sys/kernel/mm/transparent_hugepage/enabled; then
echo never > /sys/kernel/mm/transparent_hugepage/enabled
fi
exit \$?
_EOF_
# see http://docs.mongodb.org/manual/tutorial/install-mongodb-on-ubuntu/
apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10
echo "deb http://repo.mongodb.org/apt/ubuntu "$(lsb_release -sc)"/mongodb-org/3.0 multiverse" \
| tee /etc/apt/sources.list.d/mongodb-org-3.0.list
apt-get update
apt-get install -y mongodb-org
# the following config changes are needed: smallfiles set to true, and bind_ip
# set to default
sed -i '/bind_ip/d' /etc/mongod.conf
sed -i '/smallfiles/d' /etc/mongod.conf
echo 'smallfiles = true' >> /etc/mongod.conf
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