#!/bin/bash
# Make sure that we get the hugepages we need on provision boot
# Note: The package install should take care of this at the end
# But sometimes after all the work of provisioning, we can't
# get the requested number of hugepages without rebooting.
# So do it here just in case
sysctl -w vm.nr_hugepages=1024
HUGEPAGES=`sysctl -n vm.nr_hugepages`
if [ $HUGEPAGES != 1024 ]; then
echo "ERROR: Unable to get 1024 hugepages, only got $HUGEPAGES. Cannot finish."
exit
fi
if [ "$(uname)" <> "Darwin" ]; then
OS_ID=$(grep '^ID=' /etc/os-release | cut -f2- -d= | sed -e 's/\"//g')
OS_VERSION_ID=$(grep '^VERSION_ID=' /etc/os-release | cut -f2- -d= | sed -e 's/\"//g')
fi
# Do initial setup for the system
if [ "$OS_ID" == "ubuntu" ]; then
export DEBIAN_PRIORITY=critical
export DEBIAN_FRONTEND=noninteractive
export DEBCONF_NONINTERACTIVE_SEEN=true
APT_OPTS="--assume-yes --no-install-suggests --no-install-recommends -o Dpkg::Options::=\"--force-confdef\" -o Dpkg::Options::=\"--force-confold\""
# Standard update + upgrade dance
apt-get update ${APT_OPTS} >/dev/null
apt-get upgrade ${APT_OPTS} >/dev/null
# Fix the silly notion that /bin/sh should point to dash by pointing it to bash
update-alternatives --install /bin/sh sh /bin/bash 100
# Install useful but non-mandatory tools
apt-get install -y emacs x11-utils git-review gdb gdbserver xfce4-terminal iperf3
elif [ "$OS_ID" == "centos" ]; then
if [ "$(echo $DISTRIB_RELEASE | cut -d'.' -f1)" == "7" ]; then
rpm -ivh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
yum groupinstall "X Window system" -y
yum groupinstall xfce -y
fi
# Standard update + upgrade dance
yum check-update
yum update -y
fi