#!/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
# Figure out what system we are running on
if [ -f /etc/lsb-release ];then
. /etc/lsb-release
elif [ -f /etc/redhat-release ];then
yum install -y redhat-lsb
DISTRIB_ID=`lsb_release -si`
DISTRIB_RELEASE=`lsb_release -sr`
DISTRIB_CODENAME=`lsb_release -sc`
DISTRIB_DESCRIPTION=`lsb_release -sd`
fi
# Do initial setup for the system
if [ $DISTRIB_ID == "Ubuntu" ]; then
# Fix grub-pc on Virtualbox with Ubuntu
export DEBIAN_FRONTEND=noninteractive
# Standard update + upgrade dance
apt-get update
apt-get upgrade -y
# 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 git-review gdb gdbserver
elif [ $DISTRIB_ID == "CentOS" ]; then
# Standard update + upgrade dance
yum check-update
yum update -y
fi
