sahara-extra/elements/hadoop_fedora/first-boot.d/99-setup

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#!/bin/bash
# Common
chown root:root /mnt
mkdir -p /var/run/hadoop ; chown hadoop:hadoop /var/run/hadoop
mkdir -p /mnt/log/hadoop ; chown hadoop:hadoop /mnt/log/hadoop
# Unique to Ubuntu
#mkdir /run/hadoop
#chown hadoop:hadoop /run/hadoop/
#mkdir -p /home/ubuntu/.ssh
#touch /home/ubuntu/.ssh/authorized_keys
#chown -R ubuntu:ubuntu /home/ubuntu
# Unique to Fedora
sleep 10
rm /etc/resolv.conf
service network restart
chown -R ec2-user:ec2-user /home/ec2-user
chown -R ec2-user:ec2-user /etc/hadoop
#TODO: configure iptables (https://bugs.launchpad.net/savanna/+bug/1195744)
iptables -F