Prepare build zone script for DU4

#!/bin/bash
WORKSPACE=/export/home/du4

apt-get clean
apt-get autoclean
apt-get remove libiconv-dev -y

APTLIST="/tmp/apt_sources.list"
APTLISTETC="/etc/apt/sources.list"

apt-get install -y  build-essential git dpkg-dev screen gmake

echo "" > $APTLIST
echo "deb [trusted=yes] http://192.168.0.2/dilos du4-prebuild main contrib non-free" >> $APTLIST
echo "deb-src [trusted=yes] http://192.168.0.2/dilos du4-prebuild main contrib non-free" 2>/dev/null >> $APTLIST
mv $APTLIST $APTLISTETC

rm -rf ${WORKSPACE} && mkdir -p ${WORKSPACE}
apt-get update -y
apt-get upgrade -y

env DEBIAN_FRONTEND=noninteractive apt-get install -y -f
env DEBIAN_FRONTEND=noninteractive apt-get install -y openssh-server