#!/bin/bash

BACKUP_DIR="/backups"
CLIENTS="192.168.56.0/24"

EXPORTS_RECORD="$BACKUP_DIR $CLIENTS(rw,sync,no_subtree_check)"
sudo apt-get install nfs-kernel-server nfs-common
[ ! -d $BACKUP_DIR ] && sudo mkdir -p $BACKUP_DIR
sudo chmod 777 $BACKUP_DIR
sudo chown nobody:nogroup $BACKUP_DIR
if [ "`tail -n1 /etc/exports`" != "$EXPORTS_RECORD" ]; then
    sudo sh -c "echo \"$EXPORTS_RECORD\" >> /etc/exports"
fi
sudo exportfs -a
sudo service nfs-kernel-server restart
