Ubuntu backup script

backup.sh

#!/bin/bash

curr_date="$(date +%Y%m%d)"
base_path="/mnt/Elements/backup.$curr_date"

tgz_path="$base_path.tgz"
out_path="$base_path.out.log"
err_path="$base_path.err.log"

if [[ $EUID -ne 0 ]]; then
  echo "This script must be run as root." 1>&2
  exit 1
fi

echo "Backing up system in $tgz_path"
echo "Output redirected to $out_path"
echo "Errors redirected to $err_path"

nohup tar -cvpzf \
  "$tgz_path" \
  --one-file-system \
  --exclude=/dev \
  --exclude=/home/*/.gvfs \
  --exclude=/lost+found \
  --exclude=/proc \
  --exclude=/sys \
  --exclude=/var/run \
  / 1> "$out_path" 2> "$err_path" &