#!/bin/bash
BACKUPHOST=nkpc
BACKUPUSER=kasatkin
BACKUPFILE=/opt/pub/media/backup/`date +%Y-%m-%d-${HOSTNAME}`.tar.bz2

tar --create --bzip2 --preserve --file - --exclude="/proc/*" --exclude="/sys/*" \
--exclude="/tmp/*" / | ssh ${BACKUPUSER}@${BACKUPHOST} "cat > ${BACKUPFILE}"