backup

https://www.experts-exchange.com/articles/18779/MySQL-MariaDB-and-ZFS-f…

https://serverfault.com/questions/842531/how-to-perform-incremental-con…

server
no jessie:

#
# define parameter
#

DIST=Debian_8.0
# or
# DIST=Debian_7.0
# DIST=xUbuntu_16.04
# DIST=xUbuntu_14.04
# DIST=xUbuntu_12.04

DATABASE=postgresql
# or
# DATABASE=mysql

URL=http://download.bareos.org/bareos/release/latest/$DIST/

# add the Bareos repository
printf "deb $URL /\n" > /etc/apt/sources.list.d/bareos.list

http://derek.simkowiak.net/backing-up-multiple-servers-with-rsnapshot/

http://www.debian-administration.org/articles/217

http://troy.jdmz.net/rsnapshot/

http://drupal.org/node/22281