# rdiff-backup /etc /mnt/backup
# ls /mnt/backup/hosts

# rdiff-backup -v5 /etc/ /mnt/backup

# rdiff-backup --compare /etc/ /mnt/backup

# rdiff-backup /etc /mnt/backup
# rdiff-backup --list-increments /mnt/backup/

# rdiff-backup --exclude /etc/ld.so.cache /etc /mnt/backup
# ls /mnt/backup/ld.so.cache

# cat exclude-list
/etc/wpa_supplicant
/etc/dump

# rdiff-backup --exclude-filelist exclude-list /etc/ /mnt/backup

# cp -a /mnt/backup/shadow /etc/shadow

# rdiff-backup /mnt/backup/rdiff-backup-data/increments/hosts.2015-03-19T20\:15\:46+01\:00.diff.gz /tmp/hosts

# rdiff-backup -r 7D /mnt/backup/hosts /tmp/hosts

# TZ='+1' rdiff-backup-fs /mnt/fuse /mnt/backup/
# ls /mnt/fuse/

# rdiff-backup --remove-older-than 5D /mnt/backup

# grep TotalDestinationSizeChange /mnt/backup/rdiff-backup-data/session_statistics.2015-03-15T10\:44\:06+01\:00.data

# gunzip -c /mnt/backup/rdiff-backup-data/file_statistics.2015-03-15T10\:44\:06+01\:00.data.gz | awk '$2==1{print}' | sort -k3nr,3

# ls -li hourly.*/localhost/etc/hosts

# rsnapshot configtest

retain    hourly       6
retain    daily        7
retain    weekly       4
backup    /etc/        localhost/

# vi /etc/cron.d/rsnapshot
0 */4 * * * root /usr/bin/rsnapshot hourly
30 3 * * * root /usr/bin/rsnapshot daily
0 3 * * 1 root /usr/bin/rsnapshot weekly

# cat .ssh/authorized_keys
command="/usr/bin/python /usr/bin/rdiff-backup --server",no-agent-forwarding,no-port-forwarding,no-user-rc,no-X11-forwarding,no-pty ssh-rsa AAAAB3NzaC1y[...]

# vi /etc/sudoers.d/rdiff
rdiff ALL=(root)NOPASSWD:/usr/bin/rdiff-backup

# rdiff-backup --remote-schema 'ssh -C %s sudo rdiff-backup --server' rdiff@192.168.56.105::/etc /mnt/backup

rdiff-backup rdiff@192.168.56.1::/etc /mnt/backup
rdiff-backup /etc/ rdiff@192.168.56.105::/mnt/backup

backup rsnap@192.168.56.1:/etc remoteA/