linux desktop backup

backup.sh

#!/bin/bash

set -e

#cryptsetup luksFormat -c aes-ecb-plain -s 128

#open, mount
cryptsetup luksOpen /dev/disk/by-uuid/e0f51d72-1331-4663-a4ac-281cacdbe691 backup
mount /media/backup

#backups

#mbr
dd if=/dev/sda of=/media/backup/sda-mbr.bin bs=512 count=1

#lvm snapshot of system
lvcreate -l100%FREE -s -n root-backup /dev/wd15/root
dd if=/dev/wd15/root-backup of=/media/backup/ubuntu.img
lvremove -f /dev/wd15/root-backup

#rsnapshot non-system data
rsnapshot -v daily

#umount, close
umount /media/backup
cryptsetup luksClose /dev/mapper/backup

#poweroff
DEV=`blkid | grep abf0f360-6e96-4df4-b500-a70898ab5a72 | awk -F: '{ print $1; }'`
DEV=${DEV:5:3}
echo 1 > /sys/block/$DEV/device/delete