#linux

Backup

# Backup
$ sudo dd bs=4M if=/dev/sde of=raspbian.img
# Or with compression
$ sudo dd bs=4M if=/dev/sde | gzip > rasbian.img.gz

# Restore
$ sudo dd bs=4M if=raspbian.img of=/dev/sde
# Or with compression
$ gunzip --stdout rasbian.img.gz | sudo dd bs=4M of=/dev/sde

Consistency Check

$ lsblk
$ sudo fdisk -l
$ sudo fsck -a /dev/sde2
$ sudo dosfsck -a /dev/sde1