Utils

Safely unplug

unmount mount-point
echo 1 | sudo tee /sys/block/sdX/device/delete

Change UUID

tune2fs /dev/sdX -u {uuid}
cryptsetup luksUUID /dev/sdX0 --uuid {uuid}
# bsd
gpart list
geom disk list
camcontrol devlist
# linux
lsblk

Find device type

file -sL /dev/sd*