xset -q | sed -rn 's/.*LED mask.*(.)[[:xdigit:]]{3}/\1/p'
https://yandex.ru/images/search?text=%s
~ $ sudo fdisk -l|grep -e "Disk /dev/" -e "Disk identifier:"
Disk /dev/sda: 111,8 GiB, 120034123776 bytes, 234441648 sectors
Disk identifier: 0x8aff708f