HD Info

sudo vol_id /dev/hdb(*)
lsusb

/etc/default/console-setup
/sbin/vol_id
/dev/disk/by-uuid
/proc/sys/kernel/random/uuid
/var/lib/dbus/machine-id
/etc/machine-id
/sys/class/net/eth0/address

Generator

/proc/sys/kernel/random/boot_id