Obtener UUID de Disco duro

http://liquidat.wordpress.com/2007/10/15/short-tip-get-uuid-of-hard-disks/

Obtener el UUID de un disco para identificarlo a la hora de montarlo, es un identificador único que prácticamente  no se repite..

1 trillion UUIDs would have to be created every nanosecond for 10 billion years to exhaust the number of UUIDs. 

Obtener el UUID

$ ls -l /dev/disk/by-uuid
lrwxrwxrwx 1 root root 10 11. Okt 18:02 53cdad3b-4b01-4a6c-a099-be1cdf1acf6d -> ../../sda2


$ blkid /dev/sda1

/dev/sda1: LABEL="/" UUID="ee7cf0a0-1922-401b-a1ae-6ec9261484c0" SEC_TYPE="ext2" TYPE="ext3"