To view a file system's UUID or Label,
>vol_id /dev/sda1
To change of an ext3 file system's UUID
>uuidgen
>tune2fs /dev/sda1 -U "new-uuid-number"
>vol_id /dev/sda1
To change of a ext3 file system's label
>tune2fs /dev/sda1 -L "new-label"
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