Uuid

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Definition

A Universally Unique Identifier (UUID) is an identifier standard used in software construction whose intent is to enable distributed systems to uniquely identify information without significant central coordination.

Typically, a UUID consists of 32 hexadecimal digits, displayed in 5 groups separated by hyphens, e.g.:

1c54e8c6-7847-48c8-90c3-af8060af197b

Getting UUIDs

To get a list of the UUIDs for your partitions:

  • open a terminal window
  • become root (type su and then enter your root password at the prompt)
  • use the command blkid

Blkid.png

The output shown is from a system running Mepis 8.

Getting UUIDs using the GUI

Open your file browser and to navigate to

/dev/disk/by-uuid

Hover your mouse over any of the links and observe the lower left portion of the window, you will see something like the following.

2e25faf2-64eb-40b4-9ea3-a8b95e2911a8 (block device, Link to ../../sda7)  

Links UUID on Wikipedia

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