Linux, UUID

I get that a UUID is a unique identifier

But could someone please explain what that means in a broader term

Also, what if my application is throwing errors saying it can't create a UUID

What would that mean, and how would I fix it ?

Thanks
Los Angeles1Asked:
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Joseph GanConnect With a Mentor System AdminCommented:
UUIDs are most often used to identify block device in Linux, and also it is stored in the superblock of the block device. So if your application couldn't create a uuid, may be you have bad block device?
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MazdajaiCommented:
In a border term, it ensure there is no duplicate or conflict with the existing entries.

In my experience UUID errors is due to missing / bad config files. But without better understanding of the application, this is all I can comment on.
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