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Questions tagged [uuid]

67 questions
43
votes
6 answers

How to change vfat partition UUID?

How do I change the UUID of a vfat partition? For ext2 / ext3 / ext4, this is done with a simple: tune2fs -U /dev/ Is there a similar command for vfat partitions?
friederbluemle
  • 1,112
33
votes
10 answers

How can I generate a UUID from the command line in Windows XP?

How can I generate a UUID from the command line in Windows XP? Something like "uuid" or "uuidgen" in Linux.
yazz.com
  • 3,361
19
votes
1 answer

How can I fix "uuid/uuid.h - No such file" error in CentOS

I am running CentOS 7 (64 bit). I am trying to build a project and I am getting this error. fatal error: uuid/uuid.h: No such file or directory #include ^ compilation terminated. make: *** [all] Error 1 Is this…
SyncMaster
  • 1,899
11
votes
1 answer

What is system uuid on windows and why cant it be easily changed

I was installing some software and it said that the locking criteria is the system UUID. Now I know what UUID stands for. I know they are unique and are 128 bits long. I know how to generate them from a windows power shell. But my question is what…
Sab
  • 707
9
votes
1 answer

UUID and Drive Cloning

When cloning a drive (using dd), will the UUID's for each partition change, or are they hardware specific? or does cloning it preserve the UUID as well? What happen if a system detected two devices with the same UUID?
Matt Clark
  • 2,104
7
votes
3 answers

Why Linux /etc/fstab UUIDs are case sensitive?

I recently added a line for a USB memory stick to /etc/fstab, to be able to mount it automatically, using UUID to identify the device. Before I already have several external ext4 drives that have their UUIDs written in lowercase hexadecimal chars…
nrz
  • 183
7
votes
2 answers

How does one change the UUID of a Volume on Mac OS X to a SPECIFIED value?

This is similar to the question asked here: How does one change the UUID of a Volume on Mac OS X 10.6? Only difference is I want to change it to a specific value, not a random one. The hfs.util only seems to do random. I considered modifying the…
bowmasters
  • 155
7
votes
3 answers

Motherboard missing serial number and UUID?

I have several machines I have networked together and I use information about the motherboard to uniquely identify them. This is the Windows PowerShell code I use to get it: >>…
EllipticalInitial
  • 1,800
7
votes
6 answers

How does one change the UUID of a Volume on Mac OS X 10.6?

Does anyone know how to change the UUID of a Volume? The background for this question is that I have a duplicate UUID issue: I have /Volumes/OldMacHD with a UUID of XYZ. I have /Volumes/Mirror1 with a UUID of XYZ (same UUID! I bet that's because…
Emmel
  • 351
6
votes
3 answers

how do I fix a wrong UUID in grub.cfg?

I run Debian Wheezy alone on my PC and I recently copied the root partition to another with rsync as I found that worked well (I also know about dd and ddrescue but they leave unusable space on the new partition). I generated a new random UUID for…
mozerella
  • 63
6
votes
2 answers

Module not found: Can't resolve 'uuid/v4'

I am a beginner in React programming and I was following this tutorial in Youtube: https://youtu.be/hQAHSlTtcmY and everything went well until it was required to install uuid library and after that when I run the page I get an error saying: "Failed…
Jokamutta
  • 63
4
votes
1 answer

Why does Ubuntu mount the wrong partition as root?

I am messing around with a problem of Ubuntu mounting a backup of my root partition residing on a different disk as / instead of the real one. I think the problem has been triggered by a clash of UUIDs caused by cloning the root partition to a…
Thomas Arildsen
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4
votes
2 answers

How do I permanently reset the UUID of an LVM partition?

A (dd cloned) backup of my boot partition left me with duplicate UUIDs. blkid shows: /dev/sda1: UUID="32579810-0388-416d-bb49-7031ac2c2975" TYPE="ext4" ... /dev/mapper/raidgroup-osbackup: UUID="32579810-0388-416d-bb49-7031ac2c2975"…
Thomas Arildsen
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4
votes
1 answer

Mount by UUID or LABEL

In Linux it is possible to mount a device (disk) by UUID or label. I have used UUID for a while mainly because I was picked up a discussion on IRC that mounting by label was a really horrible idea. I fail to see why mounting by label would be a bad…
Waxhead
  • 1,300
4
votes
1 answer

Windows partition UUID vs Linux partition UUID

Trying to match partitions seen from Windows with those seen from Linux is mostly not that complicated, but isn’t always straightforward. In trying to do this I’ve found there are a lot of things that I don’t quite understand. Let me know if I’ve…
Moilleadóir
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