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Questions tagged [uuid]

61 questions
34
votes
5 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
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32
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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
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16
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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
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9
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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
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8
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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
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7
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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
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7
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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
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7
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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: >>…
joejoejoejoe4
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7
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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
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6
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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
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5
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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
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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
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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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3
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1 answer

Change UUID under Linux?

I need to create and assign a new UUID to an ordinary disk partition under Linux. What tools are available and how do I use them?
goangit
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3
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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
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