Questions tagged [uuid]

A universally unique identifier (UUID)

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Why is setting the UUID on a checksummed filesystem so slow, and should I be worried?

I cloned a drive, and now I am trying to change the UUID of the cloned drive. There are various answers on AskUbuntu as to how to do this. I was prompted to run a fresh e2fsck first, which I did. ...
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Custom kernel giving an error ALERT! UUID=<my-/dev/sda5-uuid> does not exist. Dropping to shell

I have compiled and installed a custom kernel version in Ubuntu 22.04 by following the instructions in https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel Now when I select my new customized kernel (5....
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Problems with libblkid

This message showed a lot of times: udevadm: /usr/local/lib/libuuid.so.1: no version information available (required by /lib/x86_64-linux-gnu/libblkid.so.1) or this: blkid: /usr/local/lib/libuuid....
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update-grub error : resume=UUID=xxx not found

I'm currently trying to get hibernation working and I therefore change the GRUB_CMDLINE_LINUX_DEFAULT to "resume=UUID=xxx" where xxx is my swap partition UUID. But it shows me the error error : ...
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What needs to be taken care of after changing the UUID of the EFI system partition?

I need to change the UUID of my EFI partition (background: see below). After changing the UUID -- what do I need to take care of (in order not to mess up the system)? Background: After installing an ...
stack_horst's user avatar
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When I mount a certain partition under the DISKS app it adds a "1" to the mount point UUID?

I do not understand why when a certain hard drive partition is mounted using the DISKS utility app it adds a "1" to the UUID for the mount point location. When I do this on another partition ...
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Booting issue: ×86/cpu: SGX disabled BIOS

When I boot up I get this message and can’t log on. [ 0.185085] ×86/cpu: SGX disabled BIOS. Gave up waiting for root file system device. Common problems: Boot args (cat /proc/cmdline) Check ...
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Multiple partitions with same UUID, grub error, cannot boot

I'm quite new to Linux so I thank you in advance for your patience as I'm learning. I'm running Ubuntu 20.04, and I recently got a grub error at startup -- this one: https://www.geeksforgeeks.org/how-...
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How to fix lvm PV name "[unknown]" without forcing the removal of second PV from VG : WARNING: Couldn't find device with uuid CdlY5k-IynC-hYTX-hH3h-Ha

After I accidentally created a GPT label on /dev/sdb, I need to fix the PV NAME "[unknown]" (which was /dev/sdb previously) : $ sudo pvs PV VG Fmt Attr PSize PFree /dev/...
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Unable to boot, UUID does not exist

I am a new Linux user; I've consulted other forum posts to the best of my ability but I have not been able to figure this issue out on my own. This is a Dell Inspiron 7856, recently installed Ubuntu ...
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Lost UUID on RAID devices after reboot

I'm looking for a bit of help trying to figure out why I can not reassemble a RAID after reboot. I have tried: sudo mdadm --assemble --scan My previous /etc/mdadm/mdadm.conf is as follows. The RAID ...
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Error 13: Invalid or unsupported executable format

I installed Ubuntu alongside Windows 10. The Ubuntu setup instructed me to restart the system. After I restarted it automatically boots into Windows. I used easyBCD to add the entry of Ubuntu in boot-...
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External USB drive keeps unmounting and remounting using different UUID

I got a 10TB external drive that I use for backups. I normally mount it using fstab and identifying it by its UUID. However, recently it started unmounting spontaneously - and then remounting using ...
uniomni's user avatar
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Kernel downgrade, UUID not found initramfs

I have a freshly installed 18.04 box. Updates were installed and rebooted. It's running kernel 4.15.0-74 without an issue: root@restore:~# uname -a Linux restore 4.15.0-74-generic #84-Ubuntu SMP Thu ...
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SSSD with "ldap_id_mapping = false" will fail to start, clearing /var/lib/sss/db/* and restarting service does not resolve

I’m working through a strange issue with SSSD on Ubuntu 18.04 - Unit is bound to the domain using Realmd, with SSSD as the primary authentication management service. If I change the line: ...
scotchman's user avatar
1 vote
1 answer
2k views

How to get UUID partition form a given file path in Python

How to get the UUID partition of a given file path in Python, in Ubuntu/Linux
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234 views

luksOpen command context

When using luksOpen, does one specify the UUID and the PARTUUID. Which goes first? On trying to post the above sentence, AskUbuntu robocop said it does not meet "our quality standards". I cannot be ...
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1 vote
2 answers
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Emergency Mode, Can't Log In

I am using Ubuntu 16.04 on VirtualBox, and I have been trying to move my home directory to a different partition today. Now, I can no longer log in. As it starts booting up, it goes through the ...
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Files are not shown on mounted partition that is booted from LiveCd

I need help. I have installed Arch after Ubuntu and Elementary OS, and after that my grub was messed up, and I was unable to boot again in Elementary OS. So I decided to backup my files from home ...
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Adding second hard drive

I have been trying to set up a secondary hard drive to compliment my smaller SSD drive ... I have been having trouble following the howto posted. Some how I can create the "mount point " mynewdrive" ...
C K's user avatar
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Degraded mdadm RAID5 array & ARRAY UUIDs mismatch (Ubuntu 14.04.1)

Every reboot on my server results in a halt due to a degraded RAID5 (software) array. The same drive /dev/sdc appears to be dropping out each time. I ignore and boot with a degraded array any ways. ...
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uuid=xxxx does not exist

I have installed ubuntu22.04 and window11 double systems on my ROG zephyrus 16. Two systems work quite well previously but today when I switched from window to ubuntu, I found that it gave me an error....
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Tried to fix loops in kernel upgrades that said couldn't find UUID and fix with RESUME but always gave me generic kernel instead of updating it

I had updated my Kubuntu 23.04 to 23.10 and though I was told that in everyday updates, that the system not finding the right UUID is normal (which I never understood because why make new kernels/...
MichaelTheGamer's user avatar
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How do you set up GRUB after duplicating a drive with Clonezilla in the same PC?

My context (to avoid the XY problem) I have a 500GB SSD that may be failing and is now too small. After a thorough backup, I will replace it with a 1 TB drive in the same slot and move the 500GB to ...
Matthew's user avatar
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How to fix BusyBox Initramfs Error on Ubuntu 22.04 , showing many types of error

I am getting boot failure with this message on ubuntu 22.04: [ 0.131760] x86/cpu: SGX disabled by BIOS. [ 1.974254] nvme nvmeo: failed to set APST feature (2) Gave up waiting for suspend/resume Gave ...
Saurav Singh's user avatar
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179 views

Gave up waiting for root file system device in ubuntu 22.04

My laptop has ubuntu 22 and windows OS installed. Ubuntu was logged in. Mistakenly, I forgot to plug the charger and battery drained. When I tried to restart, I can see grub menu, but then it loads ...
TalESid's user avatar
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Gave up waiting for root file system device...HELP

This is what it's showing me. I'm not very familiar with Ubuntu, and this is a pain in the ass. I can't do anything only, type commands at the initramfs prompt. I have been trying to figure it out, ...
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trouble using system-uuid for specific autoinstall config

I'm encountering difficulties fetching a specific #cloud-config file based on the SMBIOS UUID during the installation of Ubuntu 22.04 virtual machines using autoinstall. I have a general #cloud-config ...
lveltmaat's user avatar
0 votes
1 answer
648 views

fstab can't find (mount) USB drive - any ideas?

I just cannot get fstab to mount a drive! Have added entry in fstab: UUID=CC89C1B5 /media/USB vfat nosiud,nodev 0 0 When I run sudo mount -a (to mount all in fstab) it gives error: "can't find &...
Timo001's user avatar
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265 views

Virtual box+Ubuntu:Timed out waiting for device error on boot

I have Ubuntu 21.04 installed on Virtual box running on Windows 10 Home. Everything is fine but after some operations there is an issue when I go to boot. I updated APT package information like enter ...
wei wei's user avatar
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978 views

BLKID doesn't show external hdd UUID

On my raspberry Pi, I am using two external HDDs. OS is Ubuntu Server 20.04.2 LTS. The first one is a small WD elements that automount perfectly well (USB connected) The second one is a big WD drive ...
Edwin's user avatar
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How to get drive IDs like c0t1d0?

In the documentation to ZFS there are always drive IDs like c0t1d0 mentioned. I only know about UUIDs which are much longer and /dev/sd? How to get the IDs used?
Christian's user avatar
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1 answer
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Problem with grub update

I really start hating grub, because obviously updating grub is kind of a gamble. I did a normal update of grub from Ubuntu, and there was no error message or question or whatever, but after ...
Walter Benzing's user avatar
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0 answers
316 views

Ubuntu doesn't work :UUID=xxxx does not exist

My computer has two operating systems, Windows 10 and Ubuntu 18.04. Today, when I tried to get into Ubuntu (I already laid it aside for about one week), the whole screen showed pure purple for at ...
OilLight's user avatar
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0 answers
255 views

Help! Startup configuration error. initramfs-tools RESUME=UUUID=(uid swap)

I updated my system (I use Ubuntu 20.04) through the command line; as always and it gave me the error message: $ sudo apt-get upgrade Leyendo lista de paquetes... Hecho Creando árbol de ...
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115 views

Ubuntu 18.04 crash

I have problem with Ubuntu 18.04 which is currently I am stuck at this screen. Does that mean I should reinstall Ubuntu or there is something I can do to fix the problem? If not how can I get out of ...
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320 views

Unable to mount External HDD missing NTFS and UUID

I need some help! The facts: I was trying to mount a microSD card while my external HDD (Samsung M3 Portable) was plugged and sth went wrong after these mistakes at command line: sudo wipefs --all -...
Leroy's user avatar
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NFS - file system UUID and label changed during crash

I was streaming a movie over NFS and it cut out about 1 hr in. The drive was in a 4 x 4 tb box. The drive with the movie (drive 2) on it now won't mount at boot. I took a look at the label and the ...
GnomGnom's user avatar
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1k views

Does the uuid from lsblk -f need to match uuid in /etc/fstab

Ouput from lsbk -f NAME FSTYPE LABEL UUID MOUNTPOINT loop0 squashfs /snap/...
StevenW's user avatar
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swap uuid on boot

I am a beginner (please be patient :)) and have a question regarding swap uuid. A couple a days ago I have played with swap space and ever since the boot process slowed down. What I did: swapoff, ...
J. Doe's user avatar
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Ubuntu booting stops after grub with initramfs error

My Ubuntu system is not booting and stops at initramfs error as shown in the snapshot below. I have tried to enter exit as suggested by @ramsudharsan in Boot drops to a (initramfs) prompts/busybox, ...
Sooraj S's user avatar
  • 1,101
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206 views

how to fix fstab of one Ubuntu from older Ubuntu in multi-boot system

I have an old desktop PC (64bit) and an old laptop (32bit), on each I have 2 Windows and at least 2 Linux distros . At the moment I have Ubuntu 14.04.5 LTS Ubuntu 16.04.2 LTS installed. After ...
abo sal's user avatar
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1 answer
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Bootup doesn't follow /etc/fstab

Good morning, I have a media server that has a total of 22 drives. OS, OS Backup and then the media drives. This is Ubuntu 15.10. I have utilized the UUID for setting up the /etc/fstab file. When ...
ml41782's user avatar
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1 answer
1k views

Boot failure - goes to BusyBox - 'gave up waiting for boot device'

G'Day all Have tried installing 14.04.1 LTS on its own partition, then emptying the whole HDD and putting on and having similar results - 'gave up waiting for boot device' '/dev/disk/by-uuid/!...
assemblism's user avatar
0 votes
2 answers
182 views

Permissions - Listing uid

Two part question: What is a world-writeable directory and file? I'm looking for a script that would display the directories on all partitions of a server, that are not owned by root or a system ...
rob's user avatar
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1 answer
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How to use 'rsync' to copy ubuntu system to another disk?

I use LiveCD and rsync -av to copy ubuntu system to another disk(same machine). What needs to be revised? UUID in boot.cfg. UUID in fstab. Anything else? Do I need to revise 'initramfs'? Thanks
waterloo2005's user avatar
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0 votes
1 answer
2k views

blkid encrypted partition to get UUID

Partition is created with: cryptsetup -y create tmp1 /dev/sdc3 sudo blkid /dev/sdc3 gives nothing and partition sdc3 cannot be mounted. Am i rigth that partition created with cryptsetup create ...
Vyacheslav's user avatar