Questions tagged [uuid]

A universally unique identifier (UUID)

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After upgrade to ubuntu 23.10 from 23.04: ALERT! UUID=xxxx does not exist. Dropping to a shell!

Once I upgraded from Ubuntu 23.04 to 23.10 and I Can't boot to it anymore! Gave up waiting for root device. Common problems: - Boot args (cat /proc/cmdline) - Check rootdelay= (did the system wait ...
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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/...
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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 ...
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Accidentally deleted the system `uuidd` user and group -- which package to reinstall?

I accidentally deleted the system user uuidd and their group from my system. I want to reinstall the package they belong to, but when I look for the manual of uuidd on the net, it references the util-...
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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 ...
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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 ...
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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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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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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 ...
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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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How to increase the entropy to avoid the warning message: Available entropy is low

Linux 5.15.0-72-generic #79~20.04.1-Ubuntu I have the LAMP stack and solr installed on my Linux machine and quite a number of programs exchanging data using SSL sockets with other machines. After ...
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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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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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Ubuntu UUID error dropping to a shell

ALERT! UUID=XXX does not exist. Dropping to a shell. So I got this error. I found several solutions on forums to change from RAID to AHCI. I don't have that option (Acer Laptop). The SSD is ...
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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 &...
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How to change UUID of NTFS partition?

How to change UUID for NTFS partition?
Anton Samokat's user avatar
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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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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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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 ...
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Mass production for Ubuntu systems

I'm working on a project that is based upon an industrial PC. It runs Ubuntu 20.04 Desktop. Right now I finished the development and I have a PC with a ready-to-use environment: customized 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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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?
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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 ...
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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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Is it better to use UUID or PARTUUID to automount HDD with fstab?

I'm trying to setup my external harddrive to mount automatically on startup, following Akshit's terminal guide. I initially used the PARTUUID in `/etc/fastab' instead of the UUID: UUID=191486e0-6049-...
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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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Stuck in emergency mod, I tried something to get out, it get worse

edit : Sorry if I wasn't clear, I will try my best to be understable I'm STUCK in emergency mod and I did something stupid to solve my issue I edit the wrong UUID via edit/etc/fstab : I erased the ...
Julien20's user avatar
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671 views

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-...
Hiren Chafekar's user avatar
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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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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 ...
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How do I get a device's UUID?

When returning from sleep mode the LCD of my laptop shows only snowflakes (like analog tv with no signal). Unless I restart it nothing changes, no display output. I found this question where the ...
loko'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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Ubuntu 16.04.6 & 19.10, Debian 10: timed out boot; Multi-OSes share swap

I'm experiencing boot errors after a recent install of Multiple OSes. I noticed the long boot times watching the boot loading code go by and getting apparently stuck on a start job that takes 90 ...
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Does rsync requires changing UUID after copying a partition?

I read somewhere that after using rsync to copy a partition from one device to other one, it is important to edit the UUID, since devices cannot coexist with the same UUID. Is it true? How do I do it?...
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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
3 votes
1 answer
4k views

Unmount by UUID?

I'm building a script and am able to mount by uuid using mount -U UUID, but I can't seem o unmount by uuid. Is this type of operation possible? How would I do it? umount doesn't seem to have this ...
Sarah Szabo's user avatar
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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 ...
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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/...
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Blank screen after Sleep/Hibernate on ubuntu 18.04

I have the problem that if I sleep or hibernate on my pavillon G7 AMD A6-4400m apu with radeon hd graphics × 2 , the screen will never turn on again, backlight is on but lcd stays black. I tried to ...
Thundercoal's user avatar
9 votes
5 answers
39k views

How to change UUID in the /boot/grub/grub.cfg

I am asking how to change uuid in /boot/grub/grub.cfg, so that grub can load OS on a specified partition. I have two disks: SSD /dev/sda1 with uuid d7f0cf11-3edf-4859-b65a-3b5bc60ea7b9 HDD /dev/...
shijie xu's user avatar
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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. ...
Michael's user avatar
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Changing UUID for an LVM2_member

I have cloned my SSD and rebooted with a Live distro to change the corresponding UUID. Unfortunately when I run tune2fs -U {some_UUID} /dev/sda5 I get the error tune2fs: Bad magic number .... /...
Juan Leni's user avatar
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4 votes
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How to change mounted HDD UUID to human-readable?

I have Ubuntu 18.04.2 LTS installed on SSD, and I mounted HDD also for data. But when I did this, the UUID it has consists of random set of numbers and letter like this /mnt/9d79a504-bf86-4a1f-99e4-...
Ivan Sidaruk'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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update-grub assigns old UUID

I moved my Ubuntu partition following these steps and mostly everything went OK. I had to use some tools to fix some stuff but anyway, Ubuntu and Windows 10 boots fine. The problem is that whenever I ...
Deses's user avatar
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3 answers
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Ubuntu 18.04 not booting, UUID error

Suddenly my laptop stop booting. I have installed Ubuntu 18.04 and now when it's booting I'm getting this error. I searched it and tried all solutions I found but still not booting. Please don't mark ...
Dananjaya Ariyasena'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
Ing. Salvatore Picerno's user avatar