Questions tagged [uuid]
A universally unique identifier (UUID)
116
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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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0
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61
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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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40
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Help with booting issue
When I boot up I get this message and can’t log on.
[ 0.185085] ×86/cpu: SGX disabled bBIOS.
Gave up waiting for root file system device.
Common problems:
Boot args (cat /proc/cmdline)
Check ...
- 11
1
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0
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614
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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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1
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0
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85
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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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119
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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-...
- 11
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53
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Upgraded from 20.04 to 22.04 on Dell T7920, panics to Initramfs prompt (Dual Boot System)
After upgrading a few old thinkpads to 22.04 I got too confident and upgraded my Dual Boot T7920 (20.04/win10). I have a basic RAID 0 setup with the partition split for both Operating Systems.
I ...
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0
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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/...
- 2,091
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1
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354
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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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1
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251
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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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1
answer
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1
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1
answer
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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 ...
- 11
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0
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217
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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 ...
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0
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0
answers
587
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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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1
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1
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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 ...
- 477
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0
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2k
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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 ...
- 21
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0
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34
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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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291
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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 ...
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2
answers
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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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232
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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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1
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97
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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 ...
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1
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0
answers
631
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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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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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0
answers
1k
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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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1
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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 ...
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1
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1
answer
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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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1
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840
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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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2
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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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865
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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: ...
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1
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1
answer
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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 ...
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267
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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 -...
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0
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0
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259
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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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0
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815
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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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1
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1
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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 ...
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5
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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/...
- 241
3
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352
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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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2
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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 ....
/...
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4
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2
answers
2k
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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-...
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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, ...
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1
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1
answer
1k
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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 ...
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3
answers
8k
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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 ...
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1
answer
2k
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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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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, ...
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42
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3
answers
30k
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Swap: From partition to file, now get "no matching swap device is available"
Running Ubuntu 18.04, I changed from a swap partition to a swap file.
swapon -s (summary) and free show the swapfile with the new size. /etc/fstab was changed, permission on the swapfile changed and ...
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3
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1
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845
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Is a hdd's uuid constant? [duplicate]
I know you can change the uuid if you choose, but if left alone does it remain the same. Specifically I'm upgrading my motherboard but am unsure if I'll need to alter my fstab with new uuids or if ...
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