Questions tagged [data-loss]

Questions about the loss and recovery of data.

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Warn when other workspace session is open or when programs still running (20.04)

When pressing the "Power Off" button in Ubuntu 20, is there a way to prevent the system from shutting down when any programs (especially in other workspaces) are still open? Or to at least ...
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37 views

I lost my Data while installing Ubuntu [duplicate]

I installed Ubuntu in my Laptop today and i accidentally deleted all the partitions and data along with it. Now my Computer is blank af. Is there any way i can recover my data?? Pleasee
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Data recovery / parition recovery

i had a 4 disk nas device setup in single disk mode which lets me use each disk individually yesterday one of the disk disappered i took the disk out and i plugged it to my windows pc but since it was ...
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24 views

After updating to Ubuntu 20.04.2 LTS. Access 2016 tables stored on the server are behaving strangely

I have a microsoft access table backend stored on the server and 4 users on windows desktops logging into database with the tables being used as link tables. This has been running since 14.4 upgrade ...
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219 views

LUKS encrypted disk gives error: “wrong fs type, bad option, bad superblock on” on mount

Okay, I think I somehow just lost all of my data. I installed Ubuntu 20.04 on one disk. In the installer (using the "other"-option for manual installation), I used one partition for /boot, ...
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42 views

Kubuntu/Ubuntu - easy way to data loss (“Safely remove” is NOT safe!)

In short Be careful: When you do "Safely remove" on your removable device, like USB stick, do not feel safe while removing it from the port. Longer story I was shocked last weekend when I ...
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31 views

I want to install Ubuntu without losng data on other partitions [duplicate]

I have two partitions D and E. In D window is installed and in E I have imporatant data. I want to remove windows and install ubuntu but without losing any data on E. How should I do it.
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1answer
36 views

How do I Install Ubuntu for all my purposes by removing Windows 10 without loosing my other data files?

I have installed a SATA 480 GB HDD dedicated for the C drive. This does not have any partition. I kept the old HDD with the PC and that has 4 partitions. I also added an 8 GB of RAM with the previous ...
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90 views

Wrecked my partitions with testdisk

I used to have partitions for Windows and Linux(had dual-boot) on my SSD, but then I broke the partitions with testdisk (because I didn't know what I was doing). And now it looks like this: $ sudo ...
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94 views

exFAT unmount error results in lost files that I can't remove

I was writing Data to an external exFAT HDD when power to my system was interrupted. This wasn't an issue for my main drive since it uses journaling and recovered fine. My trouble is with the external ...
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124 views

Files lost by encfs

I would like to ask you for a help. I recently used the software encfs in my ubuntu 18.04 laptop. I created a new stash using the same software in my desktop. I would like to list the steps.... I ...
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127 views

Memu emulator error showing in the application

My memu player shows weird massages(errors) saying "unfortunately memu lucher has stopped" or "unfortunately google.service.apps.gapps has stopped." I cant open any app and the ...
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1answer
588 views

zfs dataset missing after reboot

I have a compressed encrypted zfs dataset that seems to have gone completely missing. There are quite a few google hits for 'zfs missing dataset' or similar, and they're almost always something like ...
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2answers
46 views

New instance every time while using ubuntu 20.04 in a bootable pendrive [duplicate]

I just installed ubuntu 20.04 in bootable pendrive.I wanted to use ubuntu in bootable pendrive,as my laptop has no free space in harddisk.Whenever i boot ubuntu 20.04 using bootable pendrive it shows ...
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1answer
88 views

Repairing/Reinstalling Ubuntu 18.04.4

I have a 32-bit ubuntu 18.04.4 installed in my i386 laptop which is acting up. I want to repair/reinstall my OS but I can't find any 32-bit version of Ubuntu on their website. What can I do to repair/...
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1answer
261 views

Will I lose the already installed applications if I upgrade from ubuntu 18.04 to 20.04

I spent a lot of time installing several extensions and third-party applications from the software centre in ubuntu to customize the look and feel of the os. Also, I have a lot of Softwares installed ...
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71 views

How to access data after mistakenly partition changed from NTFS to Ext4?

Recently, I was trying to install Ubuntu on my Laptop.Laptop Specifications are as follow: Dell Inspiron 15 3000 HardDisk: 1Tb RAM 4GB During the ubuntu installation process, there was a step when we ...
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50 views

How to recover data when ubuntu os is overwritten on ubuntu server?

My system was pre-installed with ubuntu server. I replaced the ubuntu server with a fresh ubuntu-desktop 18.04 installation. I created a partition for boot/efi as FAT32. While performing installation ...
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216 views

Is there a way to recover a files deleted on Ubuntu system that's running in VirtualBox?

I need help recovering my accidentally deleted files. I'm running an Ubuntu OS inside a Virtualbox virtual machine and accidentally deleted a folder. I had a venv in my home directory that got ...
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1answer
653 views

Best way to copy files from a hard disk with no OS

I have a 1 TB hard disk with no OS in it. What will be the best way to copy files to an external hdd from unaffected partitions? I have a Live Windows USB. I learnt that you can boot into Command ...
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1answer
83 views

CSV flies lost when transferred

I changed my OS from Linux to Windows 10 a week back. I saved a few CSV files and some code. After clearing the hard drive and making the switch, I realized that the CSV files were saved in this ...
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1answer
64 views

Safest way to duplicate failing sd card

I have a 64 gb SD card that is starting to have problems. I want to duplicate as much of it as I can. Is DD the safest/best option to deal with failing sd cards?
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23 views

Restoring from Lost+Found

I did the most stupid thing. I was resizing the home partition with GParted and decided to cancel the process after a few minutes. Now the whole partition is in the Lost+Found folder. All folders and ...
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212 views

MySQL files have been deleted all of a sudden

I have an Ubuntu 14.04 instance running the LAMP stack. Everything was working fine. Yesterday all of a sudden, the server started denying access to login via root. After a couple of trials, I gained ...
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333 views

ZFS, Ubuntu 18.04 - Loss of recently written data

I have some audio files that are copied to a ZFS filesystem, but after opening most them with VLC for a few minutes, Files and VLC crashed, and I am left with none of the audio files in the directory. ...
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123 views

Losing all of my files suddenly

So a very strange just happened, I wanted to eject my usb, I got a message that a some program is using the USB and I must wait, I ignored it and continued ejecting the USB like I always do (I ...
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416 views

formatted my external ext4 HDD to exfat by mistake - any way to get the data back?

I know this type of question is frequent, but mostly they seem to relate to only deleting a partition, and not a case where a new partition has been made afterwards. The different guides says Testdisk ...
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1answer
173 views

External hard disk erased?

everyone! I'm an Ubuntu and tech rookie, so here's my question! I had my PC made double-boot (Windows and Ubuntu). However, my external hard disk could not be read by Ubuntu. Given this, I emptied it ...
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19 views

How to restore data part by part after dd? [duplicate]

I wiped out data on external HDD (NTFS) by dd. Wanted to write ISO on usb-stick. But I don't have any storage that could embrace volume of those external HDD. So I need to safe part of data here and ...
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121 views

Lost all gnome settings after reboot

I had my system up and running for about one year (many personalizations I've made to my system) and today my system froze because there was no space left on /home after I restarted the system and ...
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0answers
39 views

Lost Data after installation [duplicate]

I wanted to get rid of Windows so I made bootable USB and installed Ubuntu but what I see now is I have only one disk "Computer" which has 290GB free and 4.5 GB used . In Windows I had 3 disk namely C ...
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2answers
2k views

ext4 data recovery

So yesterday I followed this guide : https://www.supergrubdisk.org/wiki/SGD_Howto_make was making a key for a friend and I typed (don't type this) sudo dd if=super_grub2_disk_hybrid_2.02s9.iso of=/...
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362 views

Locked my screen with xtrlock on a Live Disk and now can't unlock

I'm running Photorec data recovery on a 2TB external disk using an Ubuntu LiveUSB, and wanted some way of locking the screen and protecting it from feline sabotage while still being able to see what's ...
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3answers
902 views

Lost all the directories with sudo rm -rf ~/.local/share/Trash/* in ubuntu 16

I was unable to empty my trash so I used the below command: sudo rm -rf ~/.local/share/Trash/* and it deleted everything from all the directories, home and downloads Can any one please help?
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2answers
409 views

Is there a way to fix/repair a damaged storage device?

Say I mistakenly take out an SD Card or External HDD while it is being written to, and it needs to be repaired. Similar to Windows, when a damaged/slightly corrupted storage device is inserted, it ...
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235 views

Overwritten partition recovery

I installed a fresh new ubuntu over the old one on the same partition, then realized that i have not pushed one month progress of coding up to GitHub branch (locally committed). I heard about ...
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2answers
361 views

I think I accidentally wiped out my ssd while installing Ubuntu [duplicate]

Today I was trying to install Ubuntu and dual boot with my already installed windows 10. I downloaded Ubuntu's latest stable version and burned it to a flash disk. I chose the language then I saw this ...
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1answer
28 views

Data randomly disapeared

Background: Last night i stayed up until 4am installing the jdk as well as discord and skype. This morning i was playing some games and everything was fine until i packed up my computer to go home. ...
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69 views

What went wrong with partitions - data recovery?

This notebook was used with Ubuntu 16.04 LTS for about a year. It was recently closed and opened some days later. However, no mounting medium is found anymore. On a live Ubuntu I get strange ...
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587 views

Problems with encrypted home folder after Ubuntu doesn't boot anymore

After upgrading from Ubuntu 14.04 to 16.04 I couldn't log in any more. Unfortunately I didn't backup my data so now I'm trying to get access to it again. Since my home directory is encrypted, I tried ...
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1answer
1k views

Have the Linux kernel bugs that caused data loss when using a Samsung 850 Pro SSD been resolved?

I just got a brand new Samsung 850 Pro SSD, and I would like to install Ubuntu 14.04 onto it. I have read some pretty ugly stories of data loss with the 850 series SSDs when using Linux due to bugs ...
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2k views

External hard drive not visible

I'm using Ubuntu 16.10. Right after login and while starting up I made the mistake to plug in my external hard drive (500GB). The computer got stuck, so I had to turn it off pressing the "off" button. ...
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1answer
1k views

How can I get back the data of my USB on Ubuntu 16.04.1 LTS?

I recently deleted the Windows 10 from my HP Pavilion Laptop and installed Ubuntu 16.04.1 LTS using a pen drive. In another pen drive, I stored all the important data of Windows 10. But after ...
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1answer
186 views

How could I make new empty and valid datadir for MariaDB?

I forgot root's password. After I reset it, mysql utility allowed me to login with any password. I bluntly deleted datadir(/var/ lib/mysql entirely). Now have a problem of making new valid datadir. ...
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2answers
61 views

Ubuntu broken: Cannot get machine working or retrieve data?

Fired up machine yesterday and while the guest account is working fine the user account is not. The side bar is gone and the I cannot fire up a terminal via ctrl+alt+t. I can access the virtual ...
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2answers
1k views

Is ext4 still prone to data loss in Ubuntu 16.04 LTS? [closed]

When ext4 was relatively new, it was said you can easily lose data during a power failure. Unfortunately, you sometimes cannot shut down your computer properly, and then you have to cause a power ...
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1answer
671 views

Empty Documents folder

My home/user/Documents folder has become empty. Permissions have also been changed and trying to write to it is not permitted. I assume it happened after an upgrade to the new Kernel 45. I noticed a ...
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1answer
66 views

Accidentally overwrote hard disk (with content) with a disk-to-disk image

I decided to format my laptop and reinstall everything again, so I borrowed a friend's external drive that had content in it and downloaded a disk imaging software to backup my hard own drive on to my ...
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336 views

unreadable SD Card (data recovery?)

My SanDisk Ultra 128GB SD MicroSDXC Card is suddenly unreadable with both my Laptop and my Smartphone. Meaning that nothing happens when I plug the card in. Checked both devices successfully with ...
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89 views

A specific folder has all its files disappearing

I have a folder that I use pretty often that suddenly went empty and I've no clue why. I opened it one day and everything was gone. I had a fair bit of work in it, mostly video files for future ...