Questions tagged [data-loss]

Questions about the loss and recovery of data.

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Reinstall kubuntu while keeping configuration and data

I'm facing constant issues with my system and have decided to do a reinstall while keeping /home intact, but the guide I find are either old guides or not the information I'm looking. I'm currently ...
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Home directory reset, all data lost after restart

After starting my ubuntu 21.10 machine this morning, I find that the home directory of one of my user accounts is completely reset to the state of a new user. All my files are gone and ubuntu presents ...
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Cannot log-in into my linux ubuntu and lost my home directory and its files

So today i was learning a bit of linux using my linux ubuntu 20.04, i was learning about autofs. I installed autofs and configured it as was shown on the video i was watching. So it was time to create ...
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Data Loss in an unsafely unplugged External Hard Drive

I have a 1Tb External Hard Drive Disk that was accidentally unsafely unplugged while opening some files in a certain directory. When I plugged my device again, all data in that directory was lost. I ...
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After restarting laptop all files gone

I am using 20.04 version. When I restarted my laptop, all of my files were gone. It is like a fresh Ubuntu install on my laptop. The strange thing is that I can see some apps which I installed before. ...
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Some space seems to be lost on an ext4 drive on Ubuntu 20.04

Today I "found" a HDD in one of my systems that I completely forgot I had. So I wanted to look inside and see what was in there. I logged in via ssh from another computer (may be important ...
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Mistakenly used rm - rf in / but cancelled .How to recover now.? [duplicate]

I have unknowningly used rm -rf in the ubuntu 18 / and cancelled soon .. within that moment some folders for deleted including /bin /sbin /opt /etc . But we still have /usr /lib / home /root /var ...
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All files vanish in /home/user directory Ubuntu 20.04 (dual boot with Windows 11)

I recently had a bug in Ubuntu 20.04 all files vanished or deleted in /home/user, except the directories where kept in place Logged out of my Google/Microsoft accounts, so I had to sign in again ...
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Working Directory Spontaneously Deleted

On Ubuntu 20.04.3 LTS, I was working in nvim in bash. I had multiple terminal tabs open. There was a .git directory in the working directory. At some point, after closing one terminal tab, I noticed ...
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Some preliminary questions about disk drive data recovery

I have some drives, a hard drive and an SSD. They have been collecting dust for a long time. They had camera photos on them as well as other stuff. The hard drive stopped being useful when a gparted ...
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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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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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784 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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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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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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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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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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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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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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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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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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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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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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3 votes
1 answer
633 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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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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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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497 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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1 answer
1k 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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1 answer
134 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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1 answer
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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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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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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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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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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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456 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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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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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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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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2 votes
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40 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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2 answers
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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2 votes
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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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3 answers
992 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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1 vote
2 answers
587 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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256 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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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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1 vote
1 answer
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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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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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1 vote
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603 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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5 votes
1 answer
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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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1 vote
0 answers
3k 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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