Questions tagged [data-loss]

Questions about the loss and recovery of data.

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I flashed ubuntu onto a computer and uploaded important pictures and videos to it but a power surge hit and it reverted to before i flashed it

I am new to linux and tried to create a nextcloud server to hold pictures and videos for my mom but after some severe weather and power outages the server I was using reverted back to a messed up ...
xbobthebouse's user avatar
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30 views

Hi vm UBUNTU and me Specific question about the performance capabilities of Virtual Machines on Ubuntu distribution kernels and you! [closed]

How to install Windows 19.3 in a vm?
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system upgrade data is lost

I have lost all my data because of the new update. The installed software is there but all the other folders that I have created are lost. Is there any way to regain that data? OS Name: Ubuntu 20.04....
tml's user avatar
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Gparted shows Linux filled less than it actually is. How to fix it?

I've had Ubuntu System with the size of 100 GiB. I've made some manipulations for repairing the system and, as a result, my Linux cannot boot, and GParted shows there are only 1 GiB filled on the ...
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Cannot reinstall grub after use of testdisk

I have 2 OS on my laptop: Windows and Linux. Once there was no space left on Linux, and, as a result, my important file was erased. I have tried to restore it using testdisk, but instead of after ...
davynci's user avatar
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How to Extend Root partition from left? [duplicate]

337gbs to the left of root drive enter image description here I have windows on the left partition and resized the remaining drive space to add to the Linux root file system but not sure how to ...
Jonathan Thomas's user avatar
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160 views

Restore EXT4 Partition from NVME

I have a server running on Ubuntu and OpenMediaVault 6 as NAS software on a VM. For data storage I use a seperate NVME. After restarting the server I could not connect from my other PC to my NVME ...
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1 vote
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133 views

Huge data loss in folder on external HDD after moving files into it

The problem I've had a few PDF/epub files that I wanted to backup on my external drive that holds all my documents and files. I used Ctrl + X to move PDF files from my desktop directory of my home ...
Hauptideal's user avatar
2 votes
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662 views

Ubuntu Disks Reports DISK IS LIKELY TO FAIL SOON but Hard Disk Sentinel Health is 85% with Just 8 bad Sectors: What is going on?

I am getting this cryptic message "DISK IS LIKELY TO FAIL SOON" from the Ubuntu Disks SMART Data & Self-Tests. However, when I inspect the self-test Results Window, I find that there ...
Stephen Elliott's user avatar
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Lost files after hard shutdown then booted to windows

I lost files in a shared partition ( NTFS), I forced shutdown then booted from windown, when come back to ubuntu I found that a whole directory disappeared, not found in trash also.
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ddrescue not starting after cancelling

I used ddrescue to copy data from an about-to-fail hard drive to another clean drive. I had formatted the targetted drive and began the process successfully but later canceled it because I had to get ...
Shamininski's user avatar
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Ubuntu 22.04 developed a data leak from about 19/05/23?

I am using a data limited ISP so data usage matters. From about 19/05/23 22.04 (Jammy) seem to have started using 100M of data every (very approximate) hour. I have rig with several flavours of Ubuntu ...
david's user avatar
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1 answer
139 views

windows 10 files disapearing with dual boot ubuntu 22.04 LTS OS short on space

I have: 512GB SSD 8 GB RAM windows 10 331 GB parition ubuntu 22.04 LTS 4 GB swap area 16 GB root partition 121 GB home partition intel i5-8265U CPU no data backup I followed this tutorial but ...
fejfo's user avatar
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892 views

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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393 views

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 ...
powerpete's user avatar
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780 views

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 ...
Lihle's user avatar
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432 views

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 ...
Nau's user avatar
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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. ...
user40491's user avatar
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232 views

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 ...
Andyc's user avatar
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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 ...
Damn devil's user avatar
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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 ...
AlexLee's user avatar
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1 answer
76 views

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 ...
Jonathan Scholbach's user avatar
1 vote
0 answers
30 views

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 ...
Jan Spörer's user avatar
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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 ...
Bill Inglis's user avatar
2 votes
0 answers
2k 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, ...
Bernhard's user avatar
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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 ...
Ritchie's user avatar
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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.
not_coding's user avatar
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1 answer
39 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 ...
Mahfuzul Haque Nayeem's user avatar
1 vote
0 answers
169 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 ...
Rauno's user avatar
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2 votes
3 answers
1k 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 ...
user's user avatar
  • 41
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0 answers
324 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 ...
S J J's user avatar
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1 vote
0 answers
238 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 ...
Moein.Bahari's user avatar
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1 answer
2k 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 ...
Ian McCulloch's user avatar
0 votes
2 answers
91 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 ...
tHe EnCoDeR's user avatar
0 votes
1 answer
231 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/...
Mahafujul Hamid Ananda's user avatar
3 votes
1 answer
1k 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 ...
Diptangsu Goswami's user avatar
0 votes
0 answers
188 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 ...
dani's user avatar
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0 answers
111 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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929 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 ...
Darren Quinn's user avatar
0 votes
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 ...
swift_truth's user avatar
0 votes
1 answer
179 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 ...
Redstomite's user avatar
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1 answer
71 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?
semitones's user avatar
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0 answers
42 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 ...
foxy123's user avatar
  • 417
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0 answers
1k 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 ...
Hitesh Suvarna's user avatar
1 vote
0 answers
381 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. ...
CJ Ken's user avatar
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0 answers
351 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 ...
Dark Mythos's user avatar
0 votes
0 answers
535 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 ...
emilBeBri's user avatar
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1 answer
180 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 ...
Nikos Stratigakis's user avatar
1 vote
0 answers
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 ...
R S's user avatar
  • 2,449
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0 answers
166 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 ...
Ali Kherad's user avatar