Questions tagged [data-recovery]

Data recovery is the process of salvaging data from damaged, failed, corrupted, or inaccessible secondary storage media when it cannot be accessed normally. Use this tag when you want refer to one of the problems stated up.

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How to debug boot when normal mode freezes but recovery mode boots OK

My Ubuntu (18) sometime freezes at boot with some kernel stack overflow, but sometimes boots and stays OK for a week. Sooner or later it eventually freezes and I have to power it down. When I boot in ...
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How to rescue scratched CDs or DVDs using Ubuntu?

I have several old CDs that have scratches and won't play anymore. The same with a scratched video DVD. Is there any chance to recover the data using Ubuntu?
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Need help restoring a tar backup

I managed to borde my sudo... I have a backup of the system that I can try restore. However, since sudo is broken I can't overwrite files that are protected. Guidelines I tired to follow when making ...
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35 views

Data recovery: pulled out USB while writing data, now flash “drive not found”

I accidentally pulled out a USB drive while writing on it (I thought it has finished writing). Now this drive is seen by both Ubuntu 18.04 PC and the Win10 laptop, but when I try to open it, it ...
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How to recover a .txt file from an image of a damaged external hard drive?

I have an old external hard drive that is recognized by Ubuntu but doesn't show the files (just one empty folder and I can't create anything on it) I went through this, and was able to create an ...
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Faulty Verbatim Powerbay data bank

The system is Verbatim PowerBay data bank, with 4 hard disks configured as RAID 5. The problem started when one of the hard disks light flashed. Then we couldn't get any data from the NAS. How I can ...
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17 views

Data Recovery after installing Ubuntu [duplicate]

I have 4 partitions in my hard drive But when I install Ubuntu, it deletes all partitions and all data Can I recover data? Please help...
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106 views

NTFS partition can't be mounted in either Windows or Ubuntu

A few days ago I decided to backup important files and pictures from my old laptop. After failing to boot Windows several times, I decided to transfer the pictures using an Ubuntu live USB, because ...
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1answer
61 views

install ubuntu by default and lost all partitions and my data [duplicate]

i am new with Ubuntu. After installing Ubuntu the partitions merged and all my information was lost. How can I recover my data? I used easeus from bootable usb and it could find all my files with ...
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How to Recover deleted Windows Partition in Ubuntu?

I wanted to delete ntfs partition in my dual boot and succeeded using Gparted. I increased the size of ubuntu ext4 partition by using unallocated space of recently deleted ntfs partition. Initially I ...
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64 views

Boot section kills data partition

My Ubuntu installation is partitioned in a drive sda holding Ubuntu and Swap and a drive sdb holding my data. During the installation of a new version of Ubuntu on drive sda I must accedentialy have ...
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Problem with power on in dual boot ubuntu system?

When I turned on my laptop i get this window view and nothing is working; I don't have idea what to do. (https://i.stack.imgur.com/szwhF.jpg)
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merge corrupted recent partition copy with old sane partition?

I have a dual boot with windows 8.1 and ubuntu 18.04. I recently tried to decrease windows partition (with diskpart) to increase the linux one, but I failed and ended up not able to boot on linux. So ...
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How recover deleted partitions using ubuntu 19.10 bootable pendrive

Accidentally i deleted whole partitions While installing ubuntu with windows 10. Installation was not successful and i lost all my data and partitions. My whole disk is showing unallocated. I have ...
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How to rescue files from a HDD using a bootable USB?

I am new to Ubuntu. My computer doesn't start and I need to rescue some files from it. I tried to boot from a live USB and did it successfully. I reached the HDD but the folders are locked (I can see ...
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1answer
61 views

Recovery of Linux swap partition using Testdisk

I accidentally deleted the EFI System partition on my HDD. I have installed TestDisk and believe I know what needs to be done to restore the HDD. However there is one issue that I can't resolve and ...
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Recover deleted files [duplicate]

I just wrongly deleted all files in a folder using rm -r * command. I stopped working and jumped here to ask help. How can I recover them?
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How can recover my encrypted files if the system says my key isn't saved?

Screenshot of my problem: BACKGROUND: So I messed up my install pretty badly. I think /var and /opt are gone, wi-fi doesn't work, but even if it did, apt doesn't work anymore either (says my sources....
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Error while Recovering deleted files using Foremost

I am facing this below error message while trying to recover deleted videos using foremost. I am not sure how to fix this, would really appreciate any help. $ sudo foremost -i /dev/sda5 -t wmv -o . -...
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How can I recover files using R-Linux from a bad USB external drive to a Synology NAS?

I have resorted to using R-Linux to recover files from a WD MyBookLive drive that won't start up. R-Linux can see the files I need, phew. Now to save them. I'm running Ubuntu from a USB stick and the ...
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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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1answer
72 views

Unable to mount exFAT dev/sdb2 [closed]

I am unable to mount dev/sdb2 exfat filesystem. help me guys.
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Files/Directories on exFat are not visible from Windows

Ubuntu 18.04 LTS exfat-fuse / exfat-utils 1.2.8-1 (The latest version that will install after running sudo apt-get update.) Linux is writing files to a Windows exFat partition on a Windows OS disk ...
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1answer
48 views

Ubuntu image file has no source

I got a backup of holiday pictures on my external hard drive, but some JPGs are data only. If I execute the file command, I get e.g. 2015-09-15_07:49:22.JPG: JPEG image data, Exif standard: [...
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39 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
161 views

How to change ownership of files recovered by Scalpel onto exfat partition?

I ran scalpel to recover files. The input disk is a copy of a failing Windows disk I made using ddrescue. The output directory (from scalpel) is on an exfat partition on my Linux disk. I used exfat ...
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2answers
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How to Block Automounting of a Specific Drive (USB connection) With ** Three Mounted Partitions **

I need to block the auto mounting of a specific external drive (USB connection, by UID) that has three different mount points (partitions)? The contents of this drive were created with ddrescue - to ...
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How to recover fromatted hard disk data while instaling ubuntu [duplicate]

I am new in ubuntu. Earlier I was using window 7 and I changed it to Ubuntu so while installing it asked to format so I format it and all the data from hard disk has been lost. It is about 300 GB so ...
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1answer
69 views

Repairing, or mounting an encrypted filesystem

I am trying to save data from a system that used to live on a tiny usb stick, but I suspect a hardware failure. The system came out of a suspend with the root filesystem in read only, and instead of ...
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57 views

All of my data, files and settings in application are missing after removing Wine and re-installing Wine 4 [duplicate]

I'm really in a bad situation here. I uninstalled and purged all instances of Wine in my system, including the .wine directory, and proceeded to install the latest Wine Stable 4. However, after the ...
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25 views

ddrescue 1tb hard drive, what configuration should I run?

My current config is: ddrescue -c 1Ki -n -v -a10M /dev/sda2 /mnt/2tb/imgfile /mnt/3tb/log file Just learned how to do this recently. Don't know much about computers, I just want to save my Windows 7 ...
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1answer
69 views

testdisk unable to detect deleted folder

accidentally happened to Shift+Del a folder named new from my external HDD. In my attempt to recover the lost data (very valuable to me) and after going through most of the previous such cases on Ask ...
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ext4magic data recovery strategies when the filenames are not in tact and you have thousands of files to go through

Hi I recently deleted my entire code base for a series of projects I am working on using rm -rf. After this happened I searched for solutions for about an hour online and then realized I should ...
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How to recover /dev/xvda1 * partition on lightsail ubuntu server?

I accidentally removed files from my Aws lightsail > Lampp files i.e /home/bitnami/apache2/. Can anyone please help me to recover it. I checked testdisk tool to recover it but it's not showing any ...
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1answer
65 views

Safely back up a drive before sending it to data recovery lab (deleted files, not damaged drive)

On Ubuntu 18.0.4 LTS Bionic Beaver, I accidentally ran a bash script that uses rm -rf in places and accidentally deleted a bunch of directories. I am aware of extundelete, however I am sending it ...
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1answer
52 views

Problem with displaying files in the folder

I am using external HDD, where I got some photos. My OS: Ubuntu 18.04 Maybe something wrong happened during copying photos from local drive on computer to the external one. as you see folder has ...
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53 views

Thunderbird: How to recover email passwords if master-password is known?

I forgot one of my email passwords. And it's still saved in Thunderbird that ran on Kubuntu. But now my Kubuntu is broken, and I cannot open thunderbird's GUI. The only thing I know is username and ...
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246 views

OEM install converted to regular install. Where are the files?

Background: OEM install of Ubuntu 18.04 on a Dell Latitude. Note that this not an install of Ubuntu by the OEM, rather, Ubuntu 18.04 was installed by me using the "Install as OEM" option. While ...
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26 views

Recover data using ddrescue to make 2-3 parts to smaller drive?

I have a data on a 2 TB HDD which I am trying to recover with ddrescue onto a 1 TB HDD. Can the images made from the source drive with ddrescue be in multiple parts of no more than 1 TB? If so, what ...
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Recover libreoffice file in lubuntu

I have Lubuntu and I write document with libreoffice (6.3.2.2) during the last 2 weeks, the file size was around 100-130 kB. During this time I saves this document and shutdown my pc few time. Today,...
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1answer
105 views

Recover data after ‘sudo dd if=/usr/lib/SYSLINUX/mbr.bin of=/dev/sda1’

An HDD had 2 partitions, one with Windows 10 and other with Windows 7. I deleted the partition that had Windows 7 on it. Turns out it had the boot for Windows 10. I looked up how to make the computer ...
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1answer
53 views

How to resolve messed up efi without data loss

was having Ubuntu installed along with MacOS Catalina. I need windows for project work so I decided to create a partition and flash windows in it... Doing this I messed up and there was showing no ...
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1answer
53 views

Is there any way to back up the critical (non-data) bits of a 120TB ext4 drive to assist in future recovery?

I have a large ext4 disc of 15qty x 10TB hdds in an Areca 1880ix-24 RAID6 array. I know RAID does not equal backup, but the contents of this 120TB+ drive are static media files, which, if necessary, ...
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1answer
61 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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37 views

External hard drive is not recognised in Ubuntu but in MacOS

I'm trying to recover data from an external hard drive. It's rather large (1 TB) and was originally formatted for Windows using either NTFS or FAT32. In Windows, the hard drive is not recognised ...
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21 views

Recover overwritten annotated pdf

I had annotated a pdf in Okular that had been generated via pdflatex and saved it. I was able to open and see the annotations. However, I guess I did a Ctrl-S on the tex file by mistake and that over-...
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54 views

A backup problem too difficult for me

I'm on a System76 laptop. It has a 250GB SSD and a 2TB Spinning Disk. My backup hygiene is less than perfect. I'd gotten read errors from the larger disk in a few directories. I decided to reboot. I ...
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29 views

What happens to unencrypted files after umount of an encrypted folder with EncFS?

I want to know if it is possible to restore files from this temporal drive.
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4answers
5k views

Login loop on Ubuntu 19.10

While upgrading my system from 19.04 to 19.10, there was power failure. Due to partial upgrade,my system after login shows me black screen for a while and then shows white screen with text on it- "Oh ...
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1answer
162 views

Migrated from FreeNAS. How do I convert my ZFS Zpool into Linux Raid 5 equivalent

TL;DR - How do I convert my imported Z-pool to a RAID setup (or LMV?) that I'll be able to recover/rebuild when/if a disk fails? I migrated from FreeNAS. Had a RAID-Z (equivelant to Raid 5, I think - ...

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