Questions tagged [data-recovery]
Data recovery is the process of salvaging data from damaged, failed, corrupted, or inaccessible storage media when it cannot be accessed normally. Use this tag when you want to refer to one of the problems stated above.
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Mount error special device /dev/sda1 does not exist
This is related to my thread askubuntu forumlink
Right now i am stuck in recovering the data part. I just rebooted through a live usb of 13.04 (My original OS was 12.04LTS). But can't seem to be able ...
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Dual boot Ubuntu - Lost data when I booted from windows
I have a HP Probook 450 G5 laptop, and I have a dual boot Ubuntu and Windows 10
The problem is after a while time of using Ubuntu and read/write from Partitions on windows (D: and E:)
I have decided ...
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accessing data on encrypted drive
Please be patient with me as I am still learning how to do anything Linux, starting with Ubuntu.
I have installed Ubuntu 14.04 and had some issues playing around with it and petty much now it won't ...
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How to recover json firefox files using photorec testdisk?
On the wiki it says that json files are supported but json file format is not listed when using photorec file options.
On the cgsecurity forums, some people have suggested that this is considered a ...
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USB IDE HDD in Ubuntu 22.04 is not working
I have have some IDE disks very old stuff,
I would like to backup all data to a newer HDD or SSD, so I buy an USB IDE adapter to do the work.
When I plug the HDD on the adapter the SO only recognize ...
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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....
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Recover data from USB flash drive with testdisk and photorec
I have a 32GB flash drive, somehow it is no more working, it is detected as an 8Mb drive as fdisk -l shows:
Disk /dev/sdb: 8 MB, 8454144 bytes
1 heads, 17 sectors/track, 971 cylinders, total 16512 ...
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Recover deleted ext4 after reinstall
So, I reset my PC from Ubuntu 22.04 to Kubuntu 23.10 and forgot to backup the Apache2 HTML files. Is there any way to recover these after a format?
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Bootable hard disk image locked my hard drive
I recently followed this guide
in an attempt to create a Windows bootable hard disk.
Without any warning or confirmation, the console command chose and locked up my middle/largest hard drive with 7 ...
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error:failure reading sector 0x802 from 'hd0'
When I rebooted my Ubuntu 14.04 it gave the following error. I tried ls and it still threw the error below. Could some one give me an exact answer on how to solve this issue? I need this help a bit ...
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MBR accidentally deleted , how to restore partition
I know that my question can be a duplicate, but i spent a lot of time with google and askubuntu, but couldnt find answer.
I installed Ubuntu 13.10 alongside Windows 7 (i had C drive of 100GB and D ...
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Need to recover files after mistakenly messing up the system but Ubuntu stuck at boot initramfs screen
I had been stuck with a package problem and was able to solve it after a long time. I decided to make a backup of the system settings before I proceeded. I installed Timeshift and set it up. It ...
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Data recovery help
Recently I installed Ubuntu 14 on my Toshiba laptop overriding windows 8 and ubuntu 10 which was already in it. Only after the installation I realized that this particular option has deleted the ...
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Accidentally did dd /dev/sda
I written an ISO image to my hard disk using sudo dd if=image.iso of=/dev/sda. I meant /dev/sdc, and now running sudo fdisk -l returns only one partition on /dev/sda while there is supposed to be 6. ...
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Having trouble with a USB drive data corruption
I was given a new 15 TB USB drive and was going to use it to store a lot of my files. I formatted it NTFS so I can take it between my Ubuntu (desktop) and Win 11 (laptop) machines as I have a lot of ...
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Recovery files possible after being overwritten by Ubuntu install?
Good evening,
Unfortunately I used a data-containing USB-drive with the Ubuntu 22.04 Installer ISO. This was of course a very stupid action and I want to see if I somehow can turn back this stupidity. ...
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Best way to recover a partition from my HDD that I lost when my computer shut down while I was expanding the partition from 800GB to 1TB?
I had two partitions, and I deleted the first partition (NTFS) to expand the second and keep only one partition (EXT4). However, while performing this operation in GParted, my computer shut down, and ...
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My western Digital hard disk was failed to be recognized by Ubuntu system recently. It seems have error sectors. How to recover data from it?
I have a 6T internal hard drive in my Desktop with Ubuntu 20.0.4 system. It works well before, but very recently it happened twice that it can't be recognized by the system (unmounted). The first time ...
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Enable Wi-Fi in Recovery Terminal
How do I enable WiFi from the Ubuntu 11.10 netroot recovery terminal?
After just 12 hours with Ubuntu, I managed to destroy my ATI fglrx drivers and now I can't repair them without Internet access.
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Is there any situation where an Ubuntu bootable drive will use the hard drive?
I want to recover files deleted by accident. I know how to recover the files using testdisk/photorec. This post is not about how to recover files. It is about how an Ubuntu live USB handles downloaded ...
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extundelete - failed to read-only open device "/dev/sdb": Error code 2133571347
I have a Synology NAS with a RAID 1 setup on which I recently accidentally deleted a shared folder with data I want back. I shut down the NAS and booted into a machine with an Ubuntu Live Cd and ...
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How to repair corrupted JPEG files that still have their thumbnails?
I've got a bunch of photos that were on an SD card. Most of them are corrupted now and I cannot open them in any program (Gwenview, GIMP, same on Windows...). But every file browser can still ...
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I did mkfs.ext4 /dev/md0 without knowing it wipes the whole data
So guys I got panicked since my data gone, I tried the solution to use backup Superblock from this askubuntu page but still no luck. but when I tried sudo fsck.ext4 -vy /dev/md0 I got this message
/...
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How do I restore important data for image.dd? Photorec will lose file names and will scatter the information
A few days ago I was in a middle of copying or cutting folders and data to my external hard drive and it was corrupted.
I have tried to locate the lost information on Test Disk but I have now lost it ...
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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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Recovering a corrupt LVM partition
I seem to have corrupted my primary LVM partition [1] which contains root and swap partitions.
$ sudo fdisk -l /dev/sdb
Disk /dev/sdb: 223.6 GiB, 240057409536 bytes, 468862128 sectors
Units: sectors ...
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How to recover a Ubuntu 20.04 live usb that crashed after uninstalling python?
I have foolishly uninstalled python from my Ubuntu 20.04 live usb... Now it won't boot past a black screen offering to enter ubuntu credetials. It accepts su as user and the pre-set password.
How do ...
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recover files after accidentally changing the partition table
I have an internal drive of 500GB called /dev/sda that have nine partitions (sda1 to sda9).I also have an external hard drive of 1TB called /dev/sdb that have one partition called sdb1 in NTFS format, ...
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Trying to get Ubuntu mate into recovery mode
Ubuntu Mate on Raspberry pi 3+ and lost the password. Tried going to Recovery mode by restarting and pressing either by holding shift key or esc or space bar. But neither of them put it into ...
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bad magic number in superblock in disk cloned with ddrescue
I am in deep water here and would appreciate some help. I feel I must be missing something basic.
I have a failing 2TB external HDD, with an NTFS file system. The drive is about half-full of data. I ...
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How to repair a partition damaged by a power outage
I was worked with VMWare and my system suddenly power off.
After I power on my system my virtual machine partition doesn't mount and return this error!
How can i fix it and recovery my files?
I use ...
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carve bzip2 using foremost
i have a corrupted drive and need to recover the archive files from it. I already successfully used foremost to recover the pdf files.
foremost -t pdf -i /dev/sda -o /tmp/foremost/pdf
however i now ...
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How do I change the partition format that was accidentally changed to MBR back to GPT?
The first time my storage looked like this:
because I'm dual booting Ubuntu with Windows.
but accidentally my hard disk ends up like this:
After I checked with gdisk I got something like this:
HGST ...
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Destroyed sudo permissions, no access to grub due to nouveau kernal driver
I managed to get myself into quite the corner.
I messed up permissions to /usr/bin/ and all subdirectories, e.g. root is no longer owner of /usr/bin/sudo. As a result, I get the infamous /usr/bin/sudo ...
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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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Error loading ubuntu boot, ubuntu live sees main boot SSD, but not storage HDD
My computer is dual boot windows 10 and Ubuntu 18.04. I have two windows drives (1TB SSD OS, and 1TB HDD storage) and two Ubuntu drives (256GB OS, and 2TB storage). I was unable to load the Ubuntu OS ...
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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 ...
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Recovering data after emptying trash
I saw something unusual on my desktop. I deleted it and never saw that I emptied my whole laptop drive, further I emptied the trash moments later. When I noticed it, I tried to recover using Testdisk, ...
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How to install extundelete on Ubuntu 16.04
I have removed some that are very important for me. They are not just images but text files and some other types of files. Based on my research I think the only way to recover most of them is to use ...
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What is the best way to recover deleted zip files from a specific path when rlinux, photorec can't find them?
What is the best way to recover deleted zip files from a specific path ? I have 2 zip files previously stored in an ext drive in /dev/sda3 to be cut&pasted to home/user/Documents. These zip files ...
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ddrescue successfully rescued, but no rescued file on output
I'm trying to recover data from a disk with multiple corrupted sectors. Damaged partition (Windows partition, sdb2) s no longer mountable (it takes a lot of time, and sometimes makes Ubuntu file ...
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Copying a file from an HD with bad sectors
I am trying to copy various files from one HD to another.
on some files after several minutes (too many, say 5 minutes for an 11Mb file) I get this error and the file is not copied.
cp: error reading '...
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Accidentally deleted the entire hard drive during Ubuntu installation
I tried to install Ubuntu 23.04 on my device which was running on Windows 10. During the installation I might have selected the Erase all data and install Ubuntu option and got my full HDD erased ...
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I accidentally formatted my drive. Can I use a backup .img file to recover it?
I have accidentally formatted my drive. Attempts at data recovery have been unsuccessful, but I had created an .img file of the drive with dd if=/dev/sd<x> of=filename.img before that.
So I ...
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How can i recover a vdi file that was affected by dd?
Detail: i accidentally used dd of=myfile.vdi and it went to 0 byte after.
is there a way to recover the file
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Recovery data from Unable to mount Sandisk Extreme USB device
so it seem many Sandisk Extreme devices are crashing recently. The company updated some firmwares but it seems that my device does not need any update regarding the website autochecker, but anyhow my ...
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Raid0 disappeared after ubuntu upgrade. How to recover it?
I may need a lot of help here..
After upgrading ubuntu from 16.04 ->18.04 ->20.04, my raid0 array disappeared. I wish to reassemble the raid array. While working on this, I might have committed ...
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what specifically does ddrescue --retrim do?
We are currently following the forensic suggestion with a no-retry-logged-scan, direct-read-retry-rescan and follow-up retrim direct scans on a failing hard drive. I thought I had a grasp of what the ...
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at boot time - recovering journal
I have dual boot - Windows 11 and Ubuntu 22.04 LTS.
I know for sure that last time Ubuntu was shutdown gracefully.
But today when i opted Ubuntu Linux from grub menu then I am getting this message:
...
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Deja Dup overwritten files
I have restored by deja dup an old version of our database so it has overwritten the current updated file.
is there anyway I can get the overwritten file back?
