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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Recovering files from RAID 5 from a dead server

My main processing machine, running Ubuntu 14.04, just died over the weekend. I have 7/8 drives in RAID 5. While I figure out what's wrong and buy new parts, how can I get my data off the drives?
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Recover NTFS partition after creating FAT partition

So I wanted to reformat my USB drive using Gparted to FAT32 but ended up formatting my second Harddrive instead. I first deleted the NTFS partition and then created the FAT partition (I know... Its ...
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How to backup recovery Windows partition using Linux

I bought a new laptop with Windows installed on it. I'm going to wipe all partitions and install Linux. One day I'll probably sell that laptop, so it'll be nice to recover it to the manufacturer ...
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3k views

How to recover lost partition and files after installation of Ubuntu on Windows partition?

I have got a laptop from one my friend which has installed Ubuntu by choosing a wrong option and has re-partitioned the entire hard drive and has lost all his private files. I booted the laptop by a ...
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1answer
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Need help recovering/saving a drive with bad sectors

I have a Windows drive that went bad. 500GB. I need data off it. I'm new to Linux, so using the GUI version, not command prompt. I downloaded the ISO and created a USB bootable drive, and am running ...
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cut and copy files lost

i'm running 14.04 I was recently copy and pasting files from one external HD to another. My laptop has been overheating lately and shutting down. Not thinking it happened again whilst transferring ...
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Cannot create a backup with Dell Recovery utility

I tried to create a backup using Dell Recovery utility after reinstalling Ubuntu. During that process I choose "No media, create image" options as I wanted to save .iso file on the hard drive. At the ...
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Restore files from overwritten partition table

I deleted and created a new partition on my 3TB HD by mistake by confusing it with another HD. It had a single ext4 partition STORE1, new one was called STORE2 and quick formatted. This happened using ...
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File Recovery software for ubuntu 13.10 32-bit [duplicate]

Just a mont ago I copied pdf files from windows mount 'C:\' to linux OS home folder. But since I was new to Ubuntu.while resolving oerheating problem through installing drivers My Ubuntu turned ...
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2answers
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Is it insecure to to have a password on the clipboard?

So I've been using truecrypt for several years now. About 6 months ago before I learned off my password (it was really long and I didn't want it vulnerable to word-lists) I used to copy and paste it ...
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tar -xvzf [filename] creates an extra directory

I have a tar file in /var/www/orbitcode/public_html/orbit.tar.gz when I unzip it using tar -xvzf orbit.tar.gz a new pub_html directory is created. The path of the extracted files is /var/www/...
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350k views

Adding SSH Keys to authorized_keys

I have an Ubuntu server on Amazon EC2, that I use for development, and today I stupidly cleared everything out of my ~/.ssh/authorized_keys file. Luckily I have an SSH open, so I am still connected, ...
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recover data from device that requires a DRM key

I have an ancient Linux box, that has a specialty program on it. the PC has faulted recently, and I'm not sure that I can repair the hardware. The bios loads an encryption key from a separate USB DRM ...
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2k views

Revert moving root directory recursively

I have an Ubuntu Desktop used as a Server. This morning I accidentally moved all my root to ../ root@server:/tmp/UPS/up/upsilon# mv /* ../ mv: impossibile spostare "/dev" in "../dev": Dispositivo o ...
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Login screen reloading endlessly on BQ Aquaris E4.5 Ubuntu Edition

The login screen on my BQ Aquaris E4.5 Ubuntu Edition device is reloading endlessly. The reloading happens so fast that there is no time to enter the pin code of the device. What I did before: After ...
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1answer
4k views

Ubuntu install deleted Windows 8 partition; how to recover it on ubuntu

I tried to install ubuntu to get dual OS but incidentally delete one of the windows' partition in the process...... I can't boot windows or even use the recuse tool to recovery it... I've backed up ...
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60 views

How to recover files on NTFS partition

I have very, very horrible problem. I have 3 partitions in my computer: Linux, Windows and NTFS Data and I have a problem with the Data partition. It is... empty?! I lost a lot of news materials for ...
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7k views

How to recover partially formatted ext4 partition (testdisk did not help)

I have а 2TB "single ext4-formatted partition" HDD. Recently, while working under Windows 7 on the same machine, I have damaged the aforementioned partition. What happened is that while I was trying ...
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1answer
39 views

Is it possible to somehow undo the results of the mv command?

Here's the problem. I had a bunch of files in a directory. Then I created another directory in that directory. Then I cobbled together this command: find . -maxdepth 1 -type f -exec mv {} ./1 \; ...
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I accidentally tried to remove all files from the root path

I was working on a folder with write permissions on terminal when I tried to clean the current directory and start over using sudo rm -r ./* But it took some time to finish which made me wonder ...
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GPT ext4 partition recovery - invalid backup header

When I run from a LiveCD to try to recover a non-booting system, I run gdisk /dev/sda and get Caution: invalid backup GPT header, but valid main header; regenerating backup header from main header. ...
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1answer
56 views

usb flash drive is not mounting: “no such file or directory”

My flash drive is initially recognized on Ubuntu. However, it does not mount and, after a while, Ubuntu tells me that there was an error because it could not find the directory of the flash drive ("no ...
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3k views

Image or reset broken SSD

There is something very wrong with my 160G SSD. It shows up as a 8MB drive in fdisk: Disk /dev/sda: 8 MB, 8388608 bytes 255 heads, 63 sectors/track, 1 cylinders, total 16384 sectors Units = sectors ...
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Trouble accessing harddrive

Hoping someone can help me out here, im quite new so please excuse any false assumptions. I recently had a relatives mac boot drive fail(seems mechanically fine, but wont appear in OSX or windows). I ...
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102 views

How to delete 'dir.xxx' extention files? [duplicate]

I am newbie in Linux. I downloaded a SD card recovery software and messed up somehow. Now my 'download' folder filled up with these protected folders to the fullest: and I can not delete those ...
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123 views

Recovering an Encrypted Home Partition Overwritten by LUKS

After aborting a recent installation attempt of Ubuntu 16.04 (which I've since installed without a separate home partition), I discovered that my existing encrypted home partition is no longer ...
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7k views

How to repair corrupted fat32 sd card superblock

I have important data on an external sd card. I plugged in the card and I get an error message. It is a 32GB micro SD card. it was formatted as fat32. Error mounting /dev/sdb1 at /media/sam/32GB: ...
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How can I get back my Windows 10?

My first OS was Windows 10. Then I install ubuntu 16.04. But though the installation finished, the grub menu didn't come out. Then I format that free space partition and reinstall again. Also went ...
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Recovering my encrypted home folder

Here is my situation. I completely broke my Ubuntu on my main drive, and it just boots into a black screen and doesn't work, it is dead. I need to recover my encrypted home folder with a live USB. I ...
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1answer
63 views

How can I save my data in my HDD from a Ubuntu Flash Disk?

It's already some time that my HP250G3 computer didn't want to start up, so I installed Ubuntu 16.04 LTS on my flash disk to recover some data before resetting the hard disk (hard reset + reinstall of ...
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1answer
45 views

How to change access rights for /?

I accidentally changed access rights on / for my Ubuntu 16.04 using sudo chmod 466 /. I was supposed to change access rights for a file but instead I accidentally executed a chmod on / (root directory)...
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23 views

How to recover files from a DVD with command line method?

I do not see my DVD, I do not know how to access its corrupted data. What is the way to recover the data with command line?
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Ubuntu Rescue Remix

I take it that if a drive is not detected with the sudo testdisk command that it is not recoverable using Ubuntu Rescue Remix, or am I wrong? I have a Barracuda drive that spins and makes the normal ...
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Encrypted home folder is only partially decrypted by ecryptfs

I'll make this as brief as possible: -Following an upgrade, lubuntu no longer boots -I installed ubuntu gnome on a separate partition -Within the new partition, I mounted the other (lubuntu) ...
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38 views

External harddisk formatted recovery [duplicate]

I was trying to make a bootable usb stick but i accidently formatted my 1TB hard disk. Is there a way to recover my files. The command that i used for formatting my disk sudo dd if=ubuntu-gnome-15....
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Partitions lost trying to create bootable iso disk

I tried to create a bootable Ubuntu iso disk on a partition (sdc-2) of a usb stick, which had originally three partitions (sdc-1/2/3, of type ext3/fat32/ntfs). Following this thread, I ran: sudo ...
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Recover files from gedit

I suspended my laptop while writing some files in gedit. When I opened my laptop, it suddenly went off and lost the files I had open in the text editor. How can I recover those files? I have tried ...
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ext4 partition type unknow after restart and cannot be mount

After restarting my pc, I've stuck on error of my /home partition. It cannot be mount. Partition table is unknown. For this partition I had dedicated Goodram ssd 250 gb drive. On this disk there was ...
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Recovery from Scalpel didn't show any recovered file

I have deleted some of my .odt files by mistake last night (near about 10 hours ago), and I had to recover those files as those were really important to me. I used scalepel for this purpose in which I ...
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Ubuntu 14.04: '/boot/grub/i386-pc/normal.mod' not found (SolusVM)

Running Ubuntu 14.04, was doing some normal maintenance and updates last night, also added a VirtualHost. The instance of Ubuntu is installed as a VPS in my SolusVMWare software. This means I cannot ...
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1answer
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lsusb finds flash drive, fdisk doesn't

I have a Kingston 64gb USB flashdrive that isn't working. When I use the command lsusb I get the following: ' Bus 002 Device 021: ID 0951:1665 Kingston Technology Digital DataTraveler SE9 64GB So ...
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4k views

Can I recover a former version of a libreoffice document?

I've searched high and low for an answer to this and haven't been able to find one, so hopefully someone here can help. I was working on an essay and had made substantial progress but had to take a ...
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ddrrescue error: ddrescue: Can't open output file: Not a directory

this is the output of sudo fdisk -l: ubuntu@PrecisePangolin:~$ sudo fdisk -l Disk /dev/sda: 164.7 GB, 164696555520 bytes 255 heads, 63 sectors/track, 20023 cylinders, total 321672960 sectors Units = ...
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3answers
799 views

How do I reset user to default settings

Long story short, I accidentally ran sudo rm -rf ~ and as a result removed most of my home directory. In a panicked state, and with a bit of research, I attempted to recover what I could with ...
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1k views

If i clone a hard drive using the 'dd' command, will it also clone the free space and information about deleted files?

Yesterday I installed Ubuntu on my laptop, and due to my bad luck, I accidentally deleted the partition. The data on the disk was very important to me. I tried TestDisk to recover partition but that ...
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How to recover my list of who's naughty and nice? [duplicate]

This year, I finally made the switch to Ubuntu Linux. * One of my elves (who knows a thing or two about computers) helped me migrate from my old Windows Me computer to a newer machine with Ubuntu ...
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D drive not showing

My hard disk which under Windows 7 was separated into 2 partitions: C (system part) and D. I keep my movies, music and files on D and use C for installed programs. When I installed Ubuntu 16.04, I ...
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External USB Harddrive not recognized

I got an external HardDrive that I want to recover. I don't know what the previous user did, but it was definitely a software change. lsusb recognizes a harddrive with the following output: Bus 002 ...
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Regarding Data recovery [duplicate]

Recently I formatted Windows 7 to Ubuntu OS but unfortunately All my internal HDD formatted and now it's empty. I need my data back. Any one here to guide me further?
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How do I repair after testdisk disaster?

I have been a very silly boy. I intended to erase an SD card with testdisk but accidentally ran delete on the wrong drive and have apparently hosed my system. Trying to boot from HDD gets me to grub ...