Questions about recovery from failure. This includes file corruption or deletion and broken software components after an update. For lost data, "data-recovery" may be a better tag.

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11
votes
5answers
3k views

Is there a way to recover files from a storage device partially overwritten with dd?

I'm an idiot, I was writing an image to a USB drive using dd when instead of typing /dev/sdb I typed /dev/sdd and wrote the 135mb image to my 750gb External Hardrive full of files. Is there ANY ...
5
votes
1answer
2k views

How to recover files after deleted my Ubuntu partition?

I normally dual-boot with 12.04 and Win XP pro sp3 on a Thinkpad R60. I needed to reinstall windows because of problems piling up, so I ran the computer's built-in hard-disk recovery software. I ...
10
votes
2answers
25k views

Tool for recovering deleted data from a flash drive

What is the best tool for recovering deleted data from a flash drive (pen drive)?
9
votes
3answers
38k views

How to resolve “Failed to download repository information”?

Whenever I try to install anything with the Ubuntu Software Center, the following error appears. Failed to download repository information Check your Internet connection. E:Unable to ...
3
votes
2answers
2k views

All files erased after installing Ubuntu [duplicate]

Yeah, I know I should have backed up my files before proceeding, I completely forgot. Well, the thing is that I had a dual-boot system with Windows 7 and Ubuntu 10.10. Yesterday, I installed Ubuntu ...
8
votes
4answers
13k views

Is there any recovery software available for ext4?

Well, I have accidentally deleted my Ubuntu drive. I just want to recover all the contents of /home. Is there a way to do it? I referred to foremost, where I need to specify the extensions of files. ...
6
votes
2answers
8k views

Recovering user files with a Live CD

For some reason my bootup isn't working. I get an error akin to "Operating System Not Found". So I tried bootrepair, and that didn't work. So then I decided I would just save my personal files, wipe ...
8
votes
2answers
4k views

I unexpetedly deleted administrator account and the other accounts are asking root password

I unexpectedly deleted my user account (the only administrator for the machine). I have another account which is standard account now i cant access my hard disk or anything with that standard account ...
4
votes
4answers
1k views

Recover 1TB disk erased with startup disk creator

Hello. I was trying to make a bootable flash drive from the startup disk creator, and when I went to erase the flash drive I accidentally erased the wrong drive, a 1TB removable drive. The operation ...
4
votes
3answers
3k views

Ntfs recovery software for ubuntu?

I need a free linux application to recover some files on an NTFS. Please suggest me a best one?
3
votes
1answer
4k views

How to recover lost partitions data?

I have a 2TB SATA drive that was being used as file storage on my UBUNTU computer. I was re-imaging my windows box so I used that drive to back up some files to it. I did this by taking the drive from ...
5
votes
1answer
13k views

How to recover an interrupted 12.04 upgrade from 11.10?

Ok, I will get right to the point. I was upgrading ubuntu to 12.04 from 11.10 (x64) and right in the middle of the package installation I had a freeze (not ubuntu's fault) forcing me to do a hard ...
4
votes
3answers
2k views

need to recover data from a data hard disk that I used testdisk on in my attempt to repair mbr from a rootkit virus

Before I begin to say what my situation is here, please know i would be FOREVER GRATEFUL for anyone who can help me out with this mess. I have photos on here from years and years of painstaking work. ...
3
votes
2answers
219 views

Installed Ubuntu over windows

I need to get those windows files. Please let me know whether there is any procedure to get those windows files
3
votes
3answers
1k views

How to recover missing folders in a Windows-Ubuntu dual-boot system?

I have Windows 7 and Ubuntu 12.04 as dual-boot and on the same 500GB HDD. I have partitioned the drive into NTFS file system from Windows before I installed Edubuntu 12.04 in the remaining free ...
3
votes
1answer
1k views

Recover data using Photorec onto an External Drive

I lost my Windows Vista while installing Ubuntu. Few people suggested me to use Photorec to recover the data. I already installed testdisk. The place where I am confused is: I attached an external ...
1
vote
2answers
2k views

How to get GUI back after freeze interrupted an Nvidia driver update?

I just went through a driver update. The OS froze, so I had to hard reboot the PC. Now I just get the login prompt in terminal. So, I tried to run startx. codeError: API mismatch: the NVIDIA kernel ...
1
vote
2answers
3k views

How to recover Ubuntu partition after computer failure?

Recently my computer broke down and the Linux Ubuntu 10.04 partition could not be loaded back. What should be done to recover it back? What could be the possible error?
5
votes
1answer
6k views

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.
5
votes
2answers
57k views

How can I repair my installation?

Does ubuntu 11.10 have a repair setup like windows that repairs the operating system files? Or do we have to do a whole new installation? If not, is there a backup solution so I can re-install ...
9
votes
3answers
5k views

How can I make an Ubuntu recovery image on external media?

I am about to expand my Ubuntu partition, so I think I should make a backup of current one in case something goes wrong. Is there some software to make a bootable USB and recovery image?
2
votes
3answers
8k views

Is recovery mode supposed to hang after fsck?

Ubuntu 12.04.1 LTS I wanted to test running fsck on root file system (ext4) on my home PC before I try to fix a real problem on my work server. I booted into Linux recovery mode, and selected: ...
4
votes
4answers
3k views

How to recover data from a failing hard drive?

An external 3½" HDD seems to be in danger of failing — it's making ticking sounds when idle. I've acquired a replacement drive, and want to know the best strategy to get the data off of the dubious ...
9
votes
1answer
8k views

Cannot lock '/etc/group' in recovery mode

I've currently booted into recovery mode, because I removed my sole user from admin :/ When I run adduser oadams admin, I get gpasswd: cannot lock /etc/group; try again later. For what it's worth, ...
6
votes
2answers
5k views

Ubuntu deleted files from guest account desktop

I have Ubuntu 12.10 and was using guest account. I downloaded some files on desktop and shutdown my m/c after use. Now today when I logged in to guest account to copy those files but surprisingly ...
4
votes
2answers
2k views

How to exit the recovery console?

I was having problems with Ubuntu 11.04 freezing up with Firefox, then it was freezing up with other applications as well. At login I tried Recovery Console and now I can't get out of it. Ubuntu ...
3
votes
2answers
2k views

Can you make a bootable recovery partition for Ubuntu?

Okay, there's tons of questions about recovery partitions, but most, if not all pertain to Windows. My question is, "Can you make a bootable recovery partition FOR Ubuntu?" I'm soon going to put ...
2
votes
1answer
5k views

How to connect to internet from recovery mode?

I am working on a kernel panic issue. As Ubuntu is very reliant on internet, I am currently investigating how to connect to internet when choosing recovery mode. Even in my healthy 11.10 system it ...
1
vote
1answer
1k views

Restoring deleted partitions/files

I had Windows 7 installed on my computer and four partitions, namely, C (where Windows was installed), D, E, and F. I decided to install Ubuntu and ended up deleting all my partitions, but one with ...
1
vote
2answers
4k views

How can I recover data from a 2TB hard drive?

I have a Western Digital 2TB External Hard Drive. I basically use it to keep all my movies and videos. Its file system is NTFS, and currently I'm using 1.4TB. One night I turn it on and copied a 4GB ...
8
votes
4answers
4k views

Anyway to make a liveCD from my current installation?

Remastersys is no longer maintained and UCK as well as Live-Magic aren't exactly what I'm looking for as they remaster a livecd. What I'm aiming for is something like PCLOS's makelivecd so I can have ...
7
votes
2answers
4k views

How do I get my USB keyboard to not freeze up in the recovery menu? [closed]

I am using Ubuntu 11.10, and whenever I enter the recovery menu, my keyboard freezes and I can't make any selections. I have tried using GRUB_PRELOAD_MODULES="usb usb_keyboard" but this doesn't help ...
4
votes
1answer
525 views

Recovering data from /

I accidentally installed Ubuntu to one of my data drives from Windows. The drive was a NTFS drive and contained about 80 GB of important data. The size of the drive is 110 GB. Its new file system is ...
5
votes
4answers
3k views

is it necessary to delete the recovery partition?

I have Windows 7 on my HP laptop and I want to install Ubuntu. I tried to shrink my boot and system partition, it does not allow me to shrink the partition more than 97 MB. Is it necessary to delete ...
5
votes
1answer
5k views

Recover accidentally removed files on NTFS partition

I accidentally removed some files on a NTFS partition How can I recover them staying inside Linux without0 rebooting ?
5
votes
1answer
8k views

How to boot into Single-User recovery mode?

In desktop Ubuntu there is handy GRUB menu, but there is no such menu in Ubuntu Server. How do I get into recovery (single-user) mode on Ubuntu Server then?
5
votes
2answers
9k views

How to boot to root shell when GRUB recovery menu fails to load a shell?

Can't seem to boot into root shell in recovery mode from GRUB. I try booting into recovery mode from the GRUB menu and don't ever get a shell, just log messages from the kernel bootup. Ctrl+Alt+F1-F12 ...
4
votes
2answers
842 views

Does selecting “Remove Windows” option during install remove all my Windows partitions?

I had Windows 7 installed on my laptop, I installed Ubuntu and chosen the option to delete everything. But when I clicked that, it deleted my windows 7 partitions. C: Windows E: Documents F: ...
4
votes
4answers
19k views

Back up the whole ubuntu system or system image creation [duplicate]

Possible Duplicate: How to make a disk image and restore from it later? In windows back is very easy with Norton ghost. Run it and forget it, What is the same type of software for backing ...
4
votes
4answers
8k views

Possibility of recovering files from a dd zero-filled hard disk

I have "zero filled" (complete wiped) an external hard disk using dd, and from what I have heard: people said you should at least "zero fill" 3 times to be sure that the data are really wiped and no ...
2
votes
1answer
1k views

Recovering a lost file system off a hard drive?

I was repartioning my hard drive, and I was in the process of moving a partition left and resizing it, when I accidentally hit the "Cancel" button. While the partition itself was already resized, the ...
1
vote
1answer
600 views

recovery of data after installing ubuntu 12 [duplicate]

Possible Duplicate: Formatted and lost 6 years worth of photo memories.. any way to get this back? Installed Ubuntu over windows i had been using ubuntu paralally with windows before.this ...
0
votes
2answers
654 views

Make recovery disk for customers

I hear about other computer shops that sells customers recovery disks that they have created. I'm assuming all that they do is make a image and uses an automation script that allows this to be done. ...
0
votes
1answer
482 views

kernel panick how to recover [closed]

I installed unity 5.0 on my Ubuntu 12.04 experimental system. After installation of unity 5.0 plus some normal updates the system still boots but is shutting down because of kernel panik. I tried to ...
26
votes
5answers
110k 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 the authorized_keys file for SSH. Luckily I have an SSH open, so I am still ...
5
votes
1answer
759 views

Create Ubuntu recovery partition [duplicate]

I have an HP laptop that came with Windows 7 installed with a recovery partition which was accessible through the boot menu in the same way you could access the bios. I wanted to be able to create an ...
3
votes
1answer
770 views

Mount an image created from ddrescue

I know this question has been asked before, but following those answers does not seem to work for me. I have created an image of a USB stick this is on my laptop harddrive. How do I mount this ...
1
vote
3answers
4k 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 ...
1
vote
2answers
2k views

can't log in after password change (ecryptfs)

I am on Ubuntu 12.10 with one user using encrypted home. A while back I have changed by user password and then forgot it. I then made a backup of my files using Dustin's help to an external drive. I ...
3
votes
2answers
352 views

Deleted /usr/bin/env by mistake, how can I recover it?

I am using Ubuntu 12.04 X64, I deleted my /usr/bin/env file by mistake. How could I restore this? Also I copy a file as /usr/bin/dev, I don't know if I originally had a file called /usr/bin/dev. If ...