General :: Recovering Data From Password Encrypted Volume
Mar 4, 2010
I have installed fedora 11 in my system. While installing it asked me encrypted password which i passed. But I forgot that. Now the problem is whenever i boot my system before going to root itself it is asking for volume encrypted password, which as i told you i have forgot. Now i am not able to access my hard disk since it is completely locked. Is there any way to decrypt the password or unlock it. Or if that is not possible can data be recovered,which is my primary requirement..
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Mar 4, 2010
I have installed fedora 11 in my system. While installing it asked me encrypted password which i passed. But I forgot that. Now the problem is whenever i boot my system before going to root itself it is asking for volume encrypted password, which as i told you i have forgot. Now i am not able to access my hard disk since it is completely locked. Is there any way to decrypt the password or unlock it. Or if that is not possible can data be recovered,which is my primary requirement..
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Jul 20, 2011
I recently suffered a hard disk failure, meaning I had to replace the faulty device. After attempting to mount the old faulty hard drive using and external caddy, I got the following message... Unable to mount 144 GB Filesystem Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sdb5, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so
I'd like to attempt to recover what I can from my /home directory but unfortunately I use encryption (although I do actually know my pass phrase). What procedures and software can I use to try and recover data from this drive?
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Feb 25, 2010
I have recently recovered from an HDD failure on my Drobo. One of the disks died and corrupted the entire array (which is not supposed to happen). I have since managed to copy the data off onto smaller disks and after replacing the failed drive, have copied everything back.
Now that im up and running again, i was wondering how this situation would play out on encrypted disks, or in the case of a drobo a large encrypted partition (as you cannot encrypt the entire array).
Would i still be able to recover the data if i were to encrypt it? It is a 4.2TB array, and i assume that I would need to copy the data in its entirety to recover it, so using multiple smaller disks would be out of the question right?
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Apr 6, 2011
I was trying to fix some hardware on my laptop and i ended up mucking the whole thing up. The HDD seems to fine though. I have it in a external HDD enclosure and it's plugged into my mothers desktop through usb.I'm trying to print some files I have, but my home directory on the external HDD is encrypted.
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Dec 26, 2010
You'd think that with two backups of all my data, which are syncronised twice weekly - that I'd be pretty safe. Fine and good until in a reorganisation of my documents folders,I delete a bunch of files - and don't notice until after I've run the backup - so they're deleted from the backups as well. Cue me beating myself around the head with the keyboard a few times about a week later when I realised.I'd advise against doing that if you have a keyboard like the IBM Model-M - it hurts.Okay, so I figure it's at least worth having a stab at recovering this data. The external harddrive's not had anything written to it since then, so is probably the best candidate. It's formatted as an NTFS volume (1.5Tb).
Now, I DO have a copy of R-Studio for Windows which I bought and paid for a few years agowhen XP managed to destroy itself and the file structure on the harddrive when it fell over installing SP2 (this was the event which lead ultimately to me switching to Ubuntu).I've found this to work quite well, though the initial scan does take a while.nfortunately, it does NOT seem to work from within Ubuntu through Wine. It runs, but can't see any drives. The only Windows environment I have access to now is Vista, andR-Studio seems to hang after running for an hour or so under Vista.
Are there any tools - preferably simple enough that I can get my head around them - which I can use from within Ubuntu to have a scrub through an NTFS drive to look for and otentially recover deleted data? I've found several tools which claim to recover things from ext3/4 drives from Windows - but not the other way around!There are a fair selection of filetypes involved here, some word documents, probably most of interest to me though are some old videos, mostly <5Mb taken on my old phone camera from university. Nothing really mission critical...but memories nevertheless.
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Apr 27, 2011
I have multiple servers, all of which have the same account with the same password, setup by someone who know longer is around. Is there any way to figure out what that password is, so i can create the same account on a new server without having to reset the password on all the other servers. I'm not sure what resetting that password would break on the others, so I dont want to do that.
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Jan 18, 2010
I reinstalled ubuntu linux and lost some mySQL database files that were located in the /var/lib/mysql/ folder. I need to recover them ASAP. How do i go about it. Is it possible to recover .frm, .myb files using scalpel. Is there an alternate software I could use?
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Jun 3, 2010
Ubuntu 9.10 64bit. Acer Laptop
Using ubuntu 9.10 cd to access laptops hard drive.
foun readme file in /media/disk/mark
opened with openoffice. THIS DIRECTORY HAS BEEN UNMOUNTED TO PROTECT YOUR DATA.
From the graphical desktop, click on: "Access Your Private Data"
or
From the command line, run: $ ecryptfs-mount-private
So I tried a couple of ways...
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Feb 21, 2011
following problem. A friend phoned me in despair. Her Ubuntu didn't start any more - ASUS-Laptop switched on stops at a ramfs-prompt.
I started Puppy-Linux from DVD-Drive. Worked fine. But puppy can't mount her /dev/sda1 partition either. At least you can see that the partition is still there. Fsck stops with an error. May be the initial problem is a sort of bad hardware by which bad bytes were written to the hard drive. Hard drive and/or memory could be replaced but not the data.
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Apr 8, 2010
I have been using fedora 12 for last 6 months, recently I bought an external USB hard drive of 320 GB capacity. I made 2 partitions using the Disk Utility in Fedora. I encrypted the first partition as it was supposed to hold a lot of sensitive data, and yes it did have. Now I had to change my OS to AV linux for some audio-video editing work which wasnt being done properly on fedora due to some issue beyond my knowledge. now the problem is my encrypted partition is not accessible in my new installation. I see an empty space on my /dev/sda1. although no change to partition data has been done and the data on the second partition /dev/sda2 is easily accessible. when putting the drive on automount, is does not ask me for the password and neither does it show me the data. I have tried fdisk and sme other utilities but have failed to get my drive unencrypted.
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Jun 29, 2010
I needed to install a new OS on a new HD but i also need the data on the old HD which has some problems (it doesn't boot anymore). The problem is that in the old one i had linux (Slackware) and so it doesn't allow me to view the content of the folder /home/myself. If there was something possible to do to recover all the data or if it will be forever lost.
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Apr 25, 2010
I purchased a larger hard drive to upgrade my HTPC running MythTV and a Samba file server. I put the old hard drive into an e-SATA enclosure and can still boot to it to access my files, but I can't seem to mount it correctly under the new installation to copy over my files even though I have the mount passphrase and encrypted filenames key.I have tried using this howto, but I run into problems with the encrypted filenames.This is how I'm doing it. I replaced the actual key data with A's and B's to protect my keys:
Code:
$ sudo -i
# ecryptfs-add-passphrase --fnek
[code].....
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Jul 19, 2010
Let's begin from the top. I have a relatively new laptop that I've been running Ubuntu on (along with a little-used Windows boot). Picked it up in November or so, installed the current "latest" version of Ubuntu at the time (9.10). I have been doing incremental upgrades, and it's been progressively breaking down more and more. Yes, this includes 10.04.
After GRUB stopped working, I decided it was time to try a reinstall from the top. I told it to leave all the other operating systems alone and do a full reinstall.
Fortunately, I had managed to stuff most of my current work in duplicate locations during this whole debacle, somehow. Don't ask me how I managed to do that when GRUB wasn't working. However, when I installed, I conscientiously said "Oh, yes, Ubuntu, encrypt my home folder! I love privacy!" As a result, about... 30 gigabytes of useful (but ultimately re-downloadable) material is rather inaccessible at the moment. When I try to boot the old system using the newly fixed GRUB, it goes into kernel panic. This seems like a no-go.
I have a saved hojillion-character long passphrase for decryption from my install back in November. Conscientiously saved in the case of just such an emergency.
I read this how-to and followed it to the letter as far as I could tell, trying to mount with ecrytfs to recover my data.
[USERNAME] here is a proxy for my actual username. Yes, the location of my old home folder may seem a little bizarre.
Code:
sudo mount -t ecryptfs /media/c82ca9fe-2b15-4aca-a98d-6482b1d80a32/home/[USERNAME]/ /home/[USERNAME]/oldhome
Passphrase:
Select cipher:
1) aes: blocksize = 16; min keysize = 16; max keysize = 32 (not loaded)
[Code].....
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Nov 4, 2010
I'm running Debian Squeeze AMD64 with full disk encryption and LVM. After reinstalling Windows 7 I lost GRUB from the MBR. I managed to install GRUB after following this guide and using an Ubuntu 10.04 graphical installation disc, but I only get to a GRUB CLI when booting, so I can't actually choose an OS there.
I tried following this guide but I'm stuck after "# Mount the partitions to /mnt/root" and don't know what to do.
Does anyone know how I can fix GRUB so I get to choose between Debian and Windows 7 there?
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Jan 10, 2010
I have an external 3.5" USB 250Gb HDD which is showing symptoms of hardware problems (repeated /var/log/messages errors of "reset high speed USB device using ehci_hcd"). This was originally plugged in to my NSLU2 running Debian Etch. I have just installed Ubuntu Desktop 9.10 to a spare Pentium-3M laptop and was hoping to copy the contents of this HDD to a fresh drive. However, I cannot mount it even read-only; mount -o ro /dev/sde3 /mnt/disk fails, and the /var/log/messages error is "recovery required on readonly filesystem", "write access unavailable, cannot proceed". I cannot understand why mounting a disk read-only should require write access. Following advice I googled elsewhere, I tried running mke2fs -n /dev/sde3 to try to list the alternative superblocks - but once again I got the error that the device was read-only. How can I go about accessing the data on this disk?
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May 18, 2011
I would like to use a USB key to hold the passphrase for an encrypted /Data partition. A forum search turned up only using that method for / which requires initrd. That's not what I'm after.In openSUSE 11.4 I want to boot normally and then automatically unlock the /Data partition only if the USB key is inserted. I'm assuming this would require some kind of automounting after or during the boot process.
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May 21, 2010
So in an environment where I have 40+ sets of completely unique sets of logon credentials. The only way I've been able to manage this is by keeping them in a hidden and heavily encrypted text file in my home dir.Would like to hear alternatives to this approach if there are any, BTW. Right now I have a script that automates the process of un-encrypting the file, launching an editor and then clean-up with shred -u after editing and re-encrypting.
What bugs me is the interim where I have the file in an un-encrypted state on my drive. It doesn't seem necessary. I have a view script that allows me to see what's in the file without saving it to the drive.
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Oct 11, 2010
I am facing a serious problem.I installed UBUNTU 10.04 and encrypted it during installation. I accidentally erased some of the necessary files from root folder. now the the OS is NOT booting.luckily i still have the encryption key i have some important documents in that drive (desktop folder).
PS: I have tried to run Live Ubuntu it shows the Root, but it does not enter any of the folder.
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Jul 3, 2011
My machine has dual boot windows xp and ubuntu 10.04. Today accidently i deleted two of my ntfs drive which contained vital projects of my college. Can anybody help me to recover my lost data.
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Jun 22, 2009
I made a mistake with lvm2 on centos 5.2.
I used parted to create a partition inside the logical volume, and then merrily used that partition, which appeared as /dev/pv-whatever/lv-whateverp1
Of course I created the FS as ext3.
So, after a reboot, I can't access anything in that logical volume with standard tools, as /dev/pv-whatever now only has the lv-whatever special file inside.
I can look inside the LV with parted fine, but parted can't copy ext3 filesystems.
Is there any way to get the data out of a partition created INSIDE a logical volume if that filesystem is ext3?
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Jan 14, 2010
I would like to grep all values other than encrypted password from /etc/shadow fileFor example,each line consists of 8 fields separated with :/The only thing that I want not to print out is the contents between first : and second : (encrypted password)
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Mar 27, 2011
I've just got a STA/IDE to USB 2.0 gadgetas a quick and dirty way to get data off a HDD Plugged everything in hoping with no particualr reason that it would work like a USB stick. Device notifier spotted drive but wouldn't mount it
Code:
dmesg | tail
[20197.639369] sd 8:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[20197.639373] sd 8:0:0:0: [sdb] Sense Key : Medium Error [current]
[20197.639378] sd 8:0:0:0: [sdb] Add. Sense: Peripheral device write fault
[20197.639383] sd 8:0:0:0: [sdb] CDB: Write(10): 2a 00 00 60 7c cf 00 00 08 00
[20197.639391] end_request: I/O error, dev sdb, sector 6323407
[20197.639397] Buffer I/O error on device sdb6, logical block 8210
[20197.639399] lost page write due to I/O error on sdb6
[Code]....
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Jun 1, 2010
I have a DVD that I want to recover. The problem is that it will not mount because it has a small scratch at the beginning of the first track. Is there any way to force mount the DVD and recover at least the unscratched part of the DVD?
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Aug 11, 2010
So I've pulled two hard drives out of my busted windows xp system (dead mb) and I'm trying to get some data off of them. The drives are in raid 0, so my friend told me that I might be able to do something if I use linux. Some late night searching on the internet directed me to a few resources, one of which was this forum. I've tried 2 methods, neither of which have worked.
1. mdadm
ubuntu@ubuntu:~$ sudo mdadm --detail /dev/sdb
mdadm: /dev/sdb does not appear to be an md device
2. dmraid
ubuntu@ubuntu:~$ sudo dmraid -s
/dev/sdb: "sil" and "hpt45x" formats discovered (using hpt45x)!
ERROR: sil: wrong # of devices in RAID set "sil_agafdhcebccj" [1/2] on /dev/sda
ERROR: removing inconsistent RAID set "sil_agafdhcebccj"
[code]....
I've got some files for work that I'd really like to get off there. I've played with unix a bit in college and I've ran ubuntu before, but usually using the GUI, so a lot of this stuff is over my head. But from what I gather, my system thinks that one of the drives isn't a raid drive?
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Jul 30, 2009
I have couple hard drives from different linux distro's. on the hdd's are logical volumes created. what i want to do is to backup the data from those hdd's. but when I connect some of them and boot up the system it
gives me an error that there are volume group duplicated and it list the UUID. My host system is centos 5. What is the best solution to rename those volume groups or to mount the drives from other systems, so the data will not get lost?
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Jul 7, 2010
I recently resized one of my Logical Volumes that contained 160MB data from 500MB to 6.5GB. After resizing it, I checked the size of the data via 'du -sh' and found that my data had reduced to 143MB.
Fortunately, I backed up the the 160MB of data on another partition before resizing the Logical Volume. I ran 'diff' on both directories holding the 160MB and 143MB, but there was no difference detected.
how come there is a 17MB difference after resizing?
In case you're wondering how I performed my resize, this is what i did:
e2fsck -f /dev/VolGroup01/LogVol00
lvextend -L +6G /dev/VolGroup01/LogVol00
resize2fs -p /dev/VolGroup01/LogVol00
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May 16, 2010
I was trying to delete a logical drive in windows xp and the damn disk management tool in windows not only deleted my other windows partition but also my linux /data ext3 partition. Now I have a unallocated space in place of these partitions. The data is still there but the entries in the partition table have been removed. So how do I recover my partition. I was trying to use the following tutorial. [URK]
I used the sudo parted /dev/sda -- and then rescue START END command and could get back the /data partition. But it gives me the following error while mounting the partition. mount: wrong fs type, bad option, bad superblock on /dev/sda7, missing codepage or helper program or other error. In some cases useful info is found in syslog - try dmesg | tail or so.
What does this mean. How to I fix this? Also when I try to recover my windows partition using parted it scans for a while and then does nothing. It doesnot ask for writing the lost partition in the partition table. What do I do?
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Jul 27, 2009
I started some months ago with Fedora 10, installed (on a barebones hardware package) from a DVD I got with a magazine. I liked it, and it worked fine. When 'Update Available' messages arrived, I installed the updates. When Fedora 11 arrived the same way, I installed that, a few weeks ago, and it, too, was working fine. A few days ago another 'Update Available' message arrived, and I installed it, unfortunately without backing up first. There was a message then that said to restart computer (which was still working fine).
I restarted the computer, and it would go as far as the moving blue bar across the bottom, then stop with a blinking cursor on a black screen. After trying several things, including the recovery part of the original DVD, I put a different, clean drive in the computer and reinstalled Fedora 10 from the original DVD. What I was hoping is that I could then install the original drive as a secondary one and get access to the files on it.
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Dec 3, 2009
The following quote is the sad, sad story of a thumb drive with the partition table nuked, as told by a friend of mine:
Quote:
Data was recovered from an XP system by booting with a BartPC CD and copying onto a USB thumb drive. Nothing unusual.
System was rebooted into the XP install CD.
The first drive that was found was the 16gb thumb drive (AKA flash drive) and the person (re) installing XP didn't catch the fact that XP presented the 16gb thumb drive instead of the 160gb hard drive.
The drive partition function in XP deleted the partition table - on the thumb drive.
A freeware utility in Windows shows the data but can't recover the file names, so that everything is gobbledygook. Does anybody know of a utility or program under Linux that can help? I have a laptop running F 12 and can do the work if needed, but don't know what program to use.
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