Recovering Data from a hard drive
location: ubuntuforums.com - date: March 14, 2013
First let me provide a bit of a back story. A few years ago I bought a D-Link DNS-323 NAS so that my wife and I could keep our photos and important digital media safe (ran it as RAID 1). The last few years it has been giving us problems. I always wanted to fool around with Ubuntu/Linux and finally found the time. I set up a basic server with some help, and it finally came time to transfer the files. Turns out the one disk is dead, can't get any info off of it.
The second one is working, but it will not let me access it. I tried to use the hard drive in the DNS-323 networked, but it won't let me access it (permission denied). Used the DNS-323 ftp server, and with that I was able to access it and see the files but I couldn't download anything. Unplugged the hard drive and plugged it into my Windows machine (used a program that will read ext2/ext3 formatted disks) and it would not let me in. Finally I plugged it into my Ubuntu machine and did a fdisk -l, and it told me the partition was
Recovering data from a hard drive with LVM a partition
location: linuxquestions.com - date: January 18, 2010
I have an external USB hard drive that I need to recover some data from, but I see from fdisk -l that the partition uses LVM:
Reading Last Block of data in the USB Pen drive using dd or any other command
location: ubuntuforums.com - date: September 21, 2011
I am facing any issue while reading the last block of the USB Pen drive through script.
Reading First Block of Data:
dd if=/dev/sdb1 of=/home/user/firstblock.txt bs=512 count=1
Reading Last Block of Data:
dd if=/dev/sdb1 of=/home/user/lastblock.txt bs=512 count=1 skip=??
How i will come to know about the skip block of input file to read the last block in script.
Using dd command, i was able to read the data from the USB Pen drive but my issues are,
i) How the script will automatically know that, where the USB Pen drive is mouted?
ii) If it identifies the mount location of the pendrive, how it will know its size and read the last block of data alone.
Please try to help me and share your knowledge(Experts)/Improve your knowledge(Learners)
Thanks in advance.
Finding Hard Drive Using Knoppix STD
location: linuxquestions.com - date: June 25, 2006
I am not very experienced with linux, and i heard that knoppix STD was the best way to recover the Windows/system32/config/sam file. I have booted up the program on several computers and have been unable to find the hard drive to even begin to search for the file. Knoppix loads onto a RAMDrive, and is booted from the CD. If you guys could help me out, i am trying to recover some documents off of my computer, and i have misplaced my password.
If it may help, the hard drive is a Serial Ata.
Recovering Data from Remaining RAID 1 Disk
location: linuxquestions.com - date: May 2, 2009
A while back, I had a PC with two hard drives configured in a RAID 1 array with mdadm. I stored a lot of data there, though nothing too important. The OS installation went south at one point and I installed something over it. I left the RAID array untouched but notably didn't backup my mdadm.conf.
A year or so later, I now have a new PC with a new OS installation and only one of the disks remaining :-) I would like to mount the remaining disk, pull the data off and start using the disk for other purposes. Everything I'm reading tells me that I'm fine as long as I either have or recreate mdadm.conf AND as long as I go buy another disk to replace the missing one.
I've also read allusions to the ability to tell mdadm to mount an array with "missing disks" but haven't seen any instructions on how to do so. I've tried just popping the disk in and mounting it like a regular disk but mount refuses to do so, citing that it is of type "Linux RAID" or somethin
HOW TO Back up your data using Rsync and SSH.
location: ubuntuforums.com - date: March 20, 2012
(scroll to bottom if you want a much less informative synopsis of what will be covered)
When I first began tinkering with this idea, the whole SSH thing kind of confused me, mostly because I didn't think SSH would be easy for an end user to utilize. While SSH is very complex in design, they've made it super easy for the end user to set up an authentication key set. Essentially, SSH is a 1 to 1 authenticated connection that can be obtained without a password. Once this is in place, you can utilize rsync to run automatically.
Before we begin, please ensure you have openssh-server installed on your file server in question.
sudo apt-get install openssh-server
Next, we need to set up a key pair. You will receive a public key and private key.
You will be asked some questions, such as whether or not you want a password to the key pair, etc. I chose no and basically left everything else default. I went with no password because SSH keys are pretty dar
using dd to image drive takes long time
location: ubuntuforums.com - date: February 16, 2009
Not exactly an absolute beginner, but probably made an error (at least in judgment) that might be helpful for beginners. For the record, this is the first time I've tried to image a hard disk from the linux command line so it probably fits nonetheless.
dd if=/dev/sda | bzip2 -9 > backup.sda.img
This started at about 5 AM this morning and it's now 9 PM (or close to it).
This is on a 250 GB drive with two primary partitions and no extended partition. The drive is less than 10% full (~23.5 GB; new laptop).
The time it is taking and the size of the file (so far) has me baffled. After 16 hours and 24.2 GB so far, I would think I would be close, but am I? Should I let this go? Will it go to 250 GB? I have the disk space but not the patience if this is going to take five more days to finish.
Maybe I should have done 'dd' without piping to 'bzip2' and did 'bzip2' on the resulting dd output. Ideas?
Recovering data from dead NAS
location: ubuntuforums.com - date: September 16, 2012
I'm trying to recover the data from my recently dead Seagate Blackarmor NAS 110.
It's got a 1TB SATA drive, which I had previously assumed was formatted NTFS.
The NAS died today, and while it won't be the end of the world, I have over 650GB of data that I'd really rather not lose.
I removed the drive (no easy task) and hooked it up inside my desktop. Much to my everlasting surprise, it's not formatted NTFS. It's actually got 3 ext3 partitions and a linux-swap partition. (plus a couple chunks of unallocated space)
What's throwing me off is that even though there's one partition that is obviously the data partition at 928GB, and the others are quite small, gparted shows that all 4 partitions are flaged as RAID.
Does anybody have any idea where I should get started with trying to get these partitions mounted so I can move my data to a new NAS?
Using a USB flash drive with Linux
location: linuxquestions.com - date: September 9, 2003
USB Flash drives are one of the coolest new tools available these days. And they're getting so cheap, it's easy to carry one around with you anywhere. Finally it looks like the USB flash drive will kill off the floppy once and for all – except for the lack of native Linux support.
I carry my files back and forth from the office to home with a 32MB USB flash drive. But transporting files from my Linux test machine at work typically involves two steps:
1. Copy the bits onto a Windows machine via Samba
2. Write those bits to my USB flash drive using the Wintel machine.
Now this is not really an arduous process, but wouldn't it be nice to use that flash drive directly in the Linux system? Well I recently figured out how to do that, and I thought I'd share my experience with you.
This tip was put together on a box running Red Hat 9, but the same procedure should yield the same results on any Linux distro.
To start off, you'll need to be logged in a
Using Dropbox as a drive
location: ubuntuforums.com - date: May 12, 2013
Is it possible to map Dropbox as a drive in Linux?
I have an android tablet (Moto Xoom 2 ME) with Quickoffice HD installed as a stock app. I can open a document from dropbox (or Google Drive, Evernote...) edit it and hit save and it saves my edit to the server. I'm sure it probably caches it somewhere but all I see as the user is dropbox being used as a drive with no manual managing of files other than hitting save in my office app. Skydrive on Windows 8 works similarly and again brilliantly with Office 2010 but not quite so well yet with dropbox (it opens but any edited documents have to be manually managed). This is great for some of my devices that have limited storage compared to my 52GB available on dropbox.
So the question is, can this be done on Linux? If so, how?
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