dd is a common Unix program whose primary purpose is the low-level copying and conversion of raw data.

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Is there a faster way to only occupy disk space than dd [duplicate]

In order to test that our systems correctly detect that they are running out of space, we just need large files on the disk where we do not care about their content at all. At the moment we use dd ...
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1answer
80 views

How to use the dd command to copy an .img file to an SD card?

I've been trying to use the dd command to send an .img file of mine to a partition on my SD card. The command is: dd if=/dev/sda6/media/david/desktop/stellar-unbrick.img of=/dev/sdb1 Unfortunately, ...
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2answers
60 views

GZip of drive image created by using `dd` command

I created yesterday a drive image using GZip. I opened the 51.3 GiB file named ssd.img.gz to see one icon thats a package of 3.9 GiB, yes, thats THree point Nine Gigabytes in size and has the name of ...
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0answers
80 views
+50

Directly archive dd output without compression

It has been determined already (see this question ) that tar cannot archive a file reading the file itself from stdin. How could a dd output be directly archived without compression? The purpose of ...
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1answer
57 views

Freeze while dd was wiping a hard disk, how do i avoid starting over again?

Some days ago i decided to wipe my 750GB hard disk in order to sell it, so i booted Ubuntu 14.04.2 from a live DVD on my main machine and started the process with sudo dd if=/dev/zero of=/dev/sda. I ...
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1answer
40 views

Disk image, partitions selectively, all this using dd [closed]

Start point situation: HDD with MBR scheme, four primary partitions, one of them is Windows XP system and boot partition. Remaining partitions are used for plain user data files. This formatting was ...
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2answers
583 views

Issue creating bootable USB using dd command

It's a while that I'm trying to create a bootable USB drive with a Windows on it. I first tried with Unebootin unsuccessfully, I reckon the reason is the fact that the last version doesn't support any ...
0
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2answers
47 views

cloning several hardrives using the dd command

I'm developing a software to clone one hard-drive onto several other. I want to clone the content to up to 23 drives at once using dd to clone the partition from the source to the targets using sudo ...
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1answer
43 views

Can not unlock from and lock to Launcher

I just use dd -ip /dev/sda -op /dev/sdb to clone my old disk to new disk, and boot from my new disk. All the things remain the same except that applications in Launcher changed back to default. Why? ...
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6answers
5k views

How would I speed up a full disk dd?

I am doing a dd on two identical drives with this command: dd if=/dev/sda of=/dev/sdb bs=4096 Both hard drives are the exact same model number, and both have 1TB of storage space. /dev/sda uses a ...
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1answer
57 views

How do I DD backup the Microsoft Surface onto a Image file? Has anyone done this and restored it successfully?

I normally back up my PCs with a disk dump. Its effective but slow, but required for us. I usually do something like this: dd if=/dev/sda bs=512k of=/mnt/MyUsbStick4TB/BackupOfMyCDrive_sda.dd Can ...
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2answers
95 views

SD card Mounting Copying and file recovery

My micro sd card stopped being recognized by my win2008 computer after a copy paste failure (maybe the card was full? or the antivirus stalled it and now the MBR is corrupted?). Now I want to see if ...
0
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1answer
400 views

fallocate failed: Operation not supported

When running, fallocate -l 10G /path/to/file I'm returned the following error: fallocate: file: fallocate failed: Operation not supported Creating the file using dd (if=/dev/zero or ...
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2answers
3k views

Is my command to clone a drive optimal?

I have done half an hour reading around to prepare to clone my hard drive. It has multiple partitions, including a Windows partition. I am going to buy a very large external hard drive for the ...
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2answers
36 views

Harddrive replication without *full* dump (dumping partitions is OK)

Today, I bought a second server almost identical to my first one (I guess). Specs (processor model, RAM, HDD) are the same. But I failed to copy the disk of the first one to the second one. It didn't ...
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1answer
32 views

Lost Harddisk data after creating Bootable disk with it

Today, I tried creating bootable disk(on external harddisk) in ubuntu using the below dd command and it erased all my harddisk's data. dd if=<source> of=/dev/sdb1 bs=<byte size>; sync ...
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3answers
83 views

dd: Operation not supported (on unmounted, but not ejected drive)

I have looked through the other questions here on AU, and none of them seem to help me deal with this particular problem, so I am starting a new question. For some context, all I am trying to do is ...
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0answers
22 views

SD card image library manager

I'm currently playing with lots of SD cards for various raspberry pi's and I'm looking for a program I can use to take backups of them, store them on my desktop, and write them back to cards when ...
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1answer
13k views

Why dd is not a reliable command to write bootable .iso files to USB thumb drive?

As the answers here indicate Ubuntu .iso s are not expected to boot if copied with dd to a USB thumb drive. Now my question is why is so that some Linux distributions have the option to directly write ...
0
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2answers
60 views

Trying to use dd to write an iso to a usb stick to be used in Windows 7

I have a Win7/64 laptop without a DVD drive, and a copy of Office on a DVD I'd like to install. I figured I could use another machine running Xubuntu 14.04 to make an ISO of the disk, write that ISO ...
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2answers
171 views

USB Disk stuck in read only after dd an ISO

This has probably been asked before but I have not been able to find it so I'll ask again. Here's what I did: sudo dd if=./windows.iso of=/dev/sdb #sdb is a 64gb USB disk Afterwards I was unable ...
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0answers
50 views

bash script: netcat output not occur and not identified

I want to create partition image of a rooted Android Smart Phone. In a terminal I can do it as below. Session 0: adb forward tcp:31337 tcp:31337 Session 1: adb shell su :/# dd if= bs=4096 | nc -l ...
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3answers
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 ...
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1answer
1k views

Trying to mount ddrescue image from a 1tb crashed ntfs drive

It was time, after 5 years my 1tb external drive with all of my family photos and all my music crashed. Stupidly enough, i did not have two drives in raid, which i will do in the future. I ...
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1answer
2k views

using the dd command to copy the content of a folder

I'm trying to use the dd command to copy the content of the folder boot0 to the my disks intial bytes. This is the command : sudo dd if=boot0/ of=/dev/sdb ibs=440 obs=440 count=1 But I get this ...
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1answer
46 views

dd confuses grub (and gparted)?

The initial problem was this: I wanted to test the installer I was creating for my app, but of course every time I run the installer it modifies the system, and I needed a way to reset the system to a ...
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0answers
41 views

Recovering harddrive after using dd [duplicate]

Ok, it was late last night and you know what happens when running sudo at that time...disaster. I ran sudo dd if=/dev/zero of=/dev/sdb bs=8k count=10k on two of my harddrives, both containing my ...
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2answers
70 views

File Permissions from .dd image

I am trying to access files from a .dd image made of my MacBook Pro. Not the complete disk with the recovery partition and everything, just the partition where my files are. I can mount it in Ubuntu ...
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0answers
102 views

Kernel panic error while installing Minimal CD

I recently created a bootable USB of Ubuntu 14.04 Minimal CD using the disk destroyer. When I boot, I have the options - Install, Advanced Install, Command Line Install & Help. Clicking on any of ...
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1answer
44 views

Why won't my system boot off of a partition that I just transferred the Ubuntu install image to using the dd command?

I have a drive that I would like to install Linux onto, for eventual use on another machine. I want to bring the Ubuntu installer image onto a 20GB partition, and then boot into that. When I boot ...
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0answers
39 views

When installing Ubuntu, can I use the dd command to copy the image to my 1TB hard drive for subsequent insertion into another machine?

Typically people are installing Ubuntu using a USB drive or burned DVD, but I don't have these. I would rather just go with installing to the destination hard drive itself, make it bootable, and ...
118
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10answers
96k views

How do you monitor the progress of dd?

dd is a wonder allowing you to duplicate a hard drive to another, completely zero a hard drive, etc. But once you launch a dd command, there's nothing to tell you of it's progress. It just sits there ...
2
votes
3answers
5k views

Mount sd-card image (created using dd)

I have created an image of my Raspberry Pi SD-card using dd: sudo dd if=/dev/sdf of=/home/myusername/raspberry-backup-2014-04-10.img The SD-card includes two partitions (one vfat, one ext4) which ...
2
votes
3answers
99 views

dd image size - does it equal the size of the partition?

I am using dd to create an image of my boot partition on Ubuntu 14.04. This is my first time doing this. In checking the usage on my disk, I used df -h. You will see that my /dev/sda1 partition is ...
2
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1answer
52 views

Trouble with simple script :(

Could someone please tell me why this script doesn't run correctly. Seems to be a problem with the if statement as i keep getting the error: /home/sinttx/Development/backup/ddbackup.sh: line 18: ...
29
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4answers
24k views

Mount single partition from image of entire disk (device)

I made an image of my entire disk with dd if=/dev/sda of=/media/external_media/sda.img Now the problem is I'd like to mount an ext4 filesystem that was on that disk but mount -t ext4 -o loop ...
0
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1answer
87 views

How to create backup image of clean Windows partition without using dd?

I would like to create image of my fresh Windows 7 partition (with drivers and updates only). It occupies 'only' about 35GB of my 250GB partition, so I'm searching for alternatives to dd because I ...
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4answers
22k views

How can I know how long `dd` cloning will take?

I have to dd a couple of 1TB hard drives. They are taking several hours to clone and I was wondering if there was any way possible of knowing how fast they are going, how much they have done and how ...
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10answers
22k views

How to clone to a smaller harddisk?

How to clone a harddisk to a smaller sized one. Clonezilla is great but it doesn't support such functionality. Also dd and PartImage don't support this demand. rsync will not copy the MBR since an ...
0
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1answer
96 views

After rescue with `dd` - what to do?

I have an external that very suddenly conked out on me. It might not be in horrible shape, although I can't be sure. I just tried to recover it by using ddrescue, straight to a big partition. sudo ...
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1answer
24k views

How do I use dd to clone an external USB drive installation to a local hard disk?

can I use the dd command to clone my ubuntu installation from my external disk to my local hard drive. will it even boot? I think I can, but not sure. do I need to make the output partition on my ...
0
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2answers
80 views

Using dd and an sdcard

I had Ubuntu 14.04 running sweetly however when installing an IMG to an SD card for a raspberry pi like so: dd bs=4M if=2014-06-20-wheezy-raspbian.img of=/dev/mmcblk0 My beloved Ubuntu now boots ...
2
votes
2answers
447 views

Can I cancel dd command and rebuild partition table?

I am attempting to fix the partition table on a 1 TB hard drive. GParted on my live disk sees the drive as being "2 TiB"... It is clearly labelled as 1 TB on the outside. I started a low level ...
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2answers
119 views

Creating a large size file in less time

I want to create a large file ~10G filled with zeros and random values. I have tried using: dd if=/dev/urandom of=10Gfile bs=5G count=10 It creates a file of about 2Gb and exits with a exit status ...
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3answers
16k views

is DD taking too long?

I set up dd to clone a smaller system 40.00GB hard drive (/dev/sda) to a new bigger 111.00GB one connected via a USB reader (dev/sdb) and Its been going for two hours now. The activity meter on the ...
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0answers
57 views

boot issue after cy with dd command (error : file '/boot/grub/i386-pc/normal.mod' not found)

I'm running Ubuntu through a 16GB USB having one partition for the OS and one dedicated for swap and all is working well. I wanted to make a copy of this usb key to a 32Gb key to increase the ...
0
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1answer
297 views

Backing up a HDD using dd

I'm trying to install Linux Mint alongside Windows 8 on my laptop, but the install disc did not recognize Windows, so I'll have to do a custom install, which is something I've never done, and I want ...
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0answers
43 views

flash disk not mounted in ubuntu 14.04

I am new to Linux and I have installed recently ubuntu 14.04. I have an .img file of 2GB and I want to make my flash disk bootable with this image. I used the command: dd if=xxx.img of=/dev/sdb1 ...
0
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2answers
1k views

How can I clone a hard disk to a smaller SSD?

I have a hard drive in my laptop with a windows and an ubuntu partition. I got an SSD to replace my hard drive, but it has a slightly lower capacity. I've already partitioned the SSD to the sizes I ...
0
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2answers
602 views

how can i recover a raw iso file to a partition?

Well! I made a ISO file from a USB with dd command, like this way! sudo dd if=/dev/sdc1 of=/var/isos/hbcd.iso conv=noerror My USB had a fat32 file system I tried recover with next commands sudo ...