Apple Disk iMaGe file format

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Location of the sparsebundle filevault password hash

Okay, here's the thing. It's a long story, but I have a Macbook Pro with a filevault-encrypted user home folder running on Mountain Lion. The user account that the home folder belongs to forgot their ...
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1answer
16 views

Can't figure out how to correctly install .app

I downloaded a dmg which apparently OS X mounted as a drive or something. Then I googled around to find out I should ctrl+clicked -> open the program and get past the warning messages. I closed the ...
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1answer
26 views

DIsk Image shows larger size unmounted then when mounted. How to fix

I have an encrypted dmg (Mac OS Extended Journaled) read/write and it shows a size of of 768.46 GB unmounted but only has a mounted capacity of 665.72 GB. I think something may have been corrupted ...
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1answer
152 views

Unable to convert dmg to encrypted dmg on Yosemite

When I try to convert a regular (internet downloaded) dmg file to an encrypted dmg (256-bit AES) using Disk Utility on Yosemite it gives me this error message: How do I get this to work on Yosemite? ...
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1answer
92 views

How to “chroot” a terminal inside a DMG?

I'm doing security research and for that purpose I use an SHA-2 encrypted DMG to store the tools and files I work with (containing confidential client info), to protect them from forensic examination ...
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1answer
30 views

DMG or Package Installer

If I need to download an App, what method of installer should I prefer DMG or Package Installer? Which has greater advantage.
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2answers
451 views

hdiutil: compact failed – Function not implemented

When compacting a sparse image with the hdiutil compact command, it fails with the message hdiutil: compact failed – Function not implemented.
3
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1answer
78 views

Finder remounts DMG files that I opened previously

When I mount a .dmg file or open files in my drive (using text editor or other app), the Finder will automatically remount all .dmg images that I used before. For example, I do something in DMG A, ...
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1answer
88 views

How can I resolve this error during a dmg copy operation

I am trying to copy a 200GB dmg file between two disks (one firewire, one local) and see this error: The Finder can’t complete the operation because some data in “mbp_18_06_2011.dmg” can’t be read or ...
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1answer
294 views

Finder shows .dmg is unmounted, Trash refuses to delete it

I downloaded a .dmg file for an application, and now after installing the app and unmounting the .dmg I can't delete the .dmg file because Trash says it's "in use". Finder shows no mounted .dmgs, yet ...
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1answer
217 views

Deleted Users Confusion/Worry

I found a 'Deleted Users' folder, which apeard on the side bar of the finder some how, which I've never seen before. I'm confused how they got here and why I never saw them before. It has two .dmg ...
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2answers
572 views

DMG password protection under Mavericks

Under Snow Leopard I applied password protection to some archives on a Flash drive. Upgrading to Lion and later Mountain Lion did not affect that protection, but Mavericks strips it from some (not ...
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2answers
80 views

Opera dmg corrupt

I have been trying to download the Opera DMG from my Mac OSX on a very slow internet. Everytime, the download starts, reaches a little above 1 MB, and then shows as download complete. When I try ...
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3answers
10k views

Install Ghostscript on OS X 10.9 using DMG file

I want to install Ghostscript on my OS X 10.9 using a valid DMG file, where can i find it?
2
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1answer
58 views

Secure access to data while retaining convenience and performance

I am looking for a convenient solution to the following problem: I have some large data (tens of GB) that resides on the hard drive of a Mac. Access to the data needs to be restricted so even users ...
0
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0answers
238 views

Can't create an encrypted disk image (permission denied)

I am trying to create a new blank disk image from the Disk Utility and when I select any kind of encryption and click on 'Create', it says it is unable to create the image because of 'permission ...
0
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1answer
57 views

Mounted encrypted disk images are accessible by other users

Is it normal that mounted encrypted disk images appear on the other user's desktop as well if you have two different users at the same computer? This phenomena has been around for some time now. I ...
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2answers
1k views

How to access a newly mounted DMG from VMWare Fusion (Windows 8.1)?

I'm running Windows 8.1 on VMWare Fusion, on top of OS X 10.8.5. I have some DMG files on Mac that I mount sometimes to work with. These are some encrypted data folders. Can I access them from the ...
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1answer
2k views

VirtualBox: run OS X inside OS X

I am using Oracle VirtualBox to run OS X inside OS X. This entails running OS X on Mac-branded hardware so does not break any license agreements. I am following the instructions on this site: ...
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1answer
23k views

OS X Mavericks: InstallESD.dmg and BaseSystem.dmg

I would like to make a bootable DMG or ISO file with OS X Mavericks on it. I want to then burn this file to a DVD-ROM (or, alternatively, make a bootable USB stick with it). From what I've read, ...
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1answer
613 views

Are the files in an encrypted dmg actually in plain text on the hard disk

It seems standard to use Disk Utility to create an encrypted disk image. I would like to know how secure this is. I can imagine that the "encrypted" files are not really encrypted at all, and continue ...
2
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1answer
297 views

What do I do if the disk image data is corrupted?

I am trying to install Sims 3, but it opens a window saying that "The following disk images couldn't be opened because the image data was corrupted." What can I do to resolve this issue?
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1answer
539 views

Removing non App Store apps

I use several apps installed using .dmg files downloaded from other sources rather than direct from the App Store. When I try to remove them through Launchpad, these apps will not show the X button ...
3
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1answer
228 views

How to disable dmg autorun?

I have downloaded a dmg file called BaiduYun_2.2.0.dmg, which, on double-click, shows the license agreement window straight away, instead of showing an installation package or an application that can ...
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2answers
993 views

How to make a .dmg file?

I know how to make a .dmg file but I do not know how developers (Mostly games) create a window where there is the software file and sometimes theres a readme file. When I create, It shows just a ...
3
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1answer
951 views

Drives and dmg's mounting okay but not appearing in the Finder sidebar

Drives and dmg's are mounting okay on my Mac, and I can find them at /Volumes/. However, they aren't appearing in the sidebar in the Finder. What's the best way to start fixing this?
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2answers
760 views

Why do all of the .dmg files I download end up on my desktop?

When I download a .dmg file it somehow ends up on my desktop automatically. Even after I install the .dmg, it is still on my desktop. How do I stop these from appearing on my desktop? Should they be ...
3
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1answer
551 views

In Disk Utility, what advantages do “read/write disk image”s have over “sparse bundle disk image”s?

If I want a read/write disk image, then aren't sparse bundle disk images always the way to go? They start at 0 kb in size, and grow to accommodate whatever you add to them, and if you delete stuff, ...
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0answers
434 views

How preconfigure os x install image for automatic install?

I want to build a custom system image of OS X (say ML). I want to install it on the virtual machine (not really important). I want a never-boot image (i.e. not a preinstalled image) fully configured. ...
8
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1answer
31k views

How can I convert a DMG to ISO on Mac OS X (preferably for free)?

I have medical records within Windows software within a DMG disk image. How can I convert the DMG to an ISO format on Mac OS X? Is it possible to do it within Disk Utility or CLI easily, or do I need ...
2
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3answers
367 views

.dmg files organization

Today I needed to view the contents of OS X's SDKs, which are published as .dmg's. To my surprise, I discovered that the structure is as follows : The .dmg contains a hidden .pkg files The .pkg ...
1
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1answer
634 views

Image files made with Disk Utility creates parent folder

I'm using OS X 10.5.8., updated from 10.5.2. which I installed from the two installation DVDs that came with my MB404 MacBook. I recently found my original 10.5.2. installation DVDs, which I thought ...
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1answer
330 views

Mount a disk image as physical USB drive?

I have an certificate manager ("BankID") that allows me to export certificates from its certificate store. However, for some stupid reason it only allows me to export these certificates to USB drives, ...
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1answer
197 views

How to change the background of an DMG Software License Agreement dialog?

When I create my own dmg-images, I always attach a software license agreement to them. When I opened the flattened image, I always got the Jaguar "X" in the background of the agreement dialog, where I ...
6
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1answer
501 views

auto unmount .dmg if it has not been accessed for a while

Is there a way to automatically unmount a specific volume (mounted from a .dmg/.sparseimage) if it has not been accessed for a specified period? EDIT: This would be especially useful for password ...
4
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2answers
4k views

Is there any way to crack a password-protected disk image?

I have created a .dmg file with password. Unfortunately I forgot the password and I my Google searches have not resulted in a way to reset the password of this .dmg file. Please help me find a ...
0
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1answer
178 views

How to convert .dmg to Directory-folder

I just Create one Directory to .dmg file using Disk Utility. Can anyone Please Tel me how to convert .dmg file in to older Directory-folder.
7
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2answers
5k views

hdiutil convert/rsize resource temporarily unavailable

When trying to convert or resize a dmg image I get the error: hdiutil: convert failed Resource Temporarily Unavailable error or hdiutil: resize: failed. Resource temporarily unavailable (35). ...
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0answers
76 views

Unable to mount DMG - appearing as a folder

I downloaded a DMG in multiple parts, split into .dmg.001, .dmg.002 etc. I "uncompressed" the first file (just double-clicked and a single folder .dmg got created) The dmg is of the right size (690 ...
1
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1answer
451 views

Finder opens new window each time

I just created a DMG and threw some folders in it. If I double-click a folder it opens in a new Finder window each time. Folders outside of the DMG are still opening normally. Holding option when I ...
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1answer
196 views

Best way to back up old CD-ROMS?

I'm trying to backup all of my old backup CDs from over 10 years ago to simple DMG files on my harddrive - since CD's die (already have one that won't read) and they take up a ton of physical space! ...
2
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1answer
109 views

Unique volname for DMGs

We have a build process that is now doing the common layout for distributed DMGs. This is done in a way that I've seen in many places -- the DMG is attached, then Finder does its job via osascript. ...
4
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3answers
4k views

Is there a command to install a dmg

I want to install a dmg file on a remote server. All I have is an ssh access. Since a DMG is a disk image, I tried to mount it, but mount does not seem to recognize its format. file says my dmg file ...
14
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2answers
2k views

Why can't I open DMG files which reside on a read-only NFS filesystem?

I've discovered a strange problem... if I have disk image files (DMGs) which reside on a read-only NFS share, I cannot open these in Mac OS X 10.7.5. The same files open fine when accessed over AFP. ...
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1answer
987 views

XQuartz disk image won't open

Every time I try to open the .dmg to install XQuartz, a window pops up saying the following disk images couldn't be opened and the reason shown is not recognized. I don't know if I need another ...
1
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3answers
3k views

How do I restore a Windows 7 DMG file to Boot Camp (and make it bootable)?

My iMac's HD died last week, and so I was unable to access OS X (I had a Time Machine backup of it though). Fortunately I was able to boot into the Recovery HD and use Disk Utility to backup Boot Camp ...
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1answer
3k views

Booting Windows 7 in Boot Camp shows a black screen with a blinking cursor

I am trying to restore a DMG image of a Windows 7 Boot Camp partition back to Boot Camp. (I know that I should have used Winclone, but I didn't have that option because the drive was already dying and ...
0
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1answer
259 views

Adobe/mac users: what are the LS1.dmg files(can i delete them)?

I'm using Disk Inventory X to help open up some space on my hard drive. I found some disk images in my users folder, each taking up more than a whole gb of space: the files : ...
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1answer
25k views

How do I install applications from a .dmg file? [duplicate]

Possible Duplicate: How do I install an application from a disk image? I just got my first Macbook Pro yesterday and one of the first thing I did was to download and install Mozilla Firefox ...
2
votes
2answers
531 views

How to set read-only dmg background picture in Mountain Lion?

Until MacOS 10.7, I used to put a png file in a read/write dmg, then I set it as its background picture, then I hided it and converted the dmg to a read-only one. Everything just worked. Now, in ...