Apple Disk iMaGe file format

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Mounted image appears empty in Finder

I decided to reinstall MacOS X from scratch. I have rebooted my mac with Cmd+R, then used Disk Utility to create a .dmg disk image on a USB drive. I then rebooted the computer and verified that I ...
2
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1answer
396 views

Installing OS X Yosemite from compressed DMG file in VMware Fusion

I would like to install OS X Yosemite in VMware Fusion 7.0. If I select the DMG file my university is providing, VMware is unable to boot from the DMG file. The image is a compressed DMG. ...
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1answer
87 views

Problem moving application from DMG file

I downloaded vlc-2.2.1.dmg to my computer and it opens ok. When I try to copy the app to the Application folder I get this error message. When I try to open VLC from the DMG file it runs fine. I ...
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24 views

How does Apple track the origin of a program?

So, I downloaded an Xcode DMG from Apple's website from my main Mac. I copied this DMG to a samba network share. Later, I went on an entirely separate Mac and copied the DMG off the samba network ...
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14 views

How can I make volumes that I mount be opened in the current Finder tab instead of in a brand new window?

For example, if I mount a downloaded disk image, it opens in a new Finder window, with the toolbar missing (and therefore with the status bar at the top instead of at the bottom and with the tab bar ...
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46 views

Create PKG file from DMG

I am attempting to create a PKG file, from a DMG. Any idea if this is possible and what tools do I need to make this happen?
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3answers
360 views

How to open .dmg file or install XCode on Windows?

I am mostly windows developer and had to step into iDevelopmentWorld. Went to apple to get XCode, downloaded it, however file extension is .dmg. Windows does not recognize it as executable and throws ...
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0answers
27 views

Disable 'hide toolbar' in Finder

Is it possible to permanently overwrite the 'Hide Toolbar' and 'Hide Sidebar' setting in the Finder, particularly in DMG images with downloaded Applications, so that the toolbar and sidebar are always ...
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0answers
49 views

Getting Garbled Alert popup in Yosemite

When I clicked on a proprietary dmg, I found this garbled alert. Whereas previously in the 10.8.x version, this DMG message is clear, it is unreadable with 10.9 and later.
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236 views

can not erase/eject chrome .dmg/disk image on desktop without uninstalling chrome

I have this same problem, as Alex (Cannot empty trash after deleting .dmg) and none of the answers address it... when i downloaded chrome, a disk image icon showed up on my desktop. you click it. ...
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1answer
49 views

how do I launch firefox after installing it?

I downloaded the .dmg for Firefox, clicked on it, was prompted to drag it to the Applications folder, did so, but cannot launch it. The directions are to drag the icon from Applications to the ...
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1answer
54 views

Why do downloaded applications arrive as .dmg files

When downloading most applications from websites they are usually packaged into dmg files. Is there any specific reason why people distribute apps in dmg files instead of zip files? If so why do ...
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1answer
59 views

“Identical” DMGs: one installs, one does not

We've got a DMG from a vendor that we put on our web server for download. After download, the file on my Mac (OSX 10.10.1) is identical to the original file (did a hex compare), and the DMG mounts ...
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2answers
335 views

What is the differences between Dreamweaver_14_LS20.dmg and Dreamweaver_13_LS20.dmg?

I find that there are two versions of Dreamweaver CC for Mac OSX, one is Dreamweaver_14_LS20 and another is Dreamweaver_13_LS20. Can anyone tell me what is the exactly differences between these two ...
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0answers
227 views

Why does hdiutil fail on symlinks when creaing an image of a Time Machine backup?

I am trying to create a compressed disk image of a Time Machine backup (that is stored on an external HDD) on Yosemite. hdiutil fails on the first symlink it comes across. Before the failure, there ...
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4answers
1k views

Is it possible to restore OS X .dmg file to External Drive?

I recently traded in my iMac with 1TB HDD for a MacBook Pro with a 256 GB flash drive. I want to restore my previous hard drive but obviously it won't fit on the new hard drive. Is it possible to ...
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1answer
106 views

Unlock an encrypted DMG on login

How can I unlock an encrypted DMG on login? Something graphical to hdiutil mount ~/Desktop/secure.dmg
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0answers
27 views

What happens if I interrupt image compaction

I have a sparse image of hundreds of gigabytes that I run hidutil compacton now and then. This process takes hours. I'm just wondering, if I interrupt this process, or if there is a power outage, is ...
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1answer
38 views

When installing an application is there any way to avoid any drag and drop?

When installing an application from a DMG file one needs to drag the new application into the application folder (or some other folders). Is there any way to avoid this drag and drop (any new ...
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0answers
195 views

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 ...
1
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1answer
40 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 ...
1
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1answer
97 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
2k 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? ...
7
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1answer
117 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 ...
2
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1answer
79 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
2k 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
208 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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2answers
413 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
2k 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
541 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
1k 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
91 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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4answers
20k 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
73 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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1answer
76 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 ...
0
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2answers
2k 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 ...
2
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1answer
3k 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
31k 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
1k 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
646 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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3answers
2k 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
votes
1answer
361 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 ...
12
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2answers
2k 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 ...
4
votes
2answers
1k 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
1k 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
votes
1answer
896 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
710 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. ...
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2answers
50k 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
votes
3answers
495 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
822 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 ...