Apple Disk iMaGe file format
17
votes
3answers
4k views
When opening a DMG file, how do I get it to open up in front of the windows?
Whenever I download a .dmg file and then open it (usually from the download bar in Chrome), it opens up in the background. Is there any way to get it to open up in front of my window?
Edit
To ...
15
votes
1answer
664 views
Where is a dmg file mounted?
When I double click a dmg file it's mounted (or so I assume) in the filesystem. I want to explore the dmg file in the terminal for hidden files (like the background for example), but I'm not sure ...
14
votes
2answers
824 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. ...
11
votes
2answers
798 views
What is the difference between a “sparse disk image” and a “sparse bundle disk image”?
What are the differences between sparse and sparse bundle disk images?
8
votes
3answers
2k views
Why are so many Mac downloads a .dmg just that contains a single .pkg?
I've noticed that many downloads are a dmg (disk image) that contains a single pkg file (installation package). Usually the pkg seems to be already compressed since the dmg doesn't reduce the file ...
8
votes
4answers
926 views
How can I backup my system to a remote server (AFP, Samba, or NFS share)?
Here's the goal: I have a backup server with a ZFS filesystem with built in compression and snapshots. All our machines backup there nightly with rsync, and then a ZFS snapshot is taken, so we have ...
6
votes
2answers
1k views
Why are executables called DMG (disk image) files?
I am not experienced with OSX but I have been using it recently.
It seems to me the equivalent of an .exe (executable) in Windows is a .dmg (disk image) in OSX.
And you don't install it, you mount ...
6
votes
5answers
2k views
Why do I have to drag my new apps into the application folder?
I'm a new Mac user and I've been installing a few different apps for different things. A lot of these use .dmg files.
Why exactly do they all expect me to drag the icon into the application folder? ...
6
votes
2answers
1k views
How to make an expanding compressed encrypted disk image?
I'd like the following setup:
A DMG file sits on my HD, taking up only the space of the contents, or perhaps only the space of the contents compressed.
If I double-click on it, I need to give a ...
6
votes
1answer
231 views
Prevent other users from ejecting (or even seeing) my mounted disk images
I have an encrypted disk image (sparsebundle) where all of my private documents are stored; I mount it to a custom mount point with:
mkdir -p /Users/gabriele/MyDocs
hdiutil attach ...
5
votes
1answer
995 views
Cannot empty trash after deleting .dmg
So, I downloaded Chrome, and I put it in the Applications folder and from there a shortcut to the applications bar on the bottom of the screen. All is fine, but now there's an icon on the desktop that ...
5
votes
1answer
73 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 ...
4
votes
1answer
584 views
Set up flash drive with multiple OS X Installers
Working in a tech shop, and being an Apple fan, I deal with ALL the Apple-related products. I'm seeing products from 10.4 to 10.7, and I have made a bootable flash drive from 10.6 (since it's the most ...
4
votes
2answers
1k views
What are “dmgpart” files and what tools can create, merge, or manage them?
I downloaded something that came as three large files: One was a *.dmg (a disk image file, which I expected) and two more were *.dmgpart files, which I haven't happened to see before – I never ...
4
votes
3answers
937 views
OSX application shortcut folder in dock and icon updates after installation
Here is the setup: I have the Applications folder right in the dock, which is the default after installation afaik.
Now I have a custom build DMG with an application in there which I drag&drop ...
4
votes
1answer
166 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 ...
3
votes
2answers
233 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 ...
3
votes
3answers
726 views
DMG mounts but does not auto-open
I have a DMG which I downloaded using Safari. When I double click it, the volume mounts but it doesn't open in a new Finder window.
Any idea why this would happen, and how I can fix the DMG so that ...
3
votes
1answer
181 views
Disk image windows open beneath other windows
When I install software from a .dmg, the verification window pops up, which I suspect is normal. When it's done, though, the Finder window - you know, the "Drag to Applications to install" box - pops ...
3
votes
1answer
255 views
How can I open the .dmg install window on top of everything? [duplicate]
Possible Duplicate:
When opening a DMG file, how do I get it to open up in front of the windows?
Whenever I open up a .dmg file, it just gets opened, but it stays under everything that I've ...
2
votes
2answers
90 views
Why are some disk images bigger when burned?
I've got a couple of DMGs that should fit on a CD (one per CD) but burning softwares (Disk Utility & Toast) say that they are 2 or 3 times bigger and thus need a DVD.
Why is that ?
2
votes
2answers
2k views
How do I create a DMG file from a directory?
I'm trying to add a few files into a dmg. How do I create a DMG file from a directory?
2
votes
2answers
1k views
Creating a Backup of a Mac hard drive that won't boot?
PowerBook G4 laptop no longer boots.
Hooked PowerBook G4 to another running Mac using Firewire and held down the 'T' key on boot up.
This is a Mac similar to the one I connected the PowerBook ...
2
votes
2answers
388 views
Is there an easy way to update a NetBoot image?
I have a NetBoot image which I use for booting into to do things like disk maintenance and testing new applications without having to install them on my workstation. It's really handy, but I created ...
2
votes
1answer
475 views
Can I set a password on an existing dmg?
I am just wondering if it's possible to set a password to existing dmg image. There is no such option at Disk Utility.
2
votes
3answers
55 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 ...
2
votes
1answer
49 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. ...
2
votes
2answers
336 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 ...
1
vote
1answer
6k 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 ...
1
vote
3answers
1k views
How to obtain latest slipstreamed installation media for OS X?
I'm looking for a way to obtain an updated installation media for OS X 10.6.x, currently 10.6.6
I am looking for a similar solution to the Windows slipstreamed installation media and preferably a ...
1
vote
1answer
501 views
Restore system from DMG (original source disk bigger than destination)
I'm running Lion and trying to restore a Snow Leopard system archived in a DMG file.
The restore destination is an external Firewire disk (160GB) and the original system was installed in a 250GB ...
1
vote
2answers
900 views
10.5.7 Recovery Disk
I've got a mid-2009 MB Pro that I'm setting up to run some tests.
I've got Lion and Snow Leopard partitions up and running, but struggling with Leopard.
The initial OS with mid-2009 MB Pros is ...
1
vote
2answers
546 views
Password protect folder without disk images?
Is this possible?
I know you can protect a .dmg file, but is there a more convenient solution, by using a third party application?
1
vote
1answer
87 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 ...
1
vote
1answer
78 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!
...
1
vote
1answer
993 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 ...
1
vote
2answers
285 views
Cannot access mounted .dmg over the network in Mountain Lion
I noticed this with TrueCrypt volumes. Before 10.8, whenever I mounted a .dmg on my iMac, I could access it automatically from my mbp over the network with afp sharing. But after upgrading to Mountain ...
1
vote
1answer
322 views
How to script “add to iTunes Library”
I'm trying to deliver as a download a collection of audio files such that the user (preferably Win and Mac) would be able to double click on the file (perhaps a DMG? / ZIP) and launch a script that ...
1
vote
1answer
45 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 ...
1
vote
0answers
47 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
vote
2answers
268 views
Prevent disk image automount when clicking Finder sidebar
I have been playing around with the View → View Options in Finder and I must have touched something crtitcal because now whenever I click on a folder in Finder it automounts a disk image located ...
1
vote
0answers
192 views
Finder acting different after mounting a DMG in Lion vs SL?
If I recall correctly, when mounting a DMG file in Snow Leopard, the Finder window with the App would become active.
In Lion, this isn't the case. Instead of the window becoming active, you have to ...
0
votes
3answers
179 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 ...
0
votes
3answers
4k views
How to recover Mountain Lion's dmg file after installation?
I downloaded Mountain Lion from App Store and installed it.
I have not set Time Machine and I installed Mountain Lion one hour ago (since posting this question).
The dmg file is not in Applications ...
0
votes
1answer
54 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.
0
votes
1answer
300 views
How to clone CD or DVD from the CLI so it can be accessed in VirtulaBox Windows VM
How can I clone a CD or DVD to an ISO or DMG, using just the CLI, so that I can attach it to a VirtualBox VM.
I often clone CDs or DVDs using the following commands:
diskname=`df -kh /Volumes/* | ...
0
votes
1answer
44 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, ...
0
votes
1answer
368 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 ...
0
votes
1answer
101 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 : ...
0
votes
1answer
406 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).
...
