Questions tagged [dmg]

Apple Disk iMaGe file format

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2
votes
1answer
281 views

How to wrap a DMG file with a wizard installer?

I have a question about installers for mac. I have chromium.dmg which contains Chromium web browser. I would like to create a wizard installer that installs chromium then allows the user to ...
2
votes
0answers
460 views

Massive .dmg file in /Users/username/firmware/ folder: any ideas what the heck it is?

So, I've discovered that there's a 2.57GB .dmg file in the /Users/username/firmware folder on my Mac (High Sierra v. 10.13.6). The filename is <058-97232-130.dmg>. There are a couple of other dmg ...
7
votes
1answer
26k views

Show Package Content option not available in High Sierra on a pkg file

I want to "Show Package Content" of a pkg file which is inside this dmg file : https://desktop.visio.renater.fr/scopia/entry/pic/ClientComponents.dmg So I drag'n'drop the pkg file which is inside the ...
5
votes
2answers
4k views

Create disk image which can be read on Windows

I am interested in creating a disk image, using Disk Utility (or any other software) on macOS which can also be read on Windows. Disk Utility provides the ability to create .dmg, .sparseimage, and ....
1
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0answers
157 views

Cannot install application from DMG as it assumes a different source

I downloaded a dmg for Docker from their website and when I try to run it, it opens a window with the name of an application I installed earlier The title bar says Franz 5.0.0-beta18 which is ...
2
votes
2answers
1k views

can't get into encrypted .dmg files even though I could the day before and I am 100% certain the password is correct

I needed to encrypt a few folders on my MacBook (one of the first of the 'just MacBooks', running High Sierra now, though the problem started under the previous OS). I followed the instructions on ...
1
vote
1answer
177 views

See a log of all DMG files that were mounted

Today I saw for a very brief moment (like a fraction of a second) an alert telling me that some “BaseSystem.dmg” file was being mounted, even though I wasn’t trying to mount anything, nevertheless a ...
3
votes
0answers
81 views

Mount HFS+ filesystem with disable read and write caches

I've got the HFS+ filesystem represented by .dmg image file. For security reasons I'd like to make sure every I/O applies directly to the .dmg file and not through any kind of memory in the middle. ...
2
votes
1answer
3k views

Using terminal, how can I install a DMG file without sudo rights?

All of the answers to this question Is there a command to install a dmg work for me in installing a DMG file from the command line. But I don't want to have users need to enter the sudo password, it ...
5
votes
1answer
9k views

How do I install a .dmg file without being a sudo user?

I am on macOS Sierra version 12.10.16. I downloaded an application. This app has .dmg extension. I would like to install it without using sudo or without being one of the sudo users. When I do ...
3
votes
1answer
194 views

I've created multiple DMG files from the same folder - checksum is different on each?

Quite some time ago I've noticed that even if I create DMG files from the same directory, with same files and etc, the results are always different. Not only their size is ~15 bytes shorter/longer ...
1
vote
1answer
502 views

auto mount HFS+ filesystem from disk image (.dmg file)

I'd like to auto mount my dmg file which represent disk image with single HFS+ partition upon every boot. is it possible through autofs ? do I have to set the location of the dmg file in any ...
2
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0answers
26 views

How can I mount a dmg based filesystem for one specific process or user

I've got dmg file that formatted to HFS+ filesystem and i'd like to mount it with limited access rights. Is it possible to create a mountpoint that will be accessible to specific user (by name) or ...
3
votes
1answer
2k views

How to Make Bootable APFS Volume From Disk Image

I am currently using terminal to early and quickly add APFS volumes to my Mac's APFS container. Once I make an empty APFS volume in the container, how can I copy a disk image to it and make it ...
1
vote
1answer
6k views

Do applications install for all users or only for one?

If I install a application using *.dmg image using user user1, it will be available when user2 log in as well? or it will be available only for user1 ?
1
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0answers
169 views

Same DMG, different MD5

I created a Read/Write DMG file from a folder in my Mac, size is about 175GB. Then I copied the DMG to an external HD for backup. To ensure data integrity, I checked the MD5 of both, local HD and ...
1
vote
1answer
650 views

How does one convert a dmg inside a DVD to individual videos or watch the dmg DVD file in an iphone?

Since DVDs are essentially becoming obsolete or at least the macbook laptops do not have accessibility to them anymore, I thought it would be good to back a backup for them before I get rid of the DVD ...
1
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0answers
3k views

The operation can’t be completed because the original item for “Foo” can’t be found - Mounting .dmg

I've seen this error message referenced a lot in relation to connecting to network shares (see The operation can’t be completed because the original item for “Foo” can’t be found) but I am having this ...
1
vote
1answer
234 views

Error while using setfile to set icon for dmg created via hdiutil in mac

I have created an app & signed using "Developer ID Application: x" certificate. then using hdiutil i created the dmg hdiutil create -size 1.5m -format UDRW myapp.dmg -srcfolder ./myapp/ -fs HFS+ ...
29
votes
3answers
7k views

Why do we install software via `.dmg` files?

When I want to install software, I typically download a .dmg (Disk iMaGe) file. When I open it, this .dmg file looks like what I would call a "virtual disk" (hence its name I presume) and is listed in ...
2
votes
1answer
450 views

On High Sierra, how to make a writable disk image open a window automatically?

I have some read-write disk images (some .dmg format, some in .sparseimage format) that I want to automatically open a Finder window to their base folders when I double-click them. Up to now, I have ...
3
votes
1answer
2k views

Convert a plain disk “legacy image” so that it can be mounted

I have a plain disk image, created from using dd. When I try to mount it in Sierra (10.12.6), DiskImageMounter.app tells me: legacy image should be converted How do I perform such a conversion? I ...
1
vote
1answer
455 views

For the purposes of archival uploading to Google Drive/Dropbox/Etc, what are the differences between DMG and SparseImages?

I recently have a large amount of data I needed to upload into Google Drive. I decided to use Disk Utility to create a container for it (otherwise Google Drive would have to create many files and ...
0
votes
1answer
119 views

Automating processes through a DMG file

Is it at all possible to create a DMG file which will run a few terminal commands when opened? These are examples for the commands: create a new folder with specific name. Place it in a specific ...
0
votes
1answer
118 views

Can the “drag to applications” of a mounted DMG volume be done in the terminal?

Attempting to automatically install a .DMG downloaded(of Docker), so that the host has access to docker run etc. in Terminal. I can attach the volume with no issue with: curl -O https://download....
5
votes
1answer
4k views

Accessing Disk Images on iOS

Is it possible to mount and edit the contents of a .dmg file on an iPhone? I realize they are designed for macOS and larger computers of that ilk, but I'm curious if there's a workaround...
2
votes
0answers
72 views

How to encrypt and sync folder between a NAS and 2 Macs [closed]

I have an iMac and a MacBook and also a Synology NAS that supports Btrfs. I would like to move my working documents inside a NAS shared folder that is sync with my computers. Synology provide Cloud ...
1
vote
1answer
1k views

Where could be the ringtones, wallpapers located on iOS IPSW package?

I've used and already extracted the IPSW of iOS 11, there are 4 DMG files there, where could that be on that DMG files there, and where exactly insider one of there could I find that such files?
1
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1answer
910 views

Can I update Mac OS 10.11 to 10.11.6 using a dmg of the update?

My internet connection is lame and the last time I tried to update with the download through App store, it downloaded and restarted but said that the verification of the update package was ...
-1
votes
1answer
113 views

Convert Bootable DVD to DMG

i want to convert my Sierra DVD to a DMG file , so i could install it on non-mac device ( PC ). I used Disk Utilities but not worked... Is it possible to do this ? or i Have to download the source ...
1
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2answers
12k views

How to download Sierra DMG file if mac can't support it

How do I download a .dmg file or Sierra (or any recent macOS)? I have one very broken MacBook pro, and I want to make a bootable usb drive to try and fix it. I have another, older, MacBook, which ...
2
votes
1answer
207 views

Can I add a password hint to an encrypted disk image?

I've got an encrypted dmg. Can I set a password hint for it?
2
votes
1answer
2k views

Generalizable guide to convert .dmg to .iso bootable for Lion to Sierra

OS installs are now distributed as .dmgs. Is there a generalizable guide to converting .dmgs to bootable iso's on macOS? Related How can I convert a DMG to ISO on Mac OS X (preferably for free)? ...
0
votes
1answer
76 views

Location info on a rw DMG

I am following a tutorial on how to create a DMG on the command line there is an applescript which you can find here which sorts the layout of the DMG. The problem is that I can't get it to work the ...
-1
votes
1answer
138 views

How to use a .dmg file [duplicate]

I'm trying to use a .dmg file. I have it downloaded and everything but whenever I try to open it, it doesn't do anything. Am I doing something wrong?
2
votes
1answer
6k views

How to convert an .iso file to .dmg in terminal?

I want to convert an .iso to .dmg, how can I do this from Terminal?
0
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1answer
2k views

Program Icons bounce, but won't open on Apple MacBook Pro [closed]

I just got an Apple MacBook Pro that is 5 years old and I have no idea how to use it or if something is wrong with it. I have 10.9.5 and it's supposed to be compatible and it didn't work. Since then, ...
2
votes
1answer
55 views

Looking for crossplatform solution to sharing sensitive files

Is there a cross platform solution similar to a volume like with some DMG application installers when double clicked, they open with a prompt which pops up and asks if you agree with the terms or ...
2
votes
1answer
29 views

Would I be able to access myUser.dmg that created with Disk Utility after re-installing OS X?

I am going to format my OS X Machine (El Capitan 10.11.6). I created manually a disk image file (.dmg) of /myUser folder on an external HDD using Disk Utility. Will I be able to access/mount this ...
0
votes
1answer
441 views

MacOS Sierra vs my installer DMG's icon

I am distributing my (heavily edited in the picture below) app via a read-only installer DMG. Both the app and the DMG are signed and pass the Gateway validation. My build machine is an El Capitan 10....
-1
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2answers
1k views

DMG Equivalent on Windows [closed]

I have a folder to distribute. On Mac, I can put all the folder's contents into a DMG, which the user can just click to open and see all the contents. What is the equivalent on Windows? Some have ...
17
votes
1answer
37k views

Download macOS Installer.dmg file

Apple yesterday released macOS Sierra for public. The update weighs ~5 GB. I have two Macs with me: one is my personal, the other my office has given. Instead of downloading the installer twice (10 GB)...
-1
votes
2answers
438 views

Basic questions about DMG and copying Mac OS Install CD as a backup

I have a Mac OS X Install DVD (Leopard 10.5.6). How do I store a copy of this Leopard Install DVD to my PC Laptop? I want to have it as a backup. My MacBook won't boot so I will need to reinstall ...
12
votes
5answers
31k views

Are auto-downloaded malicious .dmg app files a security risk if they are never opened?

I visited a page to stream a TV show, and upon clicking the search result link got the following pop-up: I clicked OK, as nothing on Chrome was available, and when I did that, Chrome auto-downloaded ...
5
votes
2answers
564 views

MacOS dmg file question

Not entirely sure if this is where to ask this, but I can't find another place to... I've recently switched from Windows to Mac and I am trying to understand more in depth what I'm working with. My ...
1
vote
1answer
7k views

Can't find installed software

Forgive me if this is a dumb question, but I've tried all sorts of things, and need help. I needed to use some software from the Internet, so I got some installers for them. All of them are .dmg and ...
6
votes
2answers
43k views

OS X El Capitan suddenly can't open DMG files

I am trying to open a DMG file to install an OS X app. I get the error The following disk images couldn't be opened. Invalid Argument. I have tried to open other DMGs that I successfully managed to ...
1
vote
0answers
448 views

Force unmount volume in use by remote user

I store some sensitive data on encrypted disk images. Sometimes for convenience I mount one of these disk image files (.dmg) over the LAN and occasionally forget to unmount it. A problem arises ...
1
vote
1answer
67 views

How to mount big .dmg in small HD?

I have a 120 GB .dmg where I would like to study one directory. However, my Mac's HD is much smaller. I get a warning you cannot mount the directory. I used the command to create the image sudo dd ...
0
votes
1answer
11k views

AppStore looks too slow. Is there any way to download El Capitan without AppStore?

I am downloading OSX El Capitan through AppStore and it runs already 10 hours. I have downloaded 1,5 GB so far. I fear I can't work next week because of this slow download process. I need it because ...