Questions tagged [dmg]

Apple Disk iMaGe file format

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1answer
37 views

burning a multi-session cd into iso

I have a multi-session (osx/windows) cd that I'd like to create an iso from. Is there a way to create a single iso file with all the sessions included in it? Output from diskutil list disk2 is below. ...
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1answer
365 views

Where is the DMG saved when the hard disk is erased?

Assuming you would go into recovery and format the data carrier on which macOS is installed, where would the DMG be located from which you booted with "CMD + R", because as far as I know it ...
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22 views

Can I provide Mac App Store in-app purchases in software distributed outside the App Store (e.g. via .dmg download)?

I develop Vidrio, a macOS app. I distribute this app on the Mac App Store and as a direct download of a .dmg file. I have two plans: a Free plan, and a Pro plan available as an in-app purchase on the ...
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2answers
118 views

MacOS Big Sur - how do I disable/ skip verify on opening dmg [duplicate]

I have 2015 MBA running Catalina that at some stage in the past I managed to configure that when opening my own created dmg files (used for business data storage with encryption security) it no longer ...
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29 views

macOS recovery signing and checksums

A question that has occupied me for a long time and I still haven't got the answer. It's about Apple's Internet Recovery. When I read through quite a few pages from Apple, I saw that a signed .dmg was ...
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1answer
97 views

I only see a .pkg file when restoring from DMG in TransMac. What is wrong?

I finally got my hands on a second-hand MacBook Pro (Early 2011). However, the disk is corrupted and doesn't boot, and Internet Recovery proves ineffective as the OS X Lion Setup fails. This is the ...
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19 views

hdiutil convert -format UDRW not truly editable

Trying to add a single file to an existing ISO I ran into a bit of hiccup I can't see through. Here it is: Having never done it before but encouraged by reading the advice from this question: Add/...
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2answers
255 views

How to tell if dmg file contains universal binaries, i.e. if it has been compiled for arm64 hardware

Can you tell from a .dmg file if it contains arm64 binaries? I've got a Mac mini M1 running Big Sur. I don't want to run apps under Intel, only arm64. I don't even have Rosetta installed, and want to ...
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0answers
14 views

Can not make list view the default for my sparse bundle dmg volumes

I would like to view all my volumes and folders in list view but when I open the Show view options submenu for a mounted sparse bundle dmg it will always open in icon view and it is impossible to make ...
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37 views

How to find and download a specific macOS update name that usually is not available within the apple download website

Every time Apple release a minor macOS X update, for example (Supplemental, or Combo, or Security Update, etc), I usually visit https://support.apple.com/en_US/downloads and I download the dmg file ...
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93 views

How do I create a Mac OS install hard drive from InstallESD.dmg

I have the InstallESD.dmg file for Mac OS El Capitain, and external Hard Drive with more than 200 GB. I have no idea how to burn the InstallESD.dmg into the hard drive because I tried to burn it but ...
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1answer
45 views

How to create “Drag to Applications Folder” in dmg?

I wrote a piece of software and I host it online as a downloadable dmg file. When the dmg is mounted, you can open it like a regular folder. The user then needs to drag the software from the dmg ...
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1answer
47 views

Is there a way to pipe the `hdiutil create` into a raw stream without needing to store it first?

I would like to do something like hdiutil create dest_file.dmg -srcdevice /dev/disk3 | curl -TX - PUT \ -H "Authorization: Token" \ --output /dev/null \ "https://uploadlink....
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1answer
54 views

Changed DMG password now it won't open

Hardware: Hackintosh running Mavericks. Problem: I had a DMG where I store (stored...) stuff I obviously wanted to keep private, so I unchecked the "Save in my keychain" option. Some weeks ...
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0answers
112 views

How to mount a .dmg file with a different volume name (or modify it once mounted)?

MacOS Catalina, 10.15.6 Given a .dmg file, foo.dmg, I want to be able to attach it so that its contents will be visible in the Finder application under the Locations section with an arbitrary name, ...
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1answer
24 views

Backblaze and similar services not necessary for a small hdd? Upload full disk dmg to cloud services easier?

I understand the usefulness and convenience of a site like backblaze, but if I wanted an offline backup and my drive is under 100gb, would it make sense to just make an encrypted full disk dmg image ...
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0answers
234 views

Reinstalling OS X on a Macbook Pro 8,1 (Early 2011) from Linux without Internet Recovery

I've been finding a way to reinstall OS X (or macOS) on the Macbook Pro 8,1 that I've been using. The Macbook has been wiped out to install only Windows 7, and then wiped out again to install Linux. ...
25
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2answers
2k views

How can I place .dmg files away from the desktop?

Every time I install an app, I get a DMG file showing up on the desktop. It looks like this: How do I hide it on the desktop or keep them elsewhere to preserve the aesthetic? When I Control + click ...
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19 views

Problem formatting MacBook Pro

I have two Macs, a MacBook Pro of 2006 and an iMac of 2012. The second one is used by my parents for work, the first one by me for studying. The problem was that the laptop was okay but needed a ...
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88 views

Mac .dmg backup, files disappeared?

I was having some issues with my Mac so I booted into recovery mode and made an image of my internal SSD drive to a .dmg compressed format and then saved it to my external SSD. Then I erased the Mac ...
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17 views

are disk drill 3 dmg whole system backup images the same as macos disk utility dmg backup images? / would I need to create boot usb to use them?

I have a small and slow ssd on an old macbook, I want to upgrade the ssd one day, but keep my old macbook because I don't have much money and I like it. I have auto time machine backups to a usb and ...
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1answer
36 views

AppleScript: Clicking a button in a dmg file

I am trying to figure out what code will send 2 clicks to open a file in an opened .dmg file using AppleScript in Script Editor. I did create the .dmg file I've been searching for ways to create a ...
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938 views

How do i create a OSx bootable USB using windows 10 and where do i find .dmg file?

I have an iMac 2007 20", and its a second hand computer. It was running OSx Lion when I bought it, then I upgraded it to El capitan, After that, I made a big mistake of erasing the data without taking ...
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1answer
19 views

Get error output from an double-clicked app

How can I get the output written to stderr and stdout from an app that has been installed by .dmg, and is opened by double-clicking its app icon in the /Applications directory? (I can see the output ...
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2answers
6k views

Can I delete the .dmg files on my Mac once I install the app?

I have recently noticed that my 8-year-old MacBook is slow when loading webpages, and I started going through my files to get rid of old stuff. After a while, I came across a file called "discord.dmg"....
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21 views

How do I prevent DMG shadow file growth on image reads?

I'm trying to use DMG files for a sort of DIY union FS, or snapshot, scenario. That is, I create a compressed UDF disk image with hdiutil, like hdiutil create -format ULFO -volname "$name" -srcfolder ...
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7 views

Mac costum dmg from Godot Engine [duplicate]

I am making game in Godot engine and I want to export it. The engine can do that, but it is only blank dmg with the app inside Like this: How to costumsate it so the Application folder will be ...
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30 views

How can encrypted Apple DMGs be so fast to open?

On remote drive I have an encrypted .dmg and the same files in a gpg encrypted tar file. The DMG opens within seconds, but to access the tar file, I first need to decrypt it, in this 10 minutes, and ...
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46 views

Install for all users an Application from a DMG

I trying to install with a Bash script an Application like Slack when I create a new Macbook. Connected as the admin user I run those command sudo hdiutil attach -nobrowse /Users/admin/Desktop/post-...
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39 views

Why do ISO files on Mac OS X created using an app always change the date to 1 January 2001?

I downloaded Keka and the app works well, but when I created a test .iso file from some photos saved on an iPhone (a copy of the folder I placed on the Desktop), I noticed this unusual thing: The ...
3
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2answers
85 views

Can I attach a .dmg without mounting the drive that it is sitting in?

I have a .dmg sitting on an external drive (which also contains other data). The .dmg is an image of a failed drive so I can't mount it but I want to attach the .dmg without mounting the partition it ...
1
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1answer
251 views

Possibly opened a malicious .dmg file on my Mac, not sure wether it installed itself?

I was opening a document on my computer and double tapped the file below it; A (more than probable, malicious) Skype.dmg file, likely downloaded from a popup. Normally, when I see them I send them ...
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1answer
3k views

How to restore a disk image to source disk using Disk Utility?

I've created a .dmg using Disk Utility from a 32 GB source drive. Now I'm back in Disk Utility in order to restore this disk image to the very same source disk it was created from. I thought it would ...
0
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1answer
49 views

Is there a way to disable dragging (drag-n-drop) in a read-write dmg file?

I´m creating a dmg image that should be able to use drag-n-drop of a folder onto an application. The user installs my app by dragging a folder onto an application (.app) that is made by Automator ...
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21 views

I downloaded Java and DocFetcher, but they try to open in Calibre

I downloaded Java and DocFetcher online, but they downloaded as dmg files and when I try to open them, they try to open in Calibre, an e-book software program. What am I doing wrong?
2
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1answer
286 views

Able to open downloaded programs, but once closed need to download again

In particular, I'm trying to use Calibre for eBook management. Interestingly, this has never happened with any other app before, but when I quit the app (CommandQ), it's almost as if I never ...
3
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0answers
86 views

Rename mounted volume for dmg file (permanently in the dmg)?

I have a DMG file for an application. Created with some list of scripts that are not readily accessible for quick re-run. The content is fine but it mounts a volume name that is broken. It is broken ...
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4answers
8k views

How do I skip verification of a .dmg file?

I have downloaded a dmg file but when I click on it it keeps verifying. I've also tried to go to /System/Library/CoreServices/Installer.app but I can't click on the .dmg because it is greyed out. ...
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3answers
2k views

Why are some Mac apps not available on AppStore?

One example is CheatSheet. I searched it on the AppStore but couldn't find it.
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2answers
39 views

Can I clone an ESD.dmg file to an external disk without having admin password?

I have one Mac running 10.7.5 and another running 10.6.8 that can be upgraded to 10.7.5. Unfortunately, I don't have an admin password for either, because the previous owner of the first died suddenly ...
2
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1answer
64 views

how do I save the extra files that come in a dmg?

After I download a DMG to my Mac and install the apps that come in it, where should I keep the miscellaneous other files (like Readme and license terms) that come in the DMG? I want to keep them, but ...
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2answers
90 views

How can I find all the modifications and installations done by a spam dmg?

I downloaded a 1.5 MB dmg file from a inauthentic site and despite suspicion, opened it and opened the app inside it. Assume that the game I wanted was game, so it was named game.dmg. It mounted ...
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0answers
78 views

How can I detect which button was clicked in the DMG EULA confirmation screen

I'm using the open command to automate (via bash) opening a dmg which has a EULA attached to it. When I run open my_app_distribution.dmg I get a screen that looks like this: The open commands uses ...
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51 views

Create DMG on linux via SSH

I would like to integrate my Time Machine backups with a manual script that will create a compressed and encrypted DMG image from some folders. Reading about this issue, I can create a DMG, for ...
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0answers
55 views

How to execute a PKG file using a custom universal keyboard shortcut?

It may sound strange but I need to run a specific PKG installer whenever I trigger a specific custom keyboard shortcut. On Sierra 12.6 I've assigned a custom keyboard shortcut to sleep/lock-screen the ...
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0answers
946 views

macOS High Sierra (10.13.6) Cannot Install Updates

I'm having difficulty installing the latest update on my Mac Mini from 2011 (macmini5,3). The current pending update is "Security Update 2019-003-10.13.6." When I attempt to install the update: It ...
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1answer
1k views

Google Chrome for macOS: How to bypass “This type of file may harm your computer” and save file automatically

Every time I download a .DMG file using Google Chrome, I have to open the Downloads tab and manually keep it which is super annoying. It shows This type of file may harm your computer message. Is ...
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2answers
950 views

Can I see all locations that a DMG file install files to?

I wonder if there is a way to sort of "unroll" a dmg file and reveal which directories it will install files to?
1
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1answer
86 views

Running Compiled AppleScript from DMG Doesn't Work

As a follow up for my previous question (Set the Working Folder of .app Created by Apple Script) I have the following problem. I have an AppleScript which is Poor man's Installer: tell me to ...
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0answers
42 views

Is there a way to prevent simultaneous mounting of a DMG in a shared folder?

I share encrypted disk images (dmg) over Dropbox to share sensitive information with others (or across my own machines). Is there a way to 'lock' the DMG when it is mounted in one machine so that it ...

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