Questions tagged [dmg]

Apple Disk iMaGe file format

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2
votes
0answers
18 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, ...
0
votes
1answer
23 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 ...
25
votes
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 ...
1
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0answers
39 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. ...
0
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0answers
16 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 ...
0
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0answers
47 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 ...
0
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0answers
16 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 ...
31
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4answers
41k 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?
3
votes
1answer
7k views

How to change password of the .sparseimage encrypted image on El Capitan?

I have an encrypted .sparseimage, and can't change password. Don't see any option in Disk Utility. Is it possible and how to change password of the .sparseimage encrypted image on El Capitan?
1
vote
1answer
28 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 ...
0
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0answers
99 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 ...
0
votes
1answer
18 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 ...
29
votes
5answers
25k 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). (...
3
votes
2answers
589 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"....
0
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0answers
15 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 ...
0
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0answers
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 ...
1
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0answers
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 ...
1
vote
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
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0answers
43 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-...
1
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0answers
36 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
votes
2answers
56 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
vote
1answer
148 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 ...
0
votes
1answer
822 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
votes
1answer
39 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 ...
0
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0answers
19 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
votes
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 ...
2
votes
3answers
8k 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
0answers
63 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 ...
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 ...
1
vote
2answers
271 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
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 ...
3
votes
2answers
5k 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. ...
9
votes
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.
16
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5answers
25k views

Can't remove “Install macOS High Sierra.app”

I had to make a bootable macOS High siera install, everyhing went well and it worked. I'm trying to remove the app that I used to install it and trash won't let me. Everytime I try I get an The ...
0
votes
2answers
30 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 ...
6
votes
4answers
6k views

Time Machine - move backup from local disk to network volume. Wrong case sensitivity?

I am trying to move a Time Machine backup from a Firewire disk (called disk1) directly connected to a computer to a network share, that is, from a folder in/on /Disk1/Backup.backupdb to a sparsebundle/...
6
votes
2answers
603 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 ...
1
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0answers
793 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 ...
2
votes
1answer
43 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 ...
3
votes
1answer
882 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 ...
0
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2answers
85 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 ...
3
votes
0answers
71 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 ...
1
vote
0answers
41 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 ...
1
vote
0answers
48 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 ...
0
votes
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 ...
0
votes
2answers
682 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
vote
0answers
1k views

Open a corrupted .dmg

My MBP crashed and had some permission issue on booting. I tried some repairs with the recovery session but now it has a kernel panic... I have an external device I can boot from, and I made a copy ...
1
vote
1answer
75 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 ...
23
votes
4answers
14k 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 ...
1
vote
0answers
35 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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