Questions tagged [dmg]

Apple Disk iMaGe file format

34 questions with no upvoted or accepted answers
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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 ...
3
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0answers
88 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
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0answers
38 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, ...
2
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0answers
64 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 ...
2
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0answers
511 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 ...
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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 ...
1
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0answers
33 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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0answers
100 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. ...
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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 ...
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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-...
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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 ...
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44 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
50 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
848 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 ...
1
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0answers
37 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 ...
1
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0answers
1k views

Can't install Inkscape on macOS High Sierra 10.13.6 (17G65) via DMG or Homebrew

I've been trying to install Inkscape 0.92.2 via DMG (Xquartz) and via Homebrew (Cask), having previously installed Xquartz (2.7.11) without issue, on my Macbook Pro 13. Once Inkscape has installed it ...
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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 ...
1
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0answers
176 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 ...
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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 ...
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450 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 ...
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97 views

Mac application to download, verify (through md5), and run another large application

I have spent quite some time Googling for a specific product solution that I cannot seem to find for the life of me, so I come to Stack Exchange for some help. I work for an unmentioned public ...
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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 ...
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0answers
932 views

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 ...
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76 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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12 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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40 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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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 ...
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53 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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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 ...
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0answers
254 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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0answers
18 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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0answers
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?
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106 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 ...
0
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2answers
3k 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 ...