Questions tagged [dmg]

Apple Disk iMaGe file format

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2answers
366 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 ?
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488 views

message: drag dmg file to applications folder keeps repeating

I have downloaded stellarphoenixmacdatarecovery.dmg file. I dragged the file from downloads folder to applications folder. I double click on the file in the applications folder and I get a message: '...
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1answer
46k views

OS X Mavericks: InstallESD.dmg and BaseSystem.dmg [duplicate]

I would like to make a bootable DMG or ISO file with OS X Mavericks on it. I want to then burn this file to a DVD-ROM (or, alternatively, make a bootable USB stick with it). From what I've read, ...
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1answer
113 views

Why do downloaded applications arrive as .dmg files

When downloading most applications from websites they are usually packaged into dmg files. Is there any specific reason why people distribute apps in dmg files instead of zip files? If so why do ...
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1answer
2k 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 disk....
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3answers
2k 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 ...
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1answer
58 views

Password protect disk images on Mac from deleting

I know that I can create a password protected dmg file with more folders in it. But I want to know if there's a way through which I can prevent any action on the dmg file itself. Because right now, if ...
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1answer
34 views

Mac location not found for opened .dmg

I tried downloading android-studio-ide-181.5056338-mac.dmg to install it, but double clicking the .dmg does not nothing but put Android Studio 3.2.1 under the locations sidebar in the Finder. When I ...
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1answer
641 views

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

My internet connection is lame ass 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 ...
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1answer
64 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 ...
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2answers
6k views

I have El Capitan and can not install a DMG file

I get an error message that says: Warning. The following disk images couldn't be opened. Image Reason SurveillanceClient.dmg invalid checksum Does anyone have ideas on how to install this file?
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1answer
477 views

How can I have dmg files automatically unmount when I trash them?

A while ago, I used to have some kind of App or service that would automatically unmount a dmg file whenever I put the dmg file into the trash. This was really convenient, but I've since reinstalled ...
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2answers
1k views

Can not run Xcode 7.0.1 on MacBook Pro

I can not run Xcode 7.0.1 on my MacBook Pro (Retina, 13-inch, Late 2013, 4GB of RAM, 128GB SSD, 20+GB of free space, OSX 10.10.5). I downloaded the DMG file from Apple, and can run it on my Mac mini (...
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1answer
102 views

Can't figure out how to correctly install .app

I downloaded a dmg which apparently OS X mounted as a drive or something. Then I googled around to find out I should ctrl+clicked -> open the program and get past the warning messages. I closed the ...
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2answers
116 views

Opera dmg corrupt

I have been trying to download the Opera DMG from my Mac OSX on a very slow internet. Everytime, the download starts, reaches a little above 1 MB, and then shows as download complete. When I try ...
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2answers
244 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! ...
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1answer
2k 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 ...
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2answers
2k 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 10.5....
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1answer
47 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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1answer
57 views

I think I opened an unsafe unix exe file! Can anyone tell me what this file might've done?

I was downloading a crack file for premier 2019 pro cc as something went wrong with my subscription and now I don't have premier, so when I opened the dmg. It showed an installer and I went through ...
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1answer
199 views

Block opening of DMG files by non-admin user

I set up Parental Control for a user but said user is still able to download and install additional software from DMG files (among other they downloaded TOR browser which bypasses parental control).. ...
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1answer
130 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 ...
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1answer
272 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 ...
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1answer
318 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 ...
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1answer
957 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?
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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 ...
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2answers
77 views

Mac/PC: How to change the developer of an Apple Disk Image?

I am trying to use a GD-0912-U Intuos Graphics Tablet in OS X El Capitan‎ at a public hackerspace. They will let me install any programs on the iMac, barring that Gatekeeper believes it is from a ...
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1answer
88 views

Downloading iOS 8.4 .dmg file or later

I'm trying to download or to get .dmg of iOS 8.4 or later and all I can get from Apple dev center is ipws file. Is there any way to convert/extract/whatever this .ipws to a valid dmg image (that can ...
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1answer
108 views

“Identical” DMGs: one installs, one does not

We've got a DMG from a vendor that we put on our web server for download. After download, the file on my Mac (OSX 10.10.1) is identical to the original file (did a hex compare), and the DMG mounts ...
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1answer
559 views

DIsk Image shows larger size unmounted then when mounted. How to fix

I have an encrypted dmg (Mac OS Extended Journaled) read/write and it shows a size of of 768.46 GB unmounted but only has a mounted capacity of 665.72 GB. I think something may have been corrupted ...
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1answer
1k views

Deleted Users Confusion/Worry

I found a 'Deleted Users' folder, which apeard on the side bar of the finder some how, which I've never seen before. I'm confused how they got here and why I never saw them before. It has two .dmg ...
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2answers
2k views

DMG password protection under Mavericks

Under Snow Leopard I applied password protection to some archives on a Flash drive. Upgrading to Lion and later Mountain Lion did not affect that protection, but Mavericks strips it from some (not all)...
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1answer
1k 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 ...
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3answers
8k 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 ...
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2answers
456 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 ...
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1answer
1k 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 ...
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0answers
28 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
33 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
432 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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0answers
26 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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0answers
114 views

How can I access to the info of a DMG created with “dd” command in Terminal, that can't be mounted?

I had an HDD with bad sectors. Tried to recover some info with Disk Drill (which I successfully did) but not all because of the bad sectors. So I tried to make a duplicate of a big folder which was ...
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1answer
133 views

iMac Mid 2010 USB recovery [duplicate]

I replaced tha hard drive on my Mid-2010 iMac because it failed and was unrecoverable. Now I need to install Mac Os High Sierra (the latest for Mid 2010), using a USB drive I have to create on ...
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0answers
935 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
135 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 ...
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0answers
136 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
2k 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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1answer
207 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+ ...
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0answers
399 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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95 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 ...