Questions tagged [dmg]

Apple Disk iMaGe file format

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51
votes
5answers
83k views

Is there a command to install a dmg

I want to install a dmg file on a remote server. All I have is an ssh access. Since a DMG is a disk image, I tried to mount it, but mount does not seem to recognize its format. file says my dmg file ...
12
votes
5answers
27k 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 ...
21
votes
3answers
7k views

When opening a DMG file, how do I get it to open up in front of the windows?

Whenever I download a .dmg file and then open it (usually from the download bar in Chrome), it opens up in the background. Is there any way to get it to open up in front of my window? Edit To ...
25
votes
4answers
37k 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?
33
votes
4answers
106k views

How can I convert a DMG to ISO on Mac OS X (preferably for free)?

I have medical records within Windows software within a DMG disk image. How can I convert the DMG to an ISO format on Mac OS X? Is it possible to do it within Disk Utility or CLI easily, or do I need ...
5
votes
2answers
544 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 ...
22
votes
4answers
12k 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 ...
6
votes
5answers
5k views

How to permanently archive Time Machine backup?

I have an external hard drive where my Time Machine backups are located. My OS is El Capitan. I would like to permanently archive this entire TM backup and move it to another hard drive, and it would ...
4
votes
2answers
16k views

How to open an encrypted dmg file in Windows?

I made encrypted disk image on my MacBook. Now I want to open it on my PC (Windows 10). How can I open (mount) an encrypted dmg image file in Windows 10?
4
votes
1answer
2k views

Set up flash drive with multiple OS X Installers

Working in a tech shop, and being an Apple fan, I deal with ALL the Apple-related products. I'm seeing products from 10.4 to 10.7, and I have made a bootable flash drive from 10.6 (since it's the most ...
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)? ...
1
vote
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, ...
0
votes
1answer
1k views

How to mount a DMG image created with dd?

I created an "emergency" image of my dying HD using the procedure explained in Recover a dead hard drive using dd. Now when I try to mount the dmg file I get the message: "The following disk image ...
0
votes
1answer
426 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....
8
votes
1answer
14k views

Cannot empty trash after deleting .dmg

So, I downloaded Chrome, and I put it in the Applications folder and from there a shortcut to the applications bar on the bottom of the screen. All is fine, but now there's an icon on the desktop that ...
3
votes
2answers
8k views

Removing non App Store apps

I use several apps installed using .dmg files downloaded from other sources rather than direct from the App Store. When I try to remove them through Launchpad, these apps will not show the X button ...
2
votes
2answers
2k views

What do I do if the disk image data is corrupted?

I am trying to install Sims 3, but it opens a window saying that "The following disk images couldn't be opened because the image data was corrupted." What can I do to resolve this issue?
2
votes
2answers
4k views

Password protect folder without disk images?

Is this possible? I know you can protect a .dmg file, but is there a more convenient solution, by using a third party application?
2
votes
1answer
167 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?
1
vote
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 ...
1
vote
2answers
9k views

Sparse bundle on NAS - can't open “Resource temporarily unavailable”

I just got a new Lacie NAS with their NAS OS 4. After making an initial Time Machine backup to this device I wanted to mount the resulting (encrypted) disk image but when doing so I just received an ...
1
vote
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....
0
votes
1answer
611 views

OS X 10.11 Disk Utility, encrypted dmg password and keychain

In previous versions of Disk Utility there were checkboxes whether to store the password in the keychain or not while creating an encrypted dmg image. Now there are less options. Does the new version ...