Apple Disk iMaGe file format

learn more… | top users | synonyms

3
votes
5answers
62 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 ...
1
vote
1answer
38 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?
0
votes
1answer
14 views

35 “Flash Player” in DiskUtility

from sudo diskutil list I get 35 of these /dev/disk35 (disk image): #: TYPE NAME SIZE IDENTIFIER 0: Apple_partition_scheme ...
0
votes
3answers
31 views

File extension not hiding

I have a .dmg file and I want to hide its extension. So I do the usual and ⌘I, then check Hide extension. killall Finder just to be sure. I look and sure enough... the file extension is still there. ...
3
votes
2answers
53 views

Do files copied to an encrypted disk image (dmg) encrypt themselves?

Disclaimer: I'm not sure whether or not this belongs in Ask Different or security.stackexchange.com, but I'm using a .dmg and Disk Utility, so I'll put it here. End of disclaimer. The title says most ...
0
votes
1answer
28 views

Error when encrypting .dmg disk image

I have a .dmg file of approximately 32 GB and I want to encrypt it. When I try to, using Disk Utility > Images > Convert, I get an error "status 28". Any idea what this means?
1
vote
1answer
101 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 ...
1
vote
2answers
46 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: ...
0
votes
1answer
144 views

Why download a Yosemite .dmg when I can create my own?

Having a Mac I wanted to know can't I just make my own .dmg file using AutoDMG? Instead of finding some random file on the Internet and hoping its not infected? Is there any other software that would ...
1
vote
1answer
53 views

Disk image of OS + Recovery partition?

I'm working with multiple OS X versions frequently and I'd like to have an image which contains a particular OS version's system partition and its recovery partition. Is this possible? (the disk where ...
0
votes
2answers
64 views

How to download files which are not dmg files to Mac applications?

Downloading files on Mac via .dmg is super easy, but anything else e.g. tar.gz files or zip files is completely baffling to me. Where do I unzip the files to make sure the applications will work and ...
1
vote
1answer
81 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?
0
votes
1answer
78 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 ...
0
votes
1answer
49 views

Add/Delete/Modify files within a Disk Image (.dmg)?

I know this may stem from a fundamental misunderstanding of the way disk images are intended to work, but even when full permissions are granted on a .dmg file, I am unable to add or remove files on ...
1
vote
0answers
88 views

Why is the Xcode 7 download size different with the app store and a .dmg download?

I was recently trying to download Xcode 7 for my MacBook Pro, and I noticed that when I downloaded it as a .dmg file in my browser it said the file size had a size of 4.8 GB, but when I downloaded it ...
1
vote
1answer
94 views

Disk utility won't let me use the restore option to get a .dmg image onto a USB

I'm tying to make a bootable Debian USB drive. All I need to do is restore the USB drive from the Debian dmg. I get this error. The debian.org documentation is not helpful with this specific issue. ...
0
votes
0answers
34 views

Cannot create a dmg file and save it onto a usb flash drive. Error: Unable to create “ ”. (Operation not Permitted)

I currently am trying to create dmg files from folders inside my 128 GB flash drive. I recently re-formatted it into the exFAT format. The folders I am trying to convert into a dmg file are around 15 ...
0
votes
0answers
11 views

Forget how to… reduce dmg size by discarding unused space [duplicate]

I have a 250 GB DMG with a volume that only uses 75 GB. Is there a way to shrink the size of the DMG file to just the 75 GB? I feel like I've done this before but I can't remember how I did it... I ...
2
votes
1answer
218 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 ...
1
vote
1answer
432 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 ...
0
votes
1answer
114 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 ...
1
vote
1answer
22 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 ...
0
votes
1answer
436 views

Problem installing Box Sync 4 application on El Capitan

I download the Box Sync .dmg, see the mounted installer, click on the installer, enter my password, and NOTHING happens. I have tried this myriad different ways. I have restarted the laptop several ...
0
votes
1answer
36 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 ...
2
votes
2answers
297 views

Changing icon of a mounted disk image

I want to modify the icon of my mounted disk image, the same way as FUSE for OS X. My desktop screenshot, where my disk image is the left one (name is censored): Changing the icon of the dmg is ...
1
vote
1answer
2k views

Using El Capitan, why can't I install some dmg files

I recently upgraded to El Capitan, and now I am finding I can't install certain software. For example, I needed to view WebEx. WebEx had me download a dmg, but when I clicked it to install, it opened ...
-1
votes
1answer
19 views

Multiple Parallels 8 dmg's in my MBA

I use Parallels 8 w/my MBA running Mountain Lion so I can use some Office application. Today, I noticed I have 4 Parallels related dmg's. Each one is approximately 320MB. ...
4
votes
2answers
335 views

Do I have to keep the .dmg files on my computer?

As a new user of OS X I am getting to know how it is to work with it every day and I started noticing things that went unnoticed previously. One such question is, when I download a file from the ...
5
votes
3answers
138 views

Use mdfind to identify all encrypted dmg?

Can someone suggest a clever way to identify all dmg that are encrypted? My only idea is rather complicated. use mdfind '(kMDItemFSName=*.dmg)' and then test the response from hdiutil imageinfo and ...
1
vote
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 ...
0
votes
0answers
67 views

I ran a .dmg by mistake

I ran a .dmg file from an e-mail by mistake, and it opened and showed the installation. I, however, closed the window and unmounted the image. I'm I safe or should I run some virus scanner? If so can ...
0
votes
2answers
59 views

Installing *.dmg via CLI [duplicate]

How are *.dmg packages installed via the command line? I noticed that they can be mounted with: me@MacBook-Pro:~$ open /Users/me/Downloads/installer.dmg What's next?
1
vote
1answer
36 views

Mac Mini keeps trying to mount encrypted DMG at login

I used to have an encrypted dmg image mounted at user login, but I didn't want it to be mounted anymore, thus I removed it from my user's "Login Items", but in spite of that the OS continued asking me ...
0
votes
0answers
38 views

How to force volumes to show toolbar/sidebar on initial open

I noticed when upgrading to Yosemite that all new network drives, disk images, flash drives, etc initially show up without the toolbar and sidebar: I like always being able to see the toolbar and ...
0
votes
0answers
82 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 ...
3
votes
2answers
9k views

Installing OS X Yosemite from compressed DMG file in VMware Fusion

I would like to install OS X Yosemite in VMware Fusion 7.0. If I select the DMG file my university is providing, VMware is unable to boot from the DMG file. The image is a compressed DMG. ...
0
votes
1answer
313 views

Problem moving application from DMG file

I downloaded vlc-2.2.1.dmg to my computer and it opens ok. When I try to copy the app to the Application folder I get this error message. When I try to open VLC from the DMG file it runs fine. I ...
0
votes
0answers
34 views

How does Apple track the origin of a program?

So, I downloaded an Xcode DMG from Apple's website from my main Mac. I copied this DMG to a samba network share. Later, I went on an entirely separate Mac and copied the DMG off the samba network ...
0
votes
0answers
21 views

How can I make volumes that I mount be opened in the current Finder tab instead of in a brand new window?

For example, if I mount a downloaded disk image, it opens in a new Finder window, with the toolbar missing (and therefore with the status bar at the top instead of at the bottom and with the tab bar ...
0
votes
0answers
132 views

Create PKG file from DMG

I am attempting to create a PKG file, from a DMG. Any idea if this is possible and what tools do I need to make this happen?
0
votes
3answers
2k views

How to open .dmg file or install XCode on Windows?

I am mostly windows developer and had to step into iDevelopmentWorld. Went to apple to get XCode, downloaded it, however file extension is .dmg. Windows does not recognize it as executable and throws ...
0
votes
0answers
39 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 ...
1
vote
0answers
63 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.
0
votes
1answer
58 views

how do I launch firefox after installing it?

I downloaded the .dmg for Firefox, clicked on it, was prompted to drag it to the Applications folder, did so, but cannot launch it. The directions are to drag the icon from Applications to the ...
1
vote
1answer
64 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 ...
1
vote
1answer
68 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 ...
1
vote
2answers
462 views

What is the differences between Dreamweaver_14_LS20.dmg and Dreamweaver_13_LS20.dmg?

I find that there are two versions of Dreamweaver CC for Mac OSX, one is Dreamweaver_14_LS20 and another is Dreamweaver_13_LS20. Can anyone tell me what is the exactly differences between these two ...
1
vote
0answers
368 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
votes
4answers
3k views

Is it possible to restore OS X .dmg file to External Drive?

I recently traded in my iMac with 1TB HDD for a MacBook Pro with a 256 GB flash drive. I want to restore my previous hard drive but obviously it won't fit on the new hard drive. Is it possible to ...
0
votes
1answer
186 views

Unlock an encrypted DMG on login

How can I unlock an encrypted DMG on login? Something graphical to hdiutil mount ~/Desktop/secure.dmg