We found the problem when both my friend and I ran hdutil imageinfo filename.dmg | grep Format. If I did a hdutil attach filename.dmg, it would give the following error: completed.calculated CRC32 $ABCDEF12, expected CRC32 $00000000Finishing.hdiutil: attach failed - corrupt imageNote the expected CRC32 checksum was zero (the calculated value was an eight-digit hex, represented here by the simple ABCDEF12 string), which is certainly unlikely. When I tried dragging the file into Disk Utility's left section, and then doing a verify on the dmg file, I'd get a Verify volume failed with error Invalid request (-9998) message. We compared md5sums of the file, and they were identical. I checked with a friend of mine on another Mac OS X system, and he downloaded and opened the dmg file with no problem. I downloaded it from several other locations, but the file still refused to open. dmg (disk image) file: I kept getting a corrupt dmg file message when trying to open it. iso on your MacOS, you can copy it to any Windows or Linux computer for burning or mounting.I recently ran into a problem trying to open a downloaded. Hdiutil makehybrid -iso -joliet -o ~/Desktop/filename.iso ~/Desktop/filename.cdrĭMG is a disk image format commonly used by Mac OS X, but it’s practically unusable on Windows or Linux platform.

However, a renamed file won’t work on Windows or Linux. dmg, set the Image Format to “ compressed” instead. iso, make sure to choose DVD/CD master as the Image Format.

In the pop-up window, select Desktop as your destination.

DMG or ISO file you would like to convert, select it and click on the Choose button. In the menu bar at the top of the screen, select Images -> Convert.

Just launch Disk Utility (in /Applications/Utilities).

Sit back and wait for the process to complete. Hdiutil convert ~/Desktop/filename.iso -format UDRW -o ~/Desktop/filename.dmg dmg, just execute the following command in the Terminal window: If you need to convert a disk image from. When the process finishes, you’ll get an ISO image that is compatible with Windows, Linux, Ubuntu and Mac. Hdiutil makehybrid -iso -joliet -o ~/Desktop/filename.iso ~/Desktop/filename.dmg

Enter the following command into the Terminal window, assuming that you’ve put the.

Just press Ctrl + Alt + T on your keyboard to open the Terminal.

Mac OS X has a command line tool called hdiutil which allows you to create, mount and convert different types of disk image with ease. dmg format using the Terminal or Disk Utility on Mac OS X. iso on Mac? Don’t bother downloading any third party software, you can easily convert. iso image, and now you want to convert it to.

Compressed mac os x dmg