Posted October 10, 2007 by David Kirk in Apple Mac
Installing OS X from a DMG file can be difficult. With leopard testing and development, many people are having troubles installing from the supplied binary. Here is how it can be accomplished.
DMG is Mac OS X native disk image format while virtual machines (VmWare, Parallels or VirtualBox) are able to mount ISO images only. With AnyToISO program you can convert DMG to ISO and mount the resulting ISO image to your virtual machine (running Mac OS X). I have used the following command for dmg file attach and detech. Hdiutil attach installer.dmg hdiutil detach installer.dmg in the dmg file it contains test.app GUI mode installation, i can drag the test.app to application location. What i need is when i double-click the script, dmg containing the app should install automatically to.
Creating a 'DMG installer' for OS X. A DMG Installer is convenient way to provide end-users a simple way to install an application bundle. They are basically a folder with a shortcut to the Applications directory but they can be customized with icons, backgrounds, and layout properties.
Installing OS X from a dmg file format instead of a DVD/CD format seems challenging. Here is how it can be accomplished.
1. Burn it to Dual Layer DVD
OS X is too large to fit on a single layer DVD; however, many macbooks support burning dual layer DVDs. The media is expensive, but for many people this is the easiest option.
Burn it and reboot to it. The OS X will install.
2. Restore the dmg file to an external device
An external hard drive or an iPod in hard disk mode will serve as an excellent booting device as well.
– Copy your dmg file to your current apple desktop.
– In the Utilities Folder in your Applications Folder select Disk Utility
– Select your external device in the left column of the utility
– Click the Restore button
– Drag your dmg to your Source textbox
– Drag your device from the left column to the Destination textbox
– Click the Restore
You will lose any information you have in your external device in this process. After the dmg is restored to the external device, change your boot disk to this device and reboot.
Dragging the source and destination files can be a little confusing. Click the picture below for a larger version.
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