Select the volume containing the bootable installer, then click Continue. Turn on your Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes. Just to be thorough let's eject the device before removing it to save our precious data ! diskutil eject /dev/diskNĪnd that's that, you'll now have a bootable device. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS youre installing. Once done your device should be ready for action. That will take a while and do the actual write and wiping of the device.
img file at ~/path/to/ubuntu.img which we will write to the USB.īefore we write to the USB we first need to identify which /dev/ which will rather use raw and give a slight boost in performance. Creating an ISO image from a physical disc or from a set of files is very easy to do however, through the use of a CD burning application, such as the. Do this by running the following command: hdiutil convert -format UDRW -o ~/path/to/ubuntu.img ~/path/to/ubuntu.iso dmg which dd can understand and write to the USB. Supports CD/DVD/Blu-Ray and USB devices such as memory sticks Can create bootable Windows. In our case this would be the latest Ubuntu release I grabbed.įirst we need to convert that. Click View in the top left corner and make sure Show all devices is enabled. To do this we first need a ISO image we want to write to USB. Make sure your USB drive is plugged into your Mac and continue by opening the Disk Utility app by either searching for it or by navigating to /Applications/Utilities/Disk Utility.app manually.
Note: On newer Macs you might have to install an EFI boot manager to boot from USB.Been doing tons of writing images to USB recently and have found these few commands very useful. Connect the carrier to the Mac you want to install the OS on.
Here’s how to install macOS from an OS X boot USB drive: 1.
Just like Windows, Apple also built in an ISO to DVD burner utility in iMac and MacBook for Mac users to burn ISO to disc of DVD, CD or Blu-ray. Burn ISO to DVD on Mac with Disc Utility.
In addition to Hiren it can also write a number of Linux and Windows based images, and also install a version MS-DOS or FreeDOS which is useful for such tasks as BIOS flashing.There’s also the option to run a multiple pass scan to check the USB stick or a memory card for bad block errors. Determine which device the USB drive is assigned as by.
dmg extension as necessary, mv ~/path/to/target.img How to Create a Bootable Mac OS Installer from Ubuntu Linux Format a > 32gb USB drive as ExFAT Download El Capitan ( InstallOSX.dmg ) to the USB drive. dmg ending on the output file automatically. img using the convert option of hdiutil (e.g., hdiutil convert -format UDRW -o ~/path/to/target.img ~/path/to/ubuntu.iso) Open the Terminal (in /Applications/Utilities/ or query Terminal in Spotlight).
Directly from the How to install Ubuntu on MacBook using USB Stick page