Using /dev/rdisk instead of /dev/diskmay be faster.Execute sudo dd if=/path/to/downloaded.img of=/dev/diskN bs=1m (replace /path/to/downloaded.img with the path where the image file is located for example.If you see the error “Unmount of diskN failed: at least one volume could not be unmounted”, start Disk Utility.app and unmount the volume (don’t eject).Run diskutil unmountDisk /dev/diskN (replace N with the disk number from the last command in the previous example, N would be 2).Run diskutil list again and determine the device node assigned to your flash media (e.g.Run diskutil list to get the current list of devices.dmg ending on the output file automatically.
img using the convert option of hdiutil hdiutil convert /path/to/ubuntu.iso -format UDRW -o /path/to/target.img
Create a bootable usb stick on ubuntu for mac install#
You can use the same method to install Ubuntu on an external Hard drive or on a partition of external Hard drive. In this tutorial, we are going to create a bootable usb flash drive from live ubuntu iso file, and use it to install ubuntu on a flash drive. If you have a Macbook with limited storage on SDD and don’t want to install ubuntu on the Mac or you just want to have a movable OS with persistent storage (meaning your settings and files are stored on the drive unlike live CD) in your pocket, you have come to the right place.
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