(you can drag the file into command prompt to get full path) refind-install -–usedefault /dev/disk3s1
#How to install ubuntu on a mac with usb install#
Install rEFInd on your USB's EFI partition. Follow the gdisk recipe at under "Fixing the installation" point 6.execute "diskutil list" from the console and note the device name, and the EFI partition (e.
#How to install ubuntu on a mac with usb cracked#
Well, I spent a second whole day on it and now I've cracked it. If I can get this solved I will place a clear guide on the web somewhere! Can boot, rEFInd loads, there is an option to boot ext2_圆4.EFI(?) but no Ubuntu/vmlinuz.Copied ext2_圆4 to /EFI/boot and /EFI/refind.Put rEFInd on a another, FAT32 partition which contains /EFI directory.USB disk has ext2 /boot partition (with vmlinuz image on it), and ext4 / partition with the rest of Ubuntu 14.04 installed.However, I think I must be close to cracking this and hope somebody can point to a step-by-step guide somewhere. I'm a bit stuck at this point, and the next steps will have to be a detailed study of bootloaders and EFI.
I have an ext2 /boot partition on the same disk, and copied ext2_圆4.efi into the /EFI directory, but no go. So, I've managed to get rEFInd installed on a partition on the external drive but it does not detect the Ubuntu installation. However, the common thread appears to be using rEFInd to rejig the boot options. I have Googled extensively and I'm sure it's possible to get the Mac to boot it, but the instructions I've found have been either too vague ( Installing Ubuntu on and External Hard Drive and boot in a Mac) or in one case, too complex ( ) to make much sense. However, contrary to some assertions here and elsewhere, after restarting the result is not detected by the Mac as bootable. I can easily create a bootable USB stick and use that to install Ubuntu 14.04 onto a properly partitioned USB device. I wish to run Ubuntu on my iMac from external USB storage, either an external disk or a flash drive.
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