I screwed with some bin files in MAC OSX, and can't log in. Anyways, I want a bootable ubuntu usb so I can recover my files/look at the disks. I KNOW HOW TO MAKE A USB BOOTABLE IN MAC. However, I do not know how to make one in Ubuntu. I have a computer with ubuntu, but need to make a bootable usb FOR A MAC. Any help is greatly appreciated.

  • The firmware in newer Macs allows to boot standard UEFI bootable media, which are rather trivial to create and don't require special Ubuntu images. – LiveWireBT May 7 '15 at 9:20
  • The standard USB-image will boot on a mac if prepared according to instructions. – Thorbjørn Ravn Andersen Jan 6 '16 at 20:51

You will of course need a OS X Installer Image. To get this you can follow the instructions here

After you have got your installer media, you can use ubunut's built-in utility Startup Disk Creator to make a bootable USB. SO, open dash and search for Startup Disk Creator and open it. Follow the on-screen instructions or refer to this document from ubuntu.

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Don't even think about using Ubuntu to fix OS X. Use the recovery partition which should be part of any modern installation of OS X, by booting and pressing CMD-R. You can then repair as needed - perhaps even install a fresh OS X on top of your existing installation which can fix most broken things.

See https://support.apple.com/en-us/HT201314 for details.

If everything goes completely wrong, restore from a Time Machine backup.

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Try installing unetbootin

sudo apt-get install unetbootin

and using your mac iso, install it to your usb

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