I'm on a mac on dual boot, I've got my hard drive partitioned so that it can run OS X and Windows. Now I've got an external hard drive that I want to install Ubuntu 14.04 on it and use it on my mac.
I created a live usb and ran Ubuntu and I did everything needed to install Ubuntu on my external hard drive. One of my problems was that I did everything without internet access on Ubuntu, but I solved it now.
During the installation I got an error message saying that I couldn't install the bootloader on my external hard drive. So I continued the installation in order to manually install the bootloader.
So what should I do? Where should I install the bootloader in order to run Ubuntu from my external hard drive? Should I install it on my mac partition? I want my mac to boot even when I don't have access to my external hard drive.