The process for creating bootable USB media with Mac OS X is very similar to that of Linux, but there's a little preparation to do first. After you download the ISO, as mentioned earlier, we will need to convert the ISO file to the
IMG format and then write the media.
First, let's convert the downloaded ISO image.
Open a terminal and then execute the following command:
hdiutil convert -format UDRW -o <path_to_save_IMG_file> <path_to_ISO_image>
In my case, the command is as follows:
hdiutil convert -format UDRW -o /Users/jay/ubuntu_server.img /Users/jay/Downloads/ubuntu-16.04-server-amd64.iso
All you should need to do is change the paths accordingly. First, we're choosing the path we want the created ...