Search:

You can also use Startup Disk Creator found under System->Administration to create this.

And yes, thank you Neds.

Make sure you've installed the hfsplus, hfsutils, and hfsprogs packages. For the first two, you can install via the terminal (sudo apt-get install hfsprogs or hfsplus), but for the third, do a quick...

I get really far with this tutorial:

I plug in my flash drive, and when I hold down Alt/Option on boot, I'm presented with Macintosh HD and rEFIt. When I click rEFIt, I'm then asked to:
1 - Boot...