Creating a bootable USB stick on Mac OSX

Just for future reference:

Convert the ISO image

hdiutil convert -format UDRW -o newimage.img image.iso
        

Make the USB stick bootable

sudo fdisk /dev/disk2
        flag 1
        write
        quit
        

Flash the image to the USB stick

sudo echo
        dd bs=1m if=newimage.img | pv -trab | sudo dd bs=1m of=/dev/DISK-DEVICE
        

DISK-DEVICE will probably be rdisk2

Eject disk

sudo diskutil eject /dev/diskN
        

See How to create a bootable USB stick on OS X for more information.