Howto install Fedora Core 5 (FC5) from a USB stick

Download the Fedora disk image from a mirror:

# wget
Make sure that the USB device is unmounted:
# sudo umount /dev/sda1

Copy the img to the usb key device:

# dd if=diskboot.img of=/dev/sda

Reboot and then select a network based install by typing:

linux askmethod