Kvm

Create image.

qemu-img create -f qcow2 f8_1_x86_64.img 10G

Start image.

qemu-kvm -m 512 -cdrom /install/system/linux/fedora/8/Fedora-8-x86_64-rescuecd.iso -hda /install/kvm/f8_1_x86_64.img -boot d

Start image.

sudo qemu-kvm -m 512 -cdrom /install/system/linux/fedora/8/Fedora-8-x86_64-DVD.iso -hda /install/kvm/f8_2_x86_64.img -boot d &