OLPC on QEMU

Follow this guideline http://wiki.sugarlabs.org/go/QEMU

If it's not clear, here is it.

1. Install qemu: yum install qemu
2. Create a disk image: qemu-image create olpc.img
3. Download School Server (XS) iso: wget http://xs-dev.laptop.org/xs/OLPC_XS_LATEST.iso
4. Start qemu and install XS: qemu -hda olpc.img -cdrom OLPC_XS_LATEST.iso -m 512