default coreos label coreos kernel coreos_production_pxe.vmlinuz append initrd=coreos_production_pxe_image.cpio.gz cloud-config-url=http://192.168.2.10/install-coreos.sh This configuration file tells pxelinux.0 to download CoreOS images coreos_production_pxe.vmlinuz and coreos_production_pxe_i...