PXELinux global default

LABEL discovery
MENU LABEL Foreman Discovery
MENU DEFAULT
KERNEL boot/fdi-image/vmlinuz0
APPEND rootflags=loop initrd=boot/fdi-image/initrd0.img root=live:/fdi.iso foreman.url=https://url rootfstype=auto ro rd.live.image rd.lvm=0 rootflags=ro crashkernel=128M
elevator=deadline max_loop=256 rd.luks=0 rd.md=0 rd.dm=0 nomodeset selinux=0 stateless
IPAPPEND 2