wget https://boot.netboot.xyz/ipxe/netboot.xyz.lkrn -O /boot/netboot.xyz.lkrn
nano /etc/grub.d/40_custom
#/etc/grub.d/40_custom
menuentry "netboot.xyz.lkrn" {
linux16 (hd0,msdos1)/netboot.xyz.lkrn # /boot is (hd0,msdos1) drive
}
#
# One of
grub2-mkconfig -o /boot/grub2/grub.cfg
grub-mkconfig -o /boot/grub/grub.cfg
reboot
Set network interface nummber: 0
IP:203.0.113.2
Subnet mask:255.255.255.0
Gateway:203.0.113.1
DNS:8.8.8.8