Question: how to pxe boot raspberry pi?
Answer: Update Raspbian and install rpi-eeprom, rsync and dnsmasq., Create the NFS, tftp boot directories and create our base netboot filesystem., Configure the PXE server to use a static IP., Configure dnsmasq for PXE boot., Configure the NFS exports on the PXE boot server., Configure the /etc/fstab to mount via NFS.