wget http://ftp.nl.debian.org/debian/dists/jessie/main/installer-amd64/current/images/netboot/netboot.tar.gz
 tar xzf netboot.tar.gz
 cp -a debian-installer /srv/tftp/
 

 
 https://wiki.debian.org/DebianInstaller/NetbootFirmware#Netbooting_and_Firmware
 
 # cd to the directory where you have your initrd
 cd /tftpboot/debian-installer/i386
 [ -f initrd.gz.orig ] || cp -p initrd.gz initrd.gz.orig
 [ -f firmware.cpio.gz ] || wget http://cdimage.debian.org/cdimage/unofficial/non-free/firmware/stable/current/firmware.cpio.gz
 cat initrd.gz.orig firmware.cpio.gz > initrd.gz

Konfigurace MS DHCP pro PXE

http://jensd.be/533/linux/create-a-pxe-bootserver-to-server-multiple-linux-distributions

http://www.tecmint.com/add-ubuntu-to-pxe-network-boot/