This is an old revision of the document!
Pxeboot Debian 8.8 livecd with http.
vmlinuz initrd.img filesystem.squashfs
#!ipxe kernel http://192.168.10.10/boot_templates/debian_8.8/live/vmlinuz initrd http://192.168.10.10/boot_templates/debian_8.8/live/initrd.img imgargs vmlinuz boot=live config hooks=filesystem username=live noeject fetch=http://192.168.10.10/boot_templates/debian_8.8/live/filesystem.squashfs boot
If you want to customize this livecd you can always modify your squashfs image and add ssh authorized key or any custom things that you want to run. Enjoy!