- https://wiki.debian.org/PXEBootInstall -> "Simple way - using Dnsmasq"
- https://gist.github.com/jo-makar/6332a89d2fd034a39aa5b3e619950888
In pxelinux.cfg/ use mac addresses instead of Default for client specific configuration. For example pxelinux.cfg/00-11-22-33-44-55
With this (mac files) you can also get host specific preseed by files with specific preseed/url= settings.