Cobbler

mkdir -p /srv/iso/ubuntu-18.04.2-server-amd64
cd /srv/iso
wget http://cdimage.ubuntu.com/releases/18.04.2/release/ubuntu-18.04.2-server-amd64.iso
mount ubuntu-18.04.2-server-amd64.iso ubuntu-18.04.2-server-amd64
cobbler import --name ubuntu-18.04.2 --path=/srv/iso/ubuntu-18.04.2-server-amd64
cobbler sync

clone https://github.com/noharm/cobbler.git
dpkg-buildpackage
install cobbler
pip install django==1.6

https://www.molnar-peter.hu/en/ubuntu-jammy-netinstall-pxe.html