iPXE

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iPXE is an open-source version of PXE (Preboot eXecution Environment). It allows installation of various operating systems over a network. It comes bundled with SeaBIOS.

How to netboot[edit]

Ubuntu[edit]

dhcp
imgfree
set base-url http://archive.ubuntu.com/ubuntu/dists/(dist)/main/installer-amd64/current/images/netboot/ubuntu-installer/amd64
kernel ${base-url}/linux
initrd ${base-url}/initrd.gz
boot

Replace dist with your preferred Ubuntu version.

Reference[edit]

Dist Version
focal Ubuntu 20.04
eoan Ubuntu 19.10
bionic Ubuntu 18.04
xenial Ubuntu 16.04
trusty Ubuntu 14.04
preicse Ubuntu 12.04