Ubuntu 16.04 netboot installer via iPXE

ubuntu-installer-remote.ipxe

#!ipxe
dhcp net0

# Figure out if client is 64-bit capable
cpuid --ext 29 && set arch x64 || set arch x86

echo Starting Ubuntu Xenial installer for ${mac}
set mirror http://archive.ubuntu.com
set release xenial
set base-url ${mirror}/ubuntu/dists/${release}/main/installer-${arch}/current/images/netboot/ubuntu-installer/${arch}
kernel ${base-url}/linux
initrd ${base-url}/initrd.gz
#imgargs linux auto=true url=http://yourserver/some/path/preseed.cfg
boot || goto failed

:failed
# If everything failed, give the user some options
echo Boot from ${base-url} failed
prompt --key 0x197e --timeout 2000 Press F12 to investigate || exit
shell