Hi,
currently enabling booting via ipxe (https://ipxe.org/) over http needs
a dedicated mirror that has vmlinuz and initrd extracted from the iso.
Would it be possible to release those files - already extracted from the
iso - alongside those very isos?
This would enable ubuntu to create one iso, that can boot every version
available directly from one usb stick or pxe server.
#!ipxe
dhcp
set http-server https://releases.ubuntu.com
kernel
http://${http-server}/ubuntu/21.10/ubuntu-21.10-desktop-amd64.iso.vmlinuz
initrd
http://${http-server}/ubuntu/21.10/ubuntu-21.10-desktop-amd64.iso.initrd
imgargs ubuntu-21.10-desktop-amd64.iso.vmlinuz root=/dev/ram0
ramdisk_size=3000000 boot=casper ip=dhcp netboot=url
url=http://${http-server}/os/ubuntu/21.10/ubuntu-21.10.x-desktop-amd64.iso
boot || shell
Something similar is done by Arch Linux. But they included the Let's
Encrypt Root Certificate too, to enable boot via https, and they
chainloaded a menu from their mirror to just have one iso or usbstick
image to work indefinitely, as the critical information, what to boot
would be loaded after the boot of ipxe.
Regards
MonkZ
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