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rated 0 times [  2] [ 0]  / answers: 1 / hits: 5849  / 1 Year ago, fri, december 9, 2022, 3:05:26

I set up a PXE server which hosts both Ubuntu Desktop and Ubuntu Server.

  • Ubuntu Desktop is installed successfully from PXE.

  • Ubuntu Server seems to successfully load vmlinuz and initrd.gz, asks for the language, then the location, then the keyboard layout, and finally complains that it can't mount the CD-ROM:

Your installation CD-ROM couldn't be mounted. This probably means that the CD-ROM was not in the drive. If so you can insert it and try again. Retry mounting the CD-ROM? (Yes) (No)

The content of /var/lib/tftpboot/pxelinux.cfg/default is the following:

default ubuntu-installer/amd64/boot-screens/vesamenu.c32
menu title Ubuntu setup
label ubuntu-14.04-desktop-amd64
menu label ubuntu-14.04-desktop-amd64
kernel ubuntu-14.04-desktop-amd64/vmlinuz.efi
append initrd=ubuntu-14.04-desktop-amd64/initrd.lz root=/dev/nfs boot=casper netboot=nfs nfsroot= splash --
label ubuntu-14.04-server-amd64
menu label ubuntu-14.04-server-amd64
kernel ubuntu-14.04-server-amd64/vmlinuz
append initrd=ubuntu-14.04-server-amd64/initrd.gz root=/dev/nfs boot=install netboot=nfs nfsroot= splash --

What explains the fact that it requests the CD-ROM and how to avoid it?

More From » server


I had the same problem trying to PXE boot the 14.04 server-amd64 disc. I finally noticed I had used the wrong initrd.gz. Make sure you are using the one from /install/netboot/ubuntu-installer/amd64 on the disc. The filesize for mine (14.04, not 14.04.1) is: 21256771.

Here is my pxeconfig entry:
LABEL Ubuntu 14.04 Server amd64
append boot=casper netboot=nfs nfsroot= initrd= ip=dhcp --
MENU LABEL Ubuntu 14.04 Server amd64
Ubuntu Server 14.04 amd64 with NFS root

[#24819] Friday, December 9, 2022, 1 Year  [reply] [flag answer]
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