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When attempting to boot Ubuntu 20.04 via PXE, I'm getting the error Unable to find a live file system on the network.

I use the NFS method:

menu label ^Install ubuntu
kernel /images/ubuntu20-04/casper/vmlinuz 
append initrd=/images/ubuntu20-04/casper/initrd nfsroot=192.168.2.1:/nfs_share/ubuntu ro netboot=nfs boot=casper ip=dhcp ---

Screenshot

How can I fix this?

NotTheDr01ds
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jacklee26
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1 Answers1

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I ran into the same error as you.

The reason is probably that I used wrong boot files.

Here is what I did to make it work:

 mount -o loop  /var/www/kickstart/ubuntu2004/ubuntu-20.04.4-live-server-amd64.iso /mnt
 cd casper/
###
hwe-initrd  hwe-vmlinuz  initrd  vmlinuz

I used iPxe boot. Here is my boot menu.

:ubuntu2004

    # initrd=XXX of 'kernel` line is a must.
    # /boot/efi is a must if you don't partition automatically.
    # https://cloudinit.readthedocs.io/en/latest/topics/datasources/nocloud.html
    # You can provide meta-data and user-data to a local vm boot via files on a vfat or iso9660 filesystem. The filesystem volume label must be cidata or CIDATA.
    # Memory should be more than 4G, otherwise, cloud-init fails to start.
    # UEFI, https://askubuntu.com/questions/1238070/deploy-ubuntu-20-04-on-bare-metal-or-virtualbox-vm-by-pxelinux-cloud-init-doesn
    # cloud-net\; s=xxx

    kernel ${base}/images/ubuntu2004/vmlinuz root=/dev/ram0 ramdisk_size=1500000 ip=dhcp  url=${base}:8081/ubuntu2004/ubuntu-20.04.4-live-server-amd64.iso autoinstall ds=nocloud-net;s=${base}:8081/ubuntu2004/
    initrd ${base}/images/ubuntu2004/initrd
    boot || goto failed
    goto start
Promille
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newbie
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