I have been successfully building images based on Ubuntu 18.04, with and without console displays, with Packer on macOS. Now I need to retarget for a RHEL 7.8 server using qemu/kvm as the virtualization platform.
I am able to build a VM with virt-install - as long as I have a console display. I have not had any success building headless, either with virt-install or Packer. If I set headless to false in the Packer configuration, I get a message saying “The version of qemu on your host doesn’t support display mode.”
How can I track the progress of a headless build? What are some n00b mistakes I might be making in configuring it?
Thanks for any pointers.
[ETA:] Packer 1.6.0, qemu reports version 1.5.3. RHEL 7.8 on a brand new Dell server.