On 3/13/22 13:45, Peter Boy wrote:
I just checked installation of qemu-kvm & libvirt & virt-install on a Fedora 
Server Edition, that is  a headless server. It installed 338 packages / 158 mb 
including poppler, mesa, wayland, libX11, gtk3, cairo and a lot of additional graphic 
related software.

I’m wondering, why I need Wayland or X11 etc for kernel virtualization and 
running virtual machines? It turns my headless server into a graphical 
workstation. It installs software that I don't need for running a headless 
server, and don't want there.

If I install the same combo on a Debian / Ubuntu headless Server it installs 
about 40 packages / 20 mb. I know, the packages are not the same, but 
Debian/Ubunt doesn’t need X11, poppler, mesa, etc. for virtualization on a 
headless server. Can't we do the same?

qemu-kvm is a metapackage which points to qemu-system-x86. That is also a metapackage which brings in all the qemu packages including the graphical parts. If you don't want that, then you have to install just the packages that you need.

"dnf repoquery --requires qemu-system-x86" will give you the list of included packages.
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