On Mon, Apr 25, 2022 at 02:42:18PM +0200, Nguetchouang Ngongang Kevin wrote:
> Hello everyone, i got 2 questions and I hope you could help me ?

> * is it possible to specify extra options of qemu-img (when
> creating/building image/os using virt-install and virt-builder ?)

Could be useful to know what particular options you are interested in.
Maybe qemu-img create “-o” stuff?

> * Is it possible to rebuild another os (in the manner of
> virt-builder) on an existing image file but by using virt-customize?

I'm not totally sure what this question means.  virt-builder is really
a tool that downloads and uncompresses templates (from:
https://builder.libguestfs.org/ and other places) and then customizes
them using the same code as used in virt-customize.  So you can split
up the two tasks yourself easily enough, if that's what you mean.
Virt-customize can be used across many different OSes.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
libguestfs lets you edit virtual machines.  Supports shell scripting,
bindings from many languages.  http://libguestfs.org
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