Fog VS foreman

I heard about devbox [1] but I haven't tried it yet. Perhaps it could suit your needs.

Back in the day I used "Norton Ghost" to create a full image of a just-installed windows just in case I needed to go back in time. Windows includes a snapshot feature built-in but I did not really trusted it. These days you can use a "sysprep" tool [2] to create a similar system snapshot. Make a partition and keep everything you don't want deleted on drive D: or something :-).

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1: https://www.jetpack.io/devbox

2: like https://www.ntlite.com or https://fogproject.org

For provisioning the machines base image consider FOG it uses PXE and can remotely provision dozens of machines using multicast.

Same. We set up 1 device how we want to, then use FOG to clone the other devices

With standard computers, I usually deploy something like the fog project and automate the process over pxe with scheduled reboots. I guess you could do that as well with your VMs but that seems overkill.

you could setup a PXE server and automate installs. you could also clone them and reapply the image as needed. https://fogproject.org/ or lookup CloneZilla both are open source

Free: https://fogproject.org/ or https://clonezilla.org/

Microsoft used to have a free tool called SteadyState to do this, but it's been discontinued for a while. It took a different approach of undoing changes rather than restoring from image but it worked great with Kiosk mode. There are remote management tools that can wipe and reimage managed machines, most of them don't require an AD domain. As an example FOG Project.

I was confused because there is https://github.com/ddollar/foreman and https://github.com/theforeman/foreman

In case you're unable to use intune, a free approach might be https://theforeman.org/ That works well for provisioning baremetal windows (with discovery image or pxe boot) once you've set it up. It supports script access as well as a nice hierarchy for configurations. But it's really not as well documented as it should be.

I use the foreman with puppet and pxe/kickstart scripts to automate VM/baremetal provisioning etc.

It comes from the remote execution user snippet: https://github.com/theforeman/foreman/blob/develop/app/views/unattended/provisioning_templates/snippet/remote_execution_ssh_keys.erb

KVM & Foreman

Might want to look into https://theforeman.org/ if it's not too complex for you

The iso images are typically locked at a certain verison. The update repositories sounds like what you are looking for to cache updates. Look into theforeman.org and specifically the plugin Katello. This is an upstream for Red Hat's Satellite product. Another option would be Canonical's MAAS. Both of these options Sound like what you are headed for unless you really just mean synchronize into a folder and store the images in which case yeah.....just use rsync.

Alternatively, you can use Foreman+Katello, the upstream base of Satellite, to get started in learning the platform. You can also use the component matrix to use the versions that most closely resemble Satellite.