Update two templates by updating only one

[valenka72]

I have the default fedora template that just comes with Qubes: fedora-39-xfce.
This is set as the template for sys-net, sys-firewall and sys-usb.

I’ve never and will never do anything with fedora-39-xfce, because sys-net, sys-firewall and sys-usb are important so I don’t want to ever bother with their template.

So, now I want to use some apps, basically. And I will not use fedora-39-xfce.

So I just cloned it to fedora-apps. But now, each time I’ll have to update both.

To save bandwidth, I, each time, update fedora-39-xfce, delete fedora-apps, clone fedora-39-xfce to fedora-apps again, then install the apps I need in fedora-apps (which are not many, and they are just .rpm packages that are downloaded before.)

What is the solution to this problem? I’m sorry if this is a duplicate, but I have absolutely no idea how do I search for this complex-to-say thing.

[apparatus]

You can use caching proxy packaged by @unman:

Tool: Simple Set-up of New Qubes and Software

For a long while now we’ve been talking about methods of helping users set up their systems, and install and configure software. New users in particular find this difficult to deal with. Look at the repeated posts in the Forum about how to set up a VPN. Many of the guides that are produced involve users copying shell scripts into dom0 or templates and running them, and it’s obvious that many people still struggle. Wouldn’t it be better if users could just install a package that did all t…

Or create it manually, but you may need to update the Fedora mirrors list manually (the list should be updated in the caching proxy packaged by @unman from the previous link):

unman/notes/blob/master/apt-cacher-ng.md