Cockpit is the modern Linux admin interface. We release regularly. Here are the release notes from version 179:

- Machines: Detach disk support when using the libvirt D-Bus provider
- Machines: Offer cockpit-machines as Application

You can get Cockpit here:

Cockpit 179 is available in Fedora 28:

And Fedora 29:

Or download the tarball here:

King regards,
Sanne Raymaekers