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

https://cockpit-project.org/blog/cockpit-179.html

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

You can get Cockpit here:
https://cockpit-project.org/running

Cockpit 179 is available in Fedora 28:
https://bodhi.fedoraproject.org/updates/cockpit-179-1.fc28

And Fedora 29:
https://bodhi.fedoraproject.org/updates/cockpit-179-1.fc29

Or download the tarball here:
https://github.com/cockpit-project/cockpit/releases/tag/179

King regards,
Sanne Raymaekers