Cockpit is the modern Linux admin interface. We release regularly. Here are the release notes from version 180:

http://cockpit-project.org/blog/cockpit-180.html

Summary: - Move to ssh SHA256 fingerprints - Machines: Show error messages in the correct place

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

Cockpit 180 is available in Fedora 28 and 29: https://bodhi.fedoraproject.org/updates/cockpit-180-1.fc28 https://bodhi.fedoraproject.org/updates/cockpit-180-1.fc29

Or download the tarball here: https://github.com/cockpit-project/cockpit/releases/tag/180