I am adding on a note about a different issue i encountered, because I suspect something in the installation procedure for Speedtest messed up Cockpit. The Cockpit interface on port 9090 stopped working after installing the Ookla speedtest package, bu I don’t know why. The old Server Manager UI on port 980 worked fine. I ended up following most of the instructions in this discussion, reinstalling Cockpit. This discussion zeroed in ont a [possibly failing Ethernet NIC, but in my case, I did not make any config changes or disconnect any cables: Cannot access cockpit Web UI (port 9090)