From this on the github page: https://github.com/MicrosoftDocs/vsonline/issues/41 https://github.com/MicrosoftDocs/vsonline/issues/41 "Presently, running the "

From this on the github page: https://github.com/MicrosoftDocs/vsonline/issues/41 https://github.com/MicrosoftDocs/vsonline/issues/41 "Presently, running the "Register" command via a full instance of VS Code is the only supported flow, but the scenario you described of hosting a server without a GUI is on the product roadmap."