I have followed the instructions as per rancher/ui README.md to start the ui.
After i type npm start I see warnings
The UI doesn’t appear in 57, 54 versions of chrome and firefox 52 version.
I use Archlinux with Node (7.7), I have tried in Node 7.4, 6.9, 4.8.
I had my colleague try it out in Ubuntu 16.04 (Node js 6).
The error i see in the console of my browser is