How to know if docker is already logged in to a docker registry server

Question

I\'m not sure if I have already logged in to a docker registry in cmd line by using cmd: docker login. How can you test or see whether you are logged in or not, without tryi

Answer 1

At least in "Docker for Windows" you can see if you are logged in to docker hub over the UI. Just right click the docker icon in the windows notification area: