[root@localhost aspnetcore]# docker loginLoginwithyourDockerIDtopushandpullimagesfromDockerHub.Ifyoudon't have a Docker ID, head over to https://hub.docker.com to create one.Username: monksoulPassword: WARNING! Your password will be stored unencrypted in /root/.docker/config.json.Configure a credential helper to remove this warning. Seehttps://docs.docker.com/engine/reference/commandline/login/#credentials-storeLogin Succeeded[root@localhost aspnetcore]#