$ docker login -u jenkins-nexus -p ******** https://docker.openmodelica.org WARNING! Using --password via the CLI is insecure. Use --password-stdin. WARNING! Your credentials are stored unencrypted in '/var/lib/jenkins/ws/LINUX_BUILDS_tmp/29828974-4a4b-41e7-a547-ca06cedcc6cf/config.json'. Configure a credential helper to remove this warning. See https://docs.docker.com/go/credential-store/ Login Succeeded