$ 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/7f9e9d89-71c9-4fd0-849f-bfb6e9f99f63/config.json'. Configure a credential helper to remove this warning. See https://docs.docker.com/go/credential-store/ Login Succeeded