$ 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/jenkins1/ws/LINUX_BUILDS_tmp/a683914b-f165-4e86-93a0-cd8f32281ce4/config.json'. Configure a credential helper to remove this warning. See https://docs.docker.com/go/credential-store/ Login Succeeded