$ 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/9dd315c6-f7d2-4a58-838e-4e367869b838/config.json'. Configure a credential helper to remove this warning. See https://docs.docker.com/go/credential-store/ Login Succeeded