# curl -O https://kojipkgs.fedoraproject.org//packages/kubernetes/1.7.3/1.fc26/x86_64/kubernetes-1.7.3-1.fc26.x86_64.rpm && curl -O https://kojipkgs.fedoraproject.org//packages/kubernetes/1.7.3/1.fc26/x86_64/kubernetes-client-1.7.3-1.fc26.x86_64.rpm && curl -O https://kojipkgs.fedoraproject.org//packages/kubernetes/1.7.3/1.fc26/x86_64/kubernetes-master-1.7.3-1.fc26.x86_64.rpm && curl -O https://kojipkgs.fedoraproject.org//packages/kubernetes/1.7.3/1.fc26/x86_64/kubernetes-node-1.7.3-1.fc26.x86_64.rpm
# rpm-ostree ex override replace kubernetes-* -r
Follow the rest of the steps at https://fedoraproject.org/wiki/User:Jasonbrooks/QA/AtomicTests/Install_Kubeadm