https://dl.k8s.io/release/v1.19.14/bin/linux/amd64/kubectl https://get.helm.sh/helm-v3.6.3-linux-amd64.tar.gz https://github.com/chartmuseum/helm-push/releases/download/v0.9.0/helm-push_0.9.0_linux_amd64.tar.gz https://github.com/rancher/rke/releases/download/v1.3.0/rke_linux-amd64 https://charts.jetstack.io/charts/cert-manager-v1.5.4.tgz https://github.com/jetstack/cert-manager/releases/download/v1.6.1/cmctl-linux-amd64.tar.gz