https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=kubeadm-bin
    source_x86_64=(
      'https://packages.cloud.google.com/apt/pool/kubeadm_1.10.0-00_amd64_ea6b408af5de27ae3df9a1f96724067104998608b64869fee2c680ea9f9c000d.deb'
    )

https://kubernetes.io/docs/setup/independent/install-kubeadm/
    https://storage.googleapis.com/kubernetes-release/release/${RELEASE}/bin/linux/amd64/{kubeadm,kubelet,kubectl}

AUR
kubeadm-bin (kubeadm-git)
    /usr/bin/kubeadm
    /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
kubectl-bin
    /usr/bin/kubectl
kubelet-bin
    /usr/bin/kubelet
    /lib/systemd/system/kubelet.service
kubernetes-cni-bin
    /opt/cni/bin/*
crictl-bin
    /etc/crictl.yaml
    /usr/bin/crictl 

aur
    ebtables
    socat
        http://www.dest-unreach.org/socat/

apt
    apt-transport-https
    curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add
    sudo apt-add-repository "deb http://apt.kubernetes.io/ kubernetes-xenial main"
    sudo apt install kubeadm kubelet kubectl kubernetes-cni

2020
https://linuxconfig.org/how-to-install-kubernetes-on-ubuntu-20-04-focal-fossa-linux