prep a grid vm for k8s

prep-k8s-vm.sh

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+#/bin/bash
+apt update
+# install ops tools
+apt install sudo nmon tmux tcpdump nano iputils-ping -y
+
+# install Docker + docker-compose
+apt install apt-transport-https ca-certificates curl gnupg software-properties-common lsb-release -y
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
+echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
+apt update
+apt install docker-ce docker-ce-cli containerd.io -y
+systemctl start docker
+
+# set TF users
+wget https://docs.grid.tf/threefold_public/public/raw/branch/master/add-tf-users.sh
+sh add-tf-users.sh
+
+# set propper sshd config
+wget https://docs.grid.tf/threefold_public/public/raw/branch/master/sshd_config
+cp sshd_config /etc/ssh/
+
+# Install k8s stuff
+apt update && apt install -y apt-transport-https curl
+curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
+cat <<EOF | tee /etc/apt/sources.list.d/kubernetes.list
+deb https://apt.kubernetes.io/ kubernetes-xenial main
+EOF
+apt update
+apt install -y kubelet kubeadm kubectl
+apt-mark hold kubelet kubeadm kubectl
+swapoff -a