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k8s/k8s_001.sh

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+apt update
+apt upgrade -y
+apt install apt-transport-https qemu-guest-agent -y
+systemctl enable --now qemu-guest-agent
+
+# https://kubernetes.io/docs/tasks/tools/install-kubectl-linux/
+# version 1.32
+
+curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.32/deb/Release.key | gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
+chmod 644 /etc/apt/keyrings/kubernetes-apt-keyring.gpg
+  
+echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.32/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
+chmod 644 /etc/apt/sources.list.d/kubernetes.list
+  
+apt update
+apt install kubelet kubeadm kubectl -y
+apt-mark hold kubelet kubeadm kubectl
+ 
+
+# Enable kernel modules
+modprobe overlay
+modprobe br_netfilter
+
+# Add some settings to sysctl
+tee /etc/sysctl.d/kubernetes.conf<<EOF
+net.bridge.bridge-nf-call-ip6tables = 1
+net.bridge.bridge-nf-call-iptables = 1
+net.ipv4.ip_forward = 1
+EOF
+
+# Reload sysctl
+sysctl --system
+
+# Configure persistent loading of modules
+tee /etc/modules-load.d/containerd.conf <<EOF
+overlay
+br_netfilter
+EOF
+
+# Install required packages
+apt install -y curl gnupg2 software-properties-common apt-transport-https ca-certificates
+
+# Add Docker repo
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/trusted.gpg.d/docker-archive-keyring.gpg
+
+add-apt-repository -y "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+
+# Install containerd
+apt update
+DEBIAN_FRONTEND=noninteractive apt install -y containerd.io
+
+# Configure containerd and start service
+mkdir -p /etc/containerd
+containerd config default|sudo tee /etc/containerd/config.toml
+
+# restart containerd
+systemctl restart containerd
+systemctl enable containerd
+systemctl status  containerd