Add common script.

scripts/0-common.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+
+cat << "EOF"
+       _                          _   _             _                
+      (_)                        (_) | |           | |               
+       _    __ _    __ _   _ __   _  | |_        __| |   ___  __   __
+      | |  / _` |  / _` | | '__| | | | __|      / _` |  / _ \ \ \ / /
+      | | | (_| | | (_| | | |    | | | |_   _  | (_| | |  __/  \ V / 
+      | |  \__,_|  \__, | |_|    |_|  \__| (_)  \__,_|  \___|   \_/  
+     _/ |           __/ |                                            
+    |__/           |___/                                             
+                                                                      
+    Kubernetes Setup Script for All Nodes
+EOF
+
+
+# Set Kubernetes version
+K8S_VERSION="1.29.0-1.1"
+
+# Update package index and install dependencies
+sudo apt-get update
+sudo apt-get install -y apt-transport-https ca-certificates curl gnupg lsb-release
+
+# Disable swap
+sudo swapoff -a
+sudo sed -i '/ swap / s/^/#/' /etc/fstab
+
+# Configure kernel parameters
+cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
+overlay
+br_netfilter
+EOF
+
+sudo modprobe overlay
+sudo modprobe br_netfilter
+
+cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
+net.bridge.bridge-nf-call-iptables = 1
+net.ipv4.ip_forward = 1
+net.bridge.bridge-nf-call-ip6tables = 1
+EOF
+
+sudo sysctl --system
+
+# Add Kubernetes apt repository
+curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
+echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
+
+# Install kubeadm, kubelet, and kubectl
+sudo apt-get update
+sudo apt-get install -y kubelet=$K8S_VERSION kubeadm=$K8S_VERSION kubectl=$K8S_VERSION
+sudo apt-mark hold kubelet kubeadm kubectl