62 lines
2.0 KiB
Bash
Executable File
62 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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cat << "EOF"
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_ _ _ _
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(_) (_) | | | |
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_ __ _ __ _ _ __ _ | |_ __| | ___ __ __
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| | / _` | / _` | | '__| | | | __| / _` | / _ \ \ \ / /
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| | | (_| | | (_| | | | | | | |_ _ | (_| | | __/ \ V /
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| | \__,_| \__, | |_| |_| \__| (_) \__,_| \___| \_/
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_/ | __/ |
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|__/ |___/
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Kubernetes Setup Script for All Nodes (including Master Node)
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EOF
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# Set Kubernetes version
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# K8S_VERSION="1.30"
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sudo mkdir -p /etc/apt/keyrings
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# Update package index and install dependencies
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sudo apt-get update -y
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sudo apt-get install -y apt-transport-https ca-certificates curl gnupg lsb-release
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# Disable swap
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sudo swapoff -a
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sudo sed -i '/ swap / s/^/#/' /etc/fstab
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# Configure kernel parameters
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cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
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overlay
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br_netfilter
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EOF
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sudo modprobe overlay
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sudo modprobe br_netfilter
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cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
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net.bridge.bridge-nf-call-iptables = 1
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net.ipv4.ip_forward = 1
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net.bridge.bridge-nf-call-ip6tables = 1
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EOF
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sudo sysctl --system
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# Add Kubernetes apt repository
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curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.30/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
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sudo chmod 644 /etc/apt/keyrings/kubernetes-apt-keyring.gpg
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echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.30/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
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sudo chmod 644 /etc/apt/sources.list.d/kubernetes.list
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# Install kubeadm, kubelet, and kubectl
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sudo apt-get update -y
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sudo apt-get install -y kubelet kubeadm kubectl
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sudo apt-get update -y
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sudo apt-mark hold kubelet kubeadm kubectl |