Created
September 7, 2024 11:31
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| #!/bin/bash | |
| sudo swapoff -a | |
| # Enable IPv4 packet forwarding | |
| # sysctl params required by setup, params persist across reboots | |
| cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf | |
| net.ipv4.ip_forward = 1 | |
| EOF | |
| # Apply sysctl params without reboot | |
| sudo sysctl --system | |
| # Installing Containerd runtime using Docker repository. | |
| # Add Docker's official GPG key: | |
| sudo apt-get update | |
| sudo apt-get install ca-certificates curl -y | |
| sudo install -m 0755 -d /etc/apt/keyrings | |
| sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc | |
| sudo chmod a+r /etc/apt/keyrings/docker.asc | |
| # Add the repository to Apt sources: | |
| echo \ | |
| "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \ | |
| $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \ | |
| sudo tee /etc/apt/sources.list.d/docker.list > /dev/null | |
| sudo apt-get update | |
| sudo apt-get install containerd.io -y | |
| containerd config default > /etc/containerd/config.toml | |
| sed -i 's/SystemdCgroup = false/SystemdCgroup = true/' /etc/containerd/config.toml | |
| sudo systemctl restart containerd | |
| # Update the apt package index and install packages needed to use the Kubernetes apt repository: | |
| sudo apt-get update | |
| # apt-transport-https may be a dummy package; if so, you can skip that package | |
| sudo apt-get install -y apt-transport-https ca-certificates curl gpg | |
| # Download the public signing key for the Kubernetes package repositories. The same signing key is used for all repositories so you can disregard the version in the URL | |
| # If the directory `/etc/apt/keyrings` does not exist, it should be created before the curl command, read the note below. | |
| # sudo mkdir -p -m 755 /etc/apt/keyrings | |
| curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.31/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg | |
| # This overwrites any existing configuration in /etc/apt/sources.list.d/kubernetes.list | |
| echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.31/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list | |
| # Update the apt package index, install kubelet, kubeadm and kubectl, and pin their version | |
| sudo apt-get update | |
| sudo apt-get install -y kubelet kubeadm kubectl | |
| sudo apt-mark hold kubelet kubeadm kubectl | |
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