Difference between revisions of "Kubeadm kubernetes cluster Ubuntu 24.04"
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(Created page with "# Init ``` #!/bin/bash set -eu kubeadm_init(){ sudo apt update && sudo apt upgrade -y sudo apt install apt-transport-https curl -y sudo apt install containerd -y sudo...") |
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| − | # Init | + | # Kubeadm Cluster Scripts |
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| + | ## Init | ||
``` | ``` | ||
#!/bin/bash | #!/bin/bash | ||
Revision as of 18:35, 27 December 2024
Kubeadm Cluster Scripts
Init
#!/bin/bash
set -eu
kubeadm_init(){
sudo apt update && sudo apt upgrade -y
sudo apt install apt-transport-https curl -y
sudo apt install containerd -y
sudo mkdir -p /etc/containerd
containerd config default | sudo tee /etc/containerd/config.toml > /dev/null
sudo sed -i 's/SystemdCgroup = false/SystemdCgroup = true/' /etc/containerd/config.toml
sudo systemctl restart containerd
curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.30/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.30/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
sudo apt update
sudo apt install -y kubelet kubeadm kubectl
sudo apt-mark hold kubelet kubeadm kubectl
sudo swapoff -a
sudo sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab
sudo modprobe overlay
sudo modprobe br_netfilter
echo -e "br_netfilter\noverlay" | sudo tee /etc/modules-load.d/kubernetes-cni.conf
lsmod | grep overlay
lsmod | grep br_netfilter
cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-iptables = 1
net.bridge.bridge-nf-call-ip6tables = 1
net.ipv4.ip_forward = 1
EOF
sysctl --system
reboot
}
kubeadm_init