apt update - y
apt upgrade -y
sudo swapoff -a
nano /etc/fstab
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.bridge.bridge-nf-call-ip6tables = 1
net.ipv4.ip_forward                 = 1
EOF

sudo sysctl -w net.ipv4.ip_forward=1
cat /proc/sys/net/ipv4/ip_forward
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 kubeadm kubelet kubectl
sudo apt-mark hold kubeadm kubelet kubectl
sudo apt-get install -y containerd
sudo mkdir /etc/containerd
containerd config default | sudo tee /etc/containerd/config.toml
nano /etc/containerd/config.toml

kubeadm config images pull
export KUBECONFIG=/etc/kubernetes/admin.conf
kubeadm init --pod-network-cidr=10.244.0.0/16
kubectl apply -f https://raw.githubusercontent.com/flannel-io/flannel/master/Documentation/kube-flannel.yml
mkdir -p $HOME/.kube
cp etc/kubernetes /admin.conf $HOME/.kube/config