K8-Setup.md

Setup K8-Cluster using kubeadm [K8 Version-->1.28.1]

1. Update System Packages [On Master & Worker Node]

sudo apt-get update

2. Install Docker[On Master & Worker Node]

sudo apt install docker.io -y
sudo chmod 666 /var/run/docker.sock

3. Install Required Dependencies for Kubernetes[On Master & Worker Node]

sudo apt-get install -y apt-transport-https ca-certificates curl gnupg
sudo mkdir -p -m 755 /etc/apt/keyrings

4. Add Kubernetes Repository and GPG Key[On Master & Worker Node]

curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.28/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:/v1.28/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list

5. Update Package List[On Master & Worker Node]

sudo apt update

6. Install Kubernetes Components[On Master & Worker Node]

sudo apt install -y kubeadm=1.28.1-1.1 kubelet=1.28.1-1.1 kubectl=1.28.1-1.1

7. Initialize Kubernetes Master Node [On MasterNode]

sudo kubeadm init --pod-network-cidr=10.244.0.0/16

8. Configure Kubernetes Cluster [On MasterNode]

mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config

9. Deploy Networking Solution (Calico) [On MasterNode]

kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml

10. Deploy Ingress Controller (NGINX) [On MasterNode]

kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v0.49.0/deploy/static/provider/baremetal/deploy.yaml