CKA- kubeadm

https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/install-kubeadm/

Installing kubeadm

 

 

 

1. 설치

cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
br_netfilter
EOF

cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
EOF

sudo sysctl --system

----------------------------------

sudo apt-get update
sudo apt-get install -y apt-transport-https ca-certificates curl

sudo mkdir -m 755 /etc/apt/keyrings

curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.29/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:/v1.29/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list

sudo apt-get update

# To see the new version labels
sudo apt-cache madison kubeadm

sudo apt-get install -y kubelet=1.29.0-1.1 kubeadm=1.29.0-1.1 kubectl=1.29.0-1.1

sudo apt-mark hold kubelet kubeadm kubectl

 

=> container runtime bridge traffic 설정 먼저 해주고 해야함 ! ---윗부분  + 버전확인하고 설치하기!

https://kubernetes.io/docs/setup/production-environment/container-runtimes/

 

2. control plane initialize

 

https://v1-29.docs.kubernetes.io/docs/setup/production-environment/tools/kubeadm/create-cluster-kubeadm/

Creating a cluster with kubeadm