[Kubernetes] 34. Software Version, Cluster Upgrade

v1.11.3

v[major].[minor].[patch]

 

alpha version:

beta version

major version: 

minor version: feature, functionalities

patch version: bug fixes

 

 

 

cat /etc/*release*


# 마스터노드 업그레이드
vi /etc/apt/sources.list.d/kubernetes.list
sudo apt update
sudo apt-cache madison kubeadm


sudo apt-mark unhold kubeadm && \
sudo apt-get update && sudo apt-get install -y kubeadm='1.31.0-1.1' && \
sudo apt-mark hold kubeadm

kubeadm version
sudo kubeadm upgrade plan


sudo apt-mark unhold kubelet kubectl && \
sudo apt-get update && sudo apt-get install -y kubelet='1.31.0-1.1' kubectl='1.31.0-1.1' && \
sudo apt-mark hold kubelet kubectl


sudo systemctl daemon-reload
sudo systemctl restart kubelet


kubectl version -short

===========================================================================

# 워커노드 업그레이드
vi /etc/apt/sources.list.d/kubernetes.list
sudo apt update
sudo apt-cache madison kubeadm


sudo kubeadm upgrade node


sudo apt-mark unhold kubelet kubectl && \
sudo apt-get update && sudo apt-get install -y kubelet='1.31.0-1.1' kubectl='1.31.0-1.1' && \
sudo apt-mark hold kubelet kubectl


sudo systemctl daemon-reload
sudo systemctl restart kubelet