Ubuntu에 kubernetes 1.19.15버전 설치

$ sudo apt update

$ sudo apt install -y apt-transport-https ca-certificates curl

$ sudo curl -fsSLo /usr/share/keyrings/kubernetes-archive-keyring.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg 

$ echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list

$ sudo apt-get update

$ sudo apt-get install -y kubelet=1.19.15-00 kubeadm=1.19.15-00 kubectl=1.19.15-00

#버전 고정

$ sudo apt-mark hold kubelet kubeadm kubectl