Ubuntu – Kubernetes install

• Update the apt package index and install packages needed to use the Kubernetes apt repository:

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

• Download the Google Cloud public signing key:

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

• Add the Kubernetes apt repository:

 $ 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

• Update apt package index with the new repository and install kubectl:

sudo apt-get update sudo apt-get install -y kubectl

SOURCE: LINK