merge

kubernetes installation:

install the latest version;
curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"

validate the binary with the following command

curl -LO "https://dl.k8s.io/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl.sha256"
if it's valid , an 'OK' output will be shown.

kubectl installation

sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl

check the install version ,
kubectl version --client

hope it works for you :)

@devopsdesk if your issue has been resolved u can close this issue.