You should be redirected automatically to target URL: https://repo.ito.gov.ir/kubernetes/yum/repos/kubernetes-el7-x86_64/Packages/542252f491adf3c73c637ca65be9cd488adfc642648b2dd45cfa9d11150f38a8-kubectl-1.17.5-0.x86_64.rpm. If not click the link.