https://github.com/confluentinc/cli
    sudo rpm --import https://packages.confluent.io/confluent-cli/rpm/archive.key
    sudo yum install yum-utils
    sudo yum-config-manager --add-repo https://packages.confluent.io/confluent-cli/rpm/confluent-cli.repo
    # sudo yum clean all && sudo yum install confluent-cli
    sudo yum install confluent-cli