==> Dependency package issue required to set CentOS iso image to be mounted on repository server, and update the repo file, it required during the installation - yum install hadoop hadoop-hdfs hadoop-libhdfs hadoop-yarn hadoop-mapreduce hadoop-client openssl -mount -o loop /<CentOS iso file> /<mount directory> -Update the /etc/yum.repo.d/<CentOS.repo> file -yum repolist repolist show up with-out any issue, then re-try installation. ... View more