Who needs a Zookeeper?
ZooKepper is a configuration management system for the Uberpopular web servicer, Apache.
Setting it up in Cent/OS 7
Update the YUM repo configuration to know where the zookeeper rpm is located.
yum install https://archive.cloudera.com/cdh5/one-click-install/redhat/7/x86_64/cloudera-cdh-5-0.x86_64.rpm