Configure Kerberos
Kerberos is a network authentication protocol that provides security for your cluster. The Configure Kerberos page allows you to enable Kerberos for your cluster.
After selecting Enable kerberos for this cluster, install kerberos client libraries, according to your OS type, on all hosts before proceeding.
- RHEL/ CentOS
If Redhat IPA is used as the KDC,$ yum install krb5-workstation krb5-libs
yum install freeipa-client
- SUSE
If Redhat IPA is used as the KDC,zypper install krb5-client
zypper install freeipa-client
- Ubuntu
If Redhat IPA is used as the KDC,apt-get install krb5-user
apt-get install freeipa-client
Configure Datanode ports
Configure the privileged ports required by the datanodes in a secure HDFS service by selecting values for DataNode Transceiver Port and DataNode HTTP Web UI port.