Kinit on the DataNodes
This topic describes kinit on the DataNodes.
On the DataNodes, run:
# kinit -kt /etc/security/keytabs/dn.service.keytab
dn/DN_HOSTNAME@REALM_NAME.
where,
- DN_HOSTNAME is the DataNode host name (FQDN).
- REALM_NAME is the KDC Realm.
- dn is the Kerberos DataNode naming convention created during Kerberos setup.
For example: kinit -kt /etc/security/keytabs/dn.service.keytab
dn/c902f05x01.gpfs.net@IBM.COM.
If in a non-root environment, ensure that you run this command with sudo privilege.