Export Hbase tables from HDP 2.6 to CDP 7.1
In this post I will describe my journey during a migration from Hortonworks HDP 2.6 to Cloudera CDP 7.1. I have to export the Hbase tables from an old and less secure cluster to a more recent and secure cluster. The application that used the Hbase tables can’t stop for a long time and have…
Restoring Kerberos Master Key in OpenLdap
One of the classic architecture when using a Kerberos KDC and OpenLdap is to store the KDC database in OpenLdap backend.You can find a procedure to do that on the MIT Kerberos documentation site The advantage of storing your KDC in OpenLdap backend is to take advantage of the OpenLdap replication process that is easy…
Adding custom metrics in Ambari Metrics
In this article I will show you how to add custom metrics in the Hortonworks Ambari Metrics for following Zookeeper health with Grafana.
SSL/TLS – Certificates and keystore commands
Commands for managing certificates, private keys and keystores Useful to create, change password, remove passphrase, etc…
