Let us understand few details about Encryption, enable encryption and then how we can create encrypted zones in HDFS. When we say Data Encryption we are actually talking about business data that is stored in HDFS. This is different from log and query redaction. Data encryption is mandatory for many government, financial, and regulatory entities, …
As we have setup centralized local yum repository server on first node, now we have to copy repo files pointing to local yum repository server on all the nodes in the cluster. We will only setup on first 7 servers as the last one is reserved for the task where we will see the process …
Handling Personally identifiable information like credit card numbers, passport numbers data is very important for the enterprises. Cloudera introduced a feature called Sensitive Data Redaction from version 5.4.0 to manage the sensitive information in HDFS. E.g.: Sensitive Data Redaction will get credit-card numbers out of log files and SQL queries. In Cloudera Manager there are …
We have already seen how to setup Hue, create users and groups in Hue. Click here to revise details with respect to Hue.
Let us see the details about how to install and configure sentry. Sentry service is an RPC server that stores authorization metadata in an underlying relational database. It provides RPC interfaces to retrieve and manipulate privileges. We can integrate with Kerberos for Security. The service serves authorization metadata from the database backed storage; it does …
Let us create local repository for CDH5, it contain packages related to HDFS, YARN, Spark etc. Download cloudera-cdh5.repo Run reposync to copy RPMs locally Make sure RPMs are in the location that is being served by baseurl in repo file Go to the baseurl and run createrepo so that repodata directory is created Go to …
