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Set Up Password-less SSH
About This Task Steps About This Task To have Ambari Server automatically install Ambari Agents on all your cluster hosts, you must set up password-less SSH connections between... -
Types of Classes
JDO provides a means of transparent persistence of objects of user defined classes. With JDO there are actually 3 types of classes. Persistence Capable classes are classes whose... -
Accumulo Shell
Basic Administration Table Maintenance User Administration Accumulo provides a simple shell that can be used to examine the contents and configuration settings of tables, inser... -
Collections
_.at(collection [, index1, index2, …]) Arguments Returns Example _.contains(collection, target [, fromIndex=0]) Aliases Arguments Returns Example _.countBy(collection [, c... -
4.19 Put together all code in the appendix (*)
Unless the target readers are highly interested in the computational details while they read a report, you may not want to show the source code blocks in the report. For this purp... -
Schemas
Iceberg tables support the following types: Type Description Notes boolean True or false int 32-bit signed integers Can promote to long long 64-bit s... -
Prepare the Environment
To deploy your Hortonworks stack using Ambari, you need to prepare your deployment environment: Set Up Password-less SSH Set Up Service User Accounts Enable NTP on the Cluster... -
Install, Start and Test
Next Step The progress of the install displays on the screen. Ambari installs, starts, and runs a simple test on each component. Overall status of the process displays in progres... -
2. Using a Local Repository
If your enterprise clusters have limited outbound Internet access, you should consider using a local repository, which enables you to benefit from more governance and better insta... -
Using a local RedHat Satellite or Spacewalk repository
Next Step Many Ambari users use RedHat Satellite or Spacewalk to manage Operating System repositories in their cluster. The general process to configure Ambari to work with your ...
