by Diego Calvo | Oct 11, 2018 | Big Data, Trick
Change the password in a simple way To change the password in simple form in hortonworks, just: Access by SSH Access by SSH to the machine, by default the credentials Are: (user: root, key: hadoop) To do this you can use WinSCP, Firecilla, putty,… Use the... by Diego Calvo | Jul 5, 2018 | Trick
Big Data application and resource managers Hadoop Map-Reduce is a distributed resource manager and data processing. Provides a scheduling infrastructure that provides algorithms for performing the distributed calculations. YARN is an operating data system and... by Diego Calvo | Jul 5, 2018 | Trick
Security Tools Apache Ranger is a framework to enable, monitor and manage comprehensive data security across the Hadoop platform. Apache Sentry is a system for applying functionality-based authorization of fine granularity to data and metadata stored in a Hadoop...