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Archive for February 2017

How to install pip and python packages in CentOS

By default all Linux machines comes with Python. So if you want pip to install Python packages, follow below steps 1. Login to Linux ter...

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hadoop ( 12 ) RHEL ( 9 ) cent os ( 7 ) cdh ( 6 ) pyspark ( 4 ) spark ( 4 ) python ( 3 ) kafka ( 2 ) linux ( 2 ) hive ( 1 ) hue ( 1 ) java ( 1 ) mapreduce ( 1 ) rhel 7.2 ( 1 ) sqoop2 ( 1 )

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CDH: Failed to detect root privileges

Here in this post i am explaining about How to fix "Failed to detect root privileges" while installing CDH Solution: You n...
How to mount HDFS in Linux (FUSE)

1. Mounting HDFS as FUSE FUSE (Filesystem in userspace) is a simple interface for userspace programs to export a virtual filesyst...
Zookeeper not starting "org.apache.zookeeper.server.quorum.QuorumPeer Unable to load database on disk "

You will find below error messages in zookeeper logs Solution: 1. Shutdown the Zookeeper service if it is runni...
CDH 5.5.2 installation on RHEL/Cent OS 7.1 using parcels

Here in this post i am going to explain about "How to setup CDH 5.5.2 on RHEL/Cent OS 7.1 using parcels" or "CDH offline ins...
Read ORC data from Spark

Officially ORC formatted data is not supported and well implemented in Spark 2.4.x. So if you want to access ORC data from Spark, use below ...

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