Category Archives: Hadoop Cluster Installation

Hadoop Cluster : Run Command on ALL Nodes

Its usually tough to run a command on all nodes of a hadoop cluster. Here is a script to do that.. run_command !/bin/bash TPUT=’tput -T xterm-color’ txtund=$(${TPUT} sgr 0 1) # Underline txtbld=$(${TPUT} bold) # Bold txtrst=$(${TPUT} sgr0) # Reset … Continue reading

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Tips: Cluster Installation

For Ambari not to override configs: edit the file corr. to the service          /var/lib/ambari-agent/cache/stacks/HDP/2.0.6/services/YARN/package/templates/yarn-env.sh.j2  

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Hortonworks : Cluster Installation using Ambari 1.5.1 , CentOS 6.5 – Episode#3

Point your browser to http://{your.ambari.server}:8080. Log in to the Ambari Server using the default username/password: admin/admin The first step creates the cluster name. At the Welcome page, type a name for the cluster you want to create in the text … Continue reading

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Hortonworks : Cluster Installation using Ambari 1.5.1 , CentOS 6.5– Episode#2

Platform : CentOS 6.5 Log into the machine that is to serve as the Ambari Server as root Download the the Ambari repository file and copy it to your repos.d Use Ambari 1.5.1 wget http://public-repo-1.hortonworks.com/ambari/centos6/1.x/updates/1.5.1/ambari.repo cp ambari.repo /etc/yum.repos.d Confirm the … Continue reading

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Hortonworks : Cluster Installation using Ambari 1.5.1 , CentOS 6.5– Episode#1

Following are the preliminary steps that has to be performed in each individual machine before the cluster installation :- Set Up Password-less SSH Verify SSH installation The first step is to check whether SSH is installed on your nodes. We … Continue reading

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A Hadoop Cluster @Home using CentOS 6.5, Cloudera Manager 4.8.1 and Cloudera Parcels : EPISODE #3

Run the following commands to start the installation process chmod R 775 cloudera-manager-installer.bin ./ cloudera-manager-installer.bin Cloudera Manager screen would appear Click on the Next button. Accept the Cloudera Manager Free Edition License Accept the Oracle Binary Code License Agreement Then … Continue reading

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A Hadoop Cluster @Home using CentOS 6.5, Cloudera Manager 4.8.1 and Cloudera Parcels : EPISODE #2

 STEP 2 : Hadoop Cluster Installation : Getting your Virtual Machines  READY Cloudera Manager Supports : ◾Red Hat Enterprise Linux 5.7 and CentOS 5.7, 64-bit ◾Red Hat Enterprise Linux 6.2 and 6.4, and CentOS 6.2 and 6.4, 64-bit ◾Firefox 11 … Continue reading

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