Author: robin

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hosts file location

Location of hosts files on Windows and Unix Operating system Windows > %systemroot%\system32\drivers\etc\hosts Unix $ /etc/hosts Format <ip-1>    <host-1> <host-2> <ip-2>    <host-3> <ip-3>    <host-4> Related posts: Crontab quick reference

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Thunderbird – Automatically load images

This will make your thunderbird to automatically load images within emails, what you need to do is – Click “Menu” -> “Thunderbird preferences” -> “Advanced” -> “General” -> “Config Editor…” -> “Search: ‘mailnews.message_display.disable_remote_image’” -> Set to false (double click toggle)...

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Installing fonts in your home directory on Fedora

Source: http://tacticalvim.wordpress.com/2010/01/17/installing-fonts-in-your-home-directory-on-fedora-12/ installing fonts in your home directory on Fedora 12 Font installation/usage in Fedora has come a long way over the years, it’s easier than ever to just drop some TrueType fonts onto your system especially if you only care...

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How to install Eclipse on Ubuntu for all users

Source: http://askubuntu.com/questions/26632/how-to-install-eclipse/219974#219974   How to install Eclipse 4.2 on Ubuntu 12.04 for all users Since the Eclipse packages in the Ubuntu repositories are out of date, if we want to install latest releases, we are going to have to do...

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YARN – Overview

Source: http://pivotalhd.cfapps.io/introduction/yarn.html YARN Overview Apache Hadoop has two main components: Distributed Storage Distributed computation The distributed storage is provided by the HDFS, and the MapReduce provides the distributed computation. About YARN YARN (Yet-Another-Resource-Negotiator) is the next-generation Hadoop data-processing framework. YARN...

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CPU Governors explained

Source: http://forum.xda-developers.com/showthread.php?t=1663809   Android CPU governors explained What is a governor? A governor is a driver for the regulation of CPUFreq – CPU frequency. As the name suggests, we, the Governor of the decision, when at full capacity, the MaxFreq...

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Remotely debug hadoop

Source: http://www.gluster.org/2013/07/deep-dive-into-hadoop-with-bigtop-and-eclipse-remote-debuggers/ Deep dive into Hadoop with Bigtop and Eclipse Remote Debuggers Thanks to a little hack session with bradley childs over at Red Hat this week, I learned a new trick: Remote debugging of JVM (Hadoop + MR2) apps in...

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mapred Vs. mapreduce

mapred Vs. mapreduce Resources http://stackoverflow.com/questions/7598422/is-it-better-to-use-the-mapred-or-the-mapreduce-package-to-create-a-hadoop-job http://stackoverflow.com/questions/10986633/hadoop-configuration-mapred-vs-mapreduce http://www.slideshare.net/sh1mmer/upgrading-to-the-new-map-reduce-api Related posts: Remotely debug hadoop Creating Hive tables on compressed files Hadoop Hive UDTF Tutorial – Extending Apache Hive with Table Functions ​DistCp Between HA Clusters

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Sample test data generators

Resources http://www.webresourcesdepot.com/test-sample-data-generators/ http://databene.org/databene-benerator/similar-products.html Tools GenerateData GenerateData is a free, open source script written in JavaScript, PHP and MySQL that lets you quickly generate large volumes of custom data in a variety of formats for use in testing software, populating databases....

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Debug Hadoop source code using an Intellij Idea

Source: http://www.techbite.in/2013/05/debug-hadoop-source-code-using.html If you are someone who wants to dive into Hadoop source code and get a feel of the implementation details of all the abstracted out nitty-gritties of Hadoop’s architectural overview, and want to get your hands dirty by...