Big Data on Amazon: Elastic MapReduce, step by step

Big Data on Amazon: Elastic MapReduce, step by step

Summary: Curious how to go about doing Hadoop in Amazon's cloud? Here's some guidance.

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TOPICS: Big Data
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  • Instances screen

    In the instances screen, select your instance from the top grid.  As soon as you do, details about your instance appear below.  One such detail is the instance's Internet host name, which you can select and copy.  Once the status of your instance is "running," you're ready to connect to the cluster and start using it.

  • Enter host name

    If you're on Windows, you'll want to download, install and then run PuTTY, the de facto SSH (Secure SHell) client for that OS.  Once it's running, paste your instance's host name into the Host Name field in the PuTTY Configuration screen.

  • Private key file

    Rememeber that key file you selected when you configured your job flow?  Now you need to select its private key file in PuTTY's SSH authentication screen.  Select Connection\SSH\Auth from the Category tree view control on the left, then click the Browse button and navigate to the file.

    The file will need to be in PPK format, conversion to which can be performed by the PuTTYgen utility that accompanies PuTTY, as described in the EMR CLI instructions.  After you've selected the file, click Open to begin your SSH session with your EMR cluster.

Topic: Big Data

Andrew Brust

About Andrew Brust

Andrew J. Brust has worked in the software industry for 25 years as a developer, consultant, entrepreneur and CTO, specializing in application development, databases and business intelligence technology.

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