Hadoop Tutorial 4: Start an EC2 Instance

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Revision as of 16:12, 19 March 2010 by Thiebaut (talk | contribs) (→‎Steps)
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Creating an EC2 Instance refers to the action of starting a server on Amazon using one's credential, and then connecting to it using ssh.



Method #1: Using the AWS Console

Steps

The steps are fairly simple:

  • Connect to the AWS console, and then select Amazon EC2
  • Click on Launch Instance
  • When the instance is created, right click on it and click on Connect

ConnectToInstanceOnEC2.png

  • Copy/Paste the ssh command into a shell that you will have started
 ssh -i dft.pem root@ec2-174-129-165-180.compute-1.amazonaws.com
  • Make sure you have downloaded a private key file to your .ssh directory first. This is done by
    • Selecting your account
    • clicking on Credentials
    • selecting the X.509 certificate tab
    • and clicking on Create New. A page will open allowing you to download your pem files. One will be the private key, of the form pk-WMxxxxxxxxxx.pem, the other the certicifcate, of the form cert-WMxxxxxxxxxx.pem. Both should be put in your .ssh dirctory.

Method #2: Using the EC2 Tools

Steps

  • Download the EC2 Tools
  • install them in ~/bin/ec2-api-tools
  • Download the pem files containing your private key and certificate from the Amazon EC2 page (see step above)
  • Modify your .bash_profile file and set several variables:


PATH=$PATH:/Users/thiebaut/bin/ec2-api-tools/bin

# Amazon AWS/EC2 tools 
export EC2_HOME=/Users/thiebaut/bin/ec2-api-tools
export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Home
export EC2_PRIVATE_KEY=~/.ssh/pk-WMW2M4ZVFMCZJXSXJN4D7ZS4RMTBJ7VV.pem
export EC2_CERT=~/.ssh/cert-WMW2M4ZVFMCZJXSXJN4D7ZS4RMTBJ7VV.pem
  • Source the .bash_profile file
source .bash_profile
  • Test the ec2 tools:
ec2-describe-images -a | grep hadoop-ec2-images
  • verify that a list of images is printed out.
IMAGE	ami-ee53b687	hadoop-ec2-images/hadoop-0.17.0-i386.manifest.xml	111560892610	available	public

i386 machine aki-a71cf9ce ari-a51cf9cc instance-store 

IMAGE	ami-f853b691	hadoop-ec2-images/hadoop-0.17.0-x86_64.manifest.xml	111560892610	available	public

x86_64 machine aki-b51cf9dc ari-b31cf9da instance-store








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