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Go to the "AMIs" area in the console.
We are going to launch ami-06dd226f92d926fb. Filter by "Public Images" and "CentOS" using the drop-downs, type "ami-06dd226f92d926fb" into the text box and hit 'Refresh'. It may take a few seconds to give you a list.
Select the one called "405596411149/centos-5.6-x86_64-pegasus-cloud-tutorial" and click "Launch".
A launch wizard will pop up.
Select the number of instances (1), and instance type (m1.large), then "Continue".
On the "Advanced Instance Options" page add the following to "User Data" and hit "Continue" (note: host.example.com should be replaced with your submit host):

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ALSO IMPORTANT: The "User Data" is how you tell the image what to do. This will be copied directly into the Condor configuration file. You can define any extra configuration values you like, but you must specify at least CONDOR_HOST.

7. Log into

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the node

This is how you SSH to a node you launched.

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VERY IMPORTANT: Make sure you log in ssh from your submit host otherwise this won't work because the security group does will not match.

8. Check your submit host

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This tutorial only shows you how to set up a single worker node. In order to scale-up your workflows you will need to either a) set up a shared file system such as NFS on EC2, or b) configure Pegasus to use Condor file transfers for each job.