Continuing with the volume created in the post Sharing EBS Volumes Among Instances, in this post I show how to create a snapshot, create a new volume from that snapshot, and mount the new volume in an instance. Remember that the volume created in the previous post contained 1 file called “readme”.
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In this post I share an experiment to create an EBS volume, to attach it to an EC2 instance, to mount it in the instance, to put a file on it, to unmount it, and to detach it. Afterwards the volume will be mounted in another instance (while the first instance has been terminated, because attaching volumes to different instances at the same time is impossibe).
Section “Setting up the Tools” of the Amazon EC2 Getting Started Guide explains how to set up environment variables, so that the EC2 tools find themselves (EC2_HOME), Java ($JAVA_HOME), the private access key file (EC2_PRVATE_KEY) and the certificate file (EC2_CERT). And they also suggest to change the PATH variable, so that you can run EC2 commands from anywhere.
In order to experiment with Amazon Web Services, I requested an AWS account and I installed a bunch of software to get started. Here is an overview of what I did to get up and running.
I filled in the registration form to request a new AWS account. Then I followed the excellent Getting Started Guide. It explains how to set up an account, how to install the EC2 tools, how to run an instance, and how to create your own image starting from an existing one. I immediately felt the power to EC2.