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Cloud outages – How to prepare
Although cloud services are known for their high availability, they are still bound to Murphy’s law: “Anything that can go wrong will go wrong”. So it’s not surprising that even the best cloud services...
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Migrate an EBS backed AWS AMI to a different EC2 Region
In the days when AMIs were S3 backed everything was in order. If you wanted to move an AMI to another region you just had to launch your favorite shell and execute a single command. Today, with EBS...
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Migrate an EBS backed AWS AMI to a different EC2 Region using a Perl Script
The first step will be the installation of the Perl distribution ActiveState. I chose ActiveState, because it is very easy to install and works well. However, it is a commercial distribution, but there...
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Is cloud computing and Green IT mutual exclusive?
Most people would intuitionally answer this question with no. But our gut feelings are sometimes completely off the real world. Luckily there are many studies available about this topic and we don’t...
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What is cloud computing?
In recent years, the term “cloud” has gotten more and more popular. Today, nearly everything is a cloud. But this term encompasses very different service models. The National Institute of Standards...
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How to set up the EC2 API Tools under Linux (Ubuntu 12.04 LTS)
This guide is based on a fresh Ubuntu 12.04 LTS installation. If you use another distribution or version, you might have to alter the commands in this post to match them to your environment. First you...
View ArticleAutomatically import your keys to all EC2 Regions
Here is a simple script which imports the specified Key Pair into each EC2 Region. key_pair_name=”my Key Pair name” public_key=$HOME/.ssh/id_rsa.pub regions=$(ec2-describe-regions | cut -f2) for region...
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Move an EBS backed AWS instance to another EC2 Region
There are many ways to move an instance to another region, you can find a list of the different possibilites here. With the new feature of inter region EBS copies, there is a new apporach availabe. You...
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Clean up AWS resources with Janitor Monkey
Back in the old days when you had to buy new hardware to set up a new server the uncontrolled growth of servers wasn’t a problem. But with the upcoming of virtualization it changed and the uncontrolled...
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A major benefit of cloud computing: cooperation and collaboration
Change in IT seems to be driven by technology. The role which the business plays in these changes is often neglected. But it plays a major part in the decision process. Architecture changes in IT are...
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