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Docker and Kubernetes for Java Developers by Jaroslaw Krochmalski

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Starting up clusters

To start the cluster and spin up all the necessary EC2 instances, you will need to execute the update command. It's recommended in the kops manual that you should do it first in the preview mode without the --yes switch. This will not spin up any EC2 instances:

$ kops update cluster ${NAME}   

If all is looking correct, execute the update command with the --yes switch:

$ kops update cluster ${NAME} --yes  

Your cluster is starting and should be ready in a few minutes. If you now log in into the WAS Management Console, you will see your EC2 instances starting up, as you can see in the following screenshot:

You can also check ...

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