Disclaimer I have published this post on my work blog https://reece.tech previously. Overview Eksctl acts as a wrapper around CloudFormation templates. Creating a cluster will add one stack for the control plane (EKS master servers) and one stack for each node group configured (a node group is a group of workers using the same networking and sizing as well as IAM permissions). However, certain actions such as upgrading the Kubernetes master or worker version or scaling out the number of workers in a node group does not always update the CF stacks associated with it. Preparation Download and install the latest version of eksctl. Follow the Weaveworks installation guide: https://eksctl.io/introduction/installation/ . Download eksctl (Linux) curl --silent --location "https://github.com/weaveworks/eksctl/releases/download/latest_release/eksctl_$(uname -s)_amd64.tar.gz" | tar xz -C /tmp Install eksctl (Linux) sudo mv /tmp/eksctl /usr/local/bin Provide AWS credentials Ensure th
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