[Solved] Kubernetes Namespace stuck in Terminating state
If you have tried to delete a Kubernetes namespace, and it has been hanging in ‘deleting’ for hours on end, it’s likely that you have …
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[Solved] Error creating: pods “my-service-a-xxx” is forbidden: error looking up service account my-apps/my-service-a: serviceaccount “my-service-a” not found
So you’ve run a deployment and tried to check the pods and there’s nothing there!
kubectl get pods
Next step is to see what’s …
Read Article →[Solved] error: src refspec main does not match any
If you get the following error:
error: src refspec main does not match any
error: failed to push some refs to 'https://github.com/ao/xxx.git' …How to Force a Redeploy in Kubernetes
If you need to force a redeploy of a deployment in Kubernetes, then you can use the rollout feature.
You may have an image that has been updated, but …
Read Article →How to Restart a Deployment in Kubernetes
If you need to restart a deployment in Kubernetes, perhaps because you would like to force a cycle of pods, then you can do the following:
Step 1 – …
Read Article →How to push multiple Dockerfile apps to AWS ECR at the same time
I have a parent directory containing multiple sub-directories. Each of these child directories is a different application and contains a Dockerfile.
I …
Read Article →How to Create a Horizontal Pod Autoscaler in Kubernetes
If you could like to a create a Horizontal Pod Autoscaler (hpa) in Kubernetes, then you could run the following:
Step 1 – Create a Deployment
If you …
Read Article →How to Run a Load Generator on Kubernetes
If you would like to test hpa, Horizontal Pod Autoscaling, or throw some chaos at a specific deployment in Kubernetes, then you could run a Load …
How to Deploy a Metrics Server in Kubernetes
If you would like to deploy a Metrics Server in Kubernetes, then you first need to create a namespace for it to live it, followed by installing the …
Read Article →How to create an AWS EKS cluster using eksctl
eksctl dramatically simplifies the creation of AWS EKS clusters, by providing a simple command-line interface.
Step 1 – Define a Cluster YAML
You can …
Read Article →How to Dockerize a Flask App
If you have a Flask app that you would like packaged in a Docker container, then you can do the following. The steps outlined below will help you …
Read Article →How to get an EKS Cluster name from an AWS Region
You can use the aws cli to get the EKS cluster name, parse the first result and return it into a variable.
EKS_CLUSTER_NAME=$(aws eks list-clusters …