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:
Technical Articles
In-depth guides, insights, and best practices for modern software engineering
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 …How to automatically generate a Manifests file in Kubernetes
If you want to automatically generate a manifest file in Kubernetes, you can do so by using the kubectl run command coupled with a --dry-run to output …
How to Sort Pods by CreationTimestamp in Kubernetes
If you need to sort a list of your pods by their CreationTimestamp, then do the following:
kubectl get pods -n kube-system …How to Jump onto a Kubernetes Pod with Bash
If you want to jump onto a particular Kubernetes Pod and run Bash within it, you can do so as follows:
kubectl exec -ti <pod_name> /bin/bash
You …
Read Article →How to run Shell Commands in a Kubernetes Cluster
If you would like to run shell commands inside of your Kubernetes cluster, then you can use the kubectl run command.