There are multiple types of communication in Amazon EKS environments. Lines of communication include the following: Interpod communication between containers Communication between pods on the… Read More »Types of communication in Amazon EKS
You can follow the steps below to install App Mesh on AWS EKS (Kubernetes). Step 1 – Prerequisites Step 2 – Add Helm Repo Step… Read More »How to Install App Mesh on AWS EKS
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… Read More »[Solved] Kubernetes Namespace stuck in Terminating state
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 happening… Read More »[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
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… Read More »How to Force a Redeploy 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… Read More »How to Restart a Deployment 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… Read More »How to Create a Horizontal Pod Autoscaler in 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… Read More »How to Run a Load Generator on 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… Read More »How to Deploy a Metrics Server in Kubernetes
eksctl dramatically simplifies the creation of AWS EKS clusters, by providing a simple command-line interface. Step 1 – Define a Cluster YAML You can either… Read More »How to create an AWS EKS cluster using eksctl
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… Read More »How to automatically generate a Manifests file in Kubernetes
If you need to sort a list of your pods by their CreationTimestamp, then do the following: A better way to specify the JSON path… Read More »How to Sort Pods by CreationTimestamp in Kubernetes
If you want to jump onto a particular Kubernetes Pod and run Bash within it, you can do so as follows: You can get the… Read More »How to Jump onto a Kubernetes Pod with Bash
If you would like to run shell commands inside of your Kubernetes cluster, then you can use the kubectl run command. What the syntax looks… Read More »How to run Shell Commands in a Kubernetes Cluster
Ever searched for kubectl update config from aws eks and needed a quick result? Step 1 – Validate AWS CLI Make sure that you have… Read More »How to Update Kubectl Config from AWS EKS
If you have received the following error while trying to issue commands to kubectl: Unable to connect to the server: dial tcp: lookup Then it… Read More »[Solved] Unable to connect to the server: dial tcp: lookup with AWS EKS
Once you have a Docker container, it is really simple to deploy it to Kubernetes. Generate a Deployment YAML kubectl provides a fantastic way to… Read More »How to Deploy a Docker Container to Kubernetes
Once you have a secret in Kubernetes, if you know it’s name, you can delete it. How to find the secret name You can get… Read More »How to Delete a Secret in Kubernetes
Secrets in Kubernetes are encoded using base64. If you have the secret name, you can ask for its value. If not, then learn how to… Read More »How to Decode a Secret in Kubernetes
You have created a secret, and would like to retrieve it. Get a list of all the secrets in Kubernetes This will result in: How… Read More »How to Verify a Secret in Kubernetes
Secrets allow applications to not hardcode usernames, passwords or additional information such as hostnames, IP addresses or other protected/sensitive information. Create a Secret in Kubernetes… Read More »How to Create a Secret in Kubernetes
Once you have deployed an application into Kubernetes, it will not be available to the outside world. For this to be possible, you need to… Read More »How to Expose your App through a Service in Kubernetes
If you find yourself needing to jump into a Kubernetes pod to either diagnose an issue, or run a particular command, you can use the… Read More »How to connect to Bash on a Kubernetes pod
If you need to list the environment variables in a Kubernetes pod, you can do the following. 1. Get the Pod name to query kubectl… Read More »How to get the Environment variables in a Kubernetes Pod
In Kubernetes, a cluster is a group of machines working together. By running the kubectl cluster-info command, we can find out high level information about… Read More »How to find out Cluster Info in Kubernetes