Sometimes we wonder, why we pay this much amount to the Cloud provider/s. While building the infrastructure, TCO is one of the critical factor. TCO means, Total Cost of Ownership. We need to do a lot of things to maintain…
DevOps Hacks!
PromQL Wildcard Examples
Why this post? If you have Prometheus cluster as your central metrics platform for your servers and the applications, you might came across situations like, have to write custom queries for fetching the data from Prometheus or for creating custom…
Fetch Kubernetes node details for quick analysis of your worker nodes
What we are discussing on this blog? Hey, this is not a big thing, however, sometimes it will help a lot on troubleshooting or understand the worker configurations without logging into the AWS console. You can use the kubectl CLI…
How to fix – Kubernetes objects stuck in terminating state?
Namespace deletion is in stuck state + kubernetes ; kubernetes objects deletion is in stuck state how to delete it forcefully? How to remove finalizers manually to unblock namespace deletion? Quick intro As part of some cleanup on k8s cluster,…
How to update a Docker image with new changes?
Why we need to update an Image? How to update a Docker image with the new changes that we made in the container? Yeah, we all know that, the Docker image is the core part of your Docker container. The…
Monitoring Kubernetes cluster using Prometheus and Grafana
Prometheus is really trending. It is the second largest project in CNCF. It’s much familiar because of its wide use cases and the simplicity in operations. We have one sub category for the Prometheus, if you guys are interested please…
Kubernetes CNI, short explanations
We are familiar about the Kubernetes (k8s) orchestration tool. Kubernetes is one of the most popular orchestration tool that currently use to deploy containerised workloads. K8s clusters can scale from single node to thousands os nodes. Wide verities of Kubernetes…