Quick intro As part of some cleanup on k8s cluster, I faced couple of issues related to deletion of few objects, mainly the NameSpace deletion. I was Googling for a solution and it took some time to get the proper…
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…
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…
How to update a Docker image with new changes?
Why we need to update an Image? ** Updated post ** 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…
[How to] Ways to monitor Prometheus exporters
How to monitor Prometheus exporters? Monitor application and node exporter, Prometheus. Python script to monitor Prometheus exporters from Prometheus servers. Different methods to monitor Prometheus exporters. API call to monitor remote Prometheus exporters A quick introduction to Prometheus Prometheus is an…
How to convert or concatenate integer with string variable in Python?
Convert int to str. Simple way to concatenate integer and string variables – Python. In some cases, you have to concatenate integer variables to string variables in your Python script. You can not do this by simply using the (+) sign. In…