Bash

Hey everyone, recently I developed quite an interest in Bash so I’ve been trying to learn it. Unlike other things, this time it wasn’t much-structured learning rather just some random tidbits I picked on here and there. In this post I’ll share those things so that together we can demystify this fancy language. Also, some things might just be about Linux in general rather than bash specific. #!/bin/bash You might have seen that a lot of bash scripts begin with #!/bin/bash. So what exactly is this? ...

Kubernetes relies on Probes to determine the health of a Pod container. A probe can be understood simply as a periodical diagnostic performed by the kubelet on the container. In this short article, I’m going to show you a liveness probe in action. Liveness probes are used to check if a Pod is healthy (running as expected) or not. It simply acts as a check for Kubernetes to know when it should restart the container. ...

I recently learned about kubectl port-forward and kubectl exec, and I was amazed by what simple but cool stuff you could o with just these two commands when getting started with Kubernetes. So that’s what this post is going to be about. Running Our Pod I’m going to use minikube to launch my cluster but feel free to use whatever you like. Once you have your cluster up and running (using minikube start), create a nginx pod using: ...