I got a 6 node "cluster" set up following this guide on the one computer.
this post was submitted on 24 Nov 2023
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The hardware doesn't matter. Something with 2 cores and 4GB of RAM is enough to run a k8s lab.
I just ordered 2 beelink SER5 Max and thinking to keep it as a worker nodes. I also have a macbook pro which i am thinking to keep it as a master node.
I run a cluster on 3 nucs. You could also do it on one nuc, or any other machine. Nucs aren't discontinued, they're just owned by Asus now.
Fair warning that going from zero to fully-automated-setup ansible+k3s+flux+rook+nginx+cloudflared is both very confusing and not very educational
I started with that template and ran into issues that were like 5 layers deep in infrastructure that I'd never touched that was auto-deployed and ended up just starting over from scratch. The final product from the onedr0p template is super slick but there's a lot there and you don't get any chance to understand it one piece at a time really.
I know its requires lot of effort to understand and implement. That's the main objective.
To learn and understand as much on the Kubernetes world. Day in and Day out my work life involves around it pretty much and wanted to get my hands dirty is the only way to move forward.
I totally understand, I just found that there was more to learn by actually "getting your hands dirty" and standing that up more from scratch instead of deploying it all via the nice scripts and recipes from community repos.
Yeah I bought 1 Nuc to setup kubernetes cluster at home. Bought 2 more to make it high availability. With Ubuntu and microk8s it’s pretty simple setup. I followed this some what: https://blog.quickbird.uk/domesticating-kubernetes-d49c178ebc41