AWS EKS VPC CNI Prefix Delegation

NOTE: I know the cover image has nothing to do with this post, I just found it in my photos and thought it was pretty One thing I wanted to document somewhere is a finding I just while I was working on a project. I’ve been building a Kubernetes cluster using AWS EKS (Elastic Kubernetes Service), with the fantastic terraform-aws-modules Here’s the example I’m using (trimmed for brevity) module "eks" { source = "terraform-aws-modules/eks/aws" version = "~> 21.0" kubernetes_version = "1.34" ... addons = { vpc-cni = { before_compute = true } } ... } Problem I am deploying things but Pods get stuck in Pending with the note “Too many pods 0/N nodes are available”. I checked and have sufficient memory and cpu resources to allocate them. ...

February 13, 2026 · 4 min · oschvr

InstantInfra: AWS MSK Message Queue

Setup a basic managed Kafka (message queue) on AWS: MSK Today, I will: Setup an AWS MSK (Managed Streaming for Kafka) cluster. In less than 30 minutes Now, setting up a production ready Kafka cluster, involves things like monitoring, alerting, logs, fault tolerance, high availability, security, etc require a lot more investment. What you’re going to see here is for learning purposes ! Having said that, the first step is always the machines and the services ...

November 26, 2025 · 6 min · oschvr

InstantInfra: AWS S3 Storage Bucket

Setup a simple storage bucket resource using IaC Today, I will: Setup a basic storage bucket through tf In less than 10 minutes Prerequisites An active AWS account: Make sure to check my previous video/post where I setup a brand new AWS account and configure IAM <> tf. I will be using this repo to run my challenges, so you’ll find all the challenges code there. I do have to mention that you can provision an AWS S3 Bucket using the fantastic terraform-aws-modules however for the purposes of the channel, I will use the native provider resources ...

November 18, 2025 · 1 min · oschvr

InstantInfra: Setup an AWS account

Setting up an AWS account with a minimal IAM setup that can be used with TF (IaC) Today, I will attempt to: Open a new AWS cloud account Set up their recommended IAM structure Create the necessary IAM resources to be used by TF Test it out All of this within 10 minutes (excluding any verification or external waiting times) DISCLAIMER: This is ONE solution of many different approaches. As of today, what you will see here is commonly found in forums. Keep in mind it might evolve. ...

November 17, 2025 · 5 min · oschvr

How I got my AWS CSAA. Notes included

Disclaimer: I’m not being paid to promote anything here. I just received an email containing the badge from acclaim.com. It made me look back on how much things have changed for the better since I made this exam, so I thought of making a blog post on how things went for me. AWS Certified Solutions Architect – Associate was issued by Amazon Web Services Training and Certification to Oscar Chavez ...

May 14, 2020 · 4 min · oschvr