My media server kept freezing and crashing Kubernetes pods. After some digging, I realised the bottleneck was the old spinning HDD. I cloned the system to an SSD, swapped the drives, and the node is now stable and fast. In this post, I talk about how I did it with minimal downtime.
From HDD to SSD: How I fixed an I/O Bottleneck in a Kubernetes Node Read More »
Summary of the AWS meetup I attended at FlexiWork Bulawayo
May AWS Tech Meet at FlexiWork Read More »
I recently disconnected devices on my network from the Internet because of a restrictive UFW firewall rule.
Read to find out how I fixed the problem.
How A Bad Firewall Rule Broke My Network Read More »
Ingress nginx failed after almost every reboot. Find out how giving it a static IP resolved the problem.
Why my ingress-nginx failed after reboot, and how I fixed it with static IPs in MetalLB Read More »
In this post, I show you how to create lifecycle rules in AWS S3 to automatically delete backups after 90 days.
S3 Lifecycle Rules for WordPress Backups: Deleting files older than 90 days Read More »
Virtual Machines(VMs) and containers are at the heart of modern computing, powering everything from cloud infrastructure to local development environments.
This post provides a history and timeline that covers their evolution, common origins and how they developed into the tools we use today.
The History of Virtual Machines and Containers Read More »
A GitHub Action workflow to check Python code for styleguide violations and run unit tests.
Setting Up Continuous Integration with GitHub Actions for a Python Project Read More »
Use GitHub Actions to automatically build and push container images to DockerHub.
Deploy Docker Images to DockerHub using GitHub Actions Read More »
Ingress Nginx has a critical vulnerability that allows unauthenticated attackers to take control of an entire Kubernetes cluster through code execution.
This post is about how I updated ingress-nginx in my clusters.
Updating Ingress Nginx to protect against CVE 2025-1975 Read More »