Containers & Kubernetes Archives

Troubleshooting Kubernetes Node Disk Usage When a Pod Reports Low Disk Space

Makson Lee / April 29, 2026

After running Kubernetes for a while, I noticed that some systems running inside my Kubernetes cluster started reporting low disk […]

Makson Lee / January 9, 2026

This post shows how to upgrade a 3-node kubeadm cluster from Kubernetes v1.34.x → v1.35.0 on Ubuntu Server 24.04, where:

Makson Lee / December 31, 2025

Lens is a desktop Kubernetes IDE that connects directly to the Kubernetes API server. The key to a stable setup

Makson Lee / December 29, 2025

crane (from Google’s go-containerregistry) is a CLI that talks to container registries directly. It’s great when you want to list

Makson Lee / December 3, 2025

In previous posts, we: This post is the next step: use that same Ceph node as dynamic block storage for

Makson Lee / December 3, 2025

This post extends and shows how to add Amazon EBS as persistent storage using the AWS EBS CSI driver. You’ll

Makson Lee / December 3, 2025

This guide shows how to build a 3-node Kubernetes cluster on AWS EC2 where: We do not use: Instead, we

Makson Lee / November 23, 2025

This guide builds a 3-node Kubernetes cluster on bare-metal Ubuntu Server 24.04, where: Everything is done with kubeadm and containerd.

Makson Lee / October 4, 2025

TL;DR: This upgrades Harbor 2.13.1 → 2.14.0 for the exact setup from my previous guide:Install Harbor 2.13.1 on Ubuntu 24.04

Makson Lee / June 27, 2025

What is Harbor? Harbor is a cloud-native container registry that secures and manages container images for your organization. Initially developed