How to Install PostgreSQL on Ubuntu 24.04 (Ubuntu Repo vs PostgreSQL Repo)
Ubuntu 24.04 ships PostgreSQL in its own repositories (PostgreSQL 16 at the time of writing). The PostgreSQL Global Development Group […]
PostgreSQL
Hands-On DevOps & Homelab Experiments
From Kubernetes and Ceph to Proxmox, Kafka, Jenkins, Vault, Android, and CI/CD, every guide here is a tested, step-by-step walkthrough from my lab.
Kubernetes, ThingsBoard
Deploy ThingsBoard CE on a 3-Node Bare-Metal Kubernetes Cluster
This post shows how I deployed ThingsBoard Community Edition (microservices, hybrid DB) on my existing 3-node bare-metal Kubernetes cluster, using:
Jenkins, Kubernetes
Run Dynamic Jenkins Agents on a Bare-Metal Kubernetes HA Cluster
In a previous post, I built a 3-node HA Kubernetes cluster on bare-metal Ubuntu 24.04 with: In this guide, I’ll
Ceph, Kubernetes
Use External Ceph RBD as Dynamic Storage in Kubernetes
In previous posts, we: This post is the next step: use that same Ceph node as dynamic block storage for
cert-manager, Kubernetes
Enable HTTPS for Traefik on Bare-Metal Kubernetes with a Wildcard Let’s Encrypt Certificate (cert-manager + Cloudflare DNS-01)
In a previous post, We have a Kubernetes cluster that exposes HTTP for through Traefik and MetalLB. In this follow-up,
AWS EC2, Kubernetes
Use Amazon EBS as Persistent Storage in a Self-Managed Kubernetes Cluster on EC2
This post extends and shows how to add Amazon EBS as persistent storage using the AWS EBS CSI driver. You’ll
AWS EC2, Kubernetes
Build a 3-Node Self-Managed Kubernetes Cluster on AWS EC2
This guide shows how to build a 3-node Kubernetes cluster on AWS EC2 where: We do not use: Instead, we
Kubernetes
Build a 3-Node HA Kubernetes Cluster with kube-vip, MetalLB, and Traefik on Bare-Metal Ubuntu 24.04
This guide builds a 3-node Kubernetes cluster on bare-metal Ubuntu Server 24.04, where: Everything is done with kubeadm and containerd.
Android App, HashiCorp Vault, Jenkins
Build and Publish Android App to Google Play with Jenkins + Vault + Gradle Play Publisher (Docker)
Related guides (prereqs) This post stitches the pieces into a reusable, production-safe pipeline: Jenkins builds a signed AAB in Docker,
Gerrit
How to Upgrade Gerrit 3.12.2 to 3.13.1 on Ubuntu 24.04
Introduction In a previous post, I showed how to install Gerrit 3.11.2 on Ubuntu 24.04 with: After that, I upgraded