Trigger Jenkins Builds on GitHub Push
This post shows how to trigger a Jenkins Pipeline build on every GitHub push when your Jenkinsfile is stored in […]
GitHub, Jenkins
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.
Backstage, Jenkins
Add Jenkins CI/CD to Backstage (With Keycloak SSO, No Docker)
In previous posts, I already have: Now I want Backstage to show Jenkins CI/CD status directly in the CI/CD tab
Backstage, GitHub
Auto-Discover GitHub Repos in Backstage
I already have Backstage running on Ubuntu 24.04 with: The next step is: I don’t want to click “Register existing
Backstage, OpenDJ
Sync Backstage Users and Groups from LDAP (With Keycloak SSO, No Docker)
In a previous post, I installed Backstage on Ubuntu 24.04, wired it to Keycloak for OIDC login, and ran it
Backstage, Keycloak
Run Backstage with Keycloak SSO on Ubuntu (Without Docker, Minimal Changes)
The official Backstage docs are excellent and very complete. They also move fast: Docker images, Postgres, Kubernetes, and a lot
Node.js
Understand Node.js, nvm, npm, npx, Yarn, and Corepack: Who Does What?
When you start working with modern JavaScript tooling, you immediately run into a bunch of names: Docs casually say things
PostgreSQL
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
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