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.
This post adds OpenTelemetry metrics to your Backstage backend and makes them scrapable by Prometheus Operator (kube-prometheus-stack) via a ServiceMonitor. […]
This post shows how to sync secrets from HashiCorp Vault OSS into a kubeadm Kubernetes cluster using External Secrets Operator
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:
This post upgrades the previous single-PC WireGuard client setup into a site-to-site VPN: Follow-up to: Architecture What changes vs “single
This post shows a complete, reproducible flow: Lab context Important: The following CloudShell script is for this post’s use case
Prerequisites Before you start, your Ubuntu 24.04 host should already have: If you haven’t set these up yet, follow this
This post adds Argo CD deployment visibility to your Backstage entity pages without creating a new tab. Instead, Argo CD
This post shows how to enable Keycloak authentication for an existing Argo CD deployment using OIDC + PKCE, so you
This is a follow-up to: This post enables the Backstage Kubernetes view without changing any Backstage source code and without
This post shows how to deploy kube-prometheus-stack (Prometheus Operator + Prometheus + Alertmanager + Grafana + exporters) on a 3-node
