How to Move a KVM VM on Ubuntu 24.04 to VMware Workstation Pro on Windows (QCOW2 → VMDK)
This is the reverse of my previous migration (VMware Workstation → KVM). The safe, repeatable flow is: Shutdown the VM […]
KVM
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, Grafana Alloy
Monitor Backstage with Grafana LGTM Stack using OpenTelemetry (Alloy OTLP → Mimir)
This post migrates Backstage backend monitoring from kube-prometheus-stack (ServiceMonitor + Prometheus scrape) to an LGTM-style push pipeline: Backstage (OpenTelemetry SDK)
Grafana Alloy, Kubernetes
Install Grafana Alloy on Kubernetes
This post installs Grafana Alloy on Kubernetes as a push-only OpenTelemetry gateway and exposes: We keep OTLP/gRPC (4317) enabled inside
Ceph, Grafana, Kubernetes
Install Grafana on Kubernetes and connect it to Mimir + Loki + Tempo
This post installs Grafana (UI) on your Kubernetes cluster and connects it to your existing backends: Note: Grafana can connect
Ceph, Grafana Tempo, Kubernetes
Install Grafana Tempo on Kubernetes with Ceph RGW S3 Storage
This post installs Grafana Tempo (traces backend) on Kubernetes, using Ceph RGW (S3-compatible) for long-term trace storage. If you already
Ceph, Grafana Loki, Kubernetes
Install Grafana Loki on Kubernetes with Ceph RGW S3 Storage
This post installs Grafana Loki (logs backend) on Kubernetes, using Ceph RGW (S3-compatible) for long-term object storage. This is the
Ceph, Grafana Mimir, Kubernetes
Install Grafana Mimir on Kubernetes with Ceph RGW S3 Storage
This post installs Grafana Mimir (metrics backend) on Kubernetes, using Ceph RGW (S3-compatible) for long-term object storage. Why Mimir first
Backstage, Kubernetes, Prometheus
Monitor Backstage with Prometheus (kube-prometheus-stack) using OpenTelemetry Metrics
This post adds OpenTelemetry metrics to your Backstage backend and makes them scrapable by Prometheus Operator (kube-prometheus-stack) via a ServiceMonitor.
HashiCorp Vault, Kubernetes
Sync HashiCorp Vault Secrets into Kubernetes using External Secrets Operator (ESO)
This post shows how to sync secrets from HashiCorp Vault OSS into a kubeadm Kubernetes cluster using External Secrets Operator
Kubernetes
Upgrade a 3-Node kubeadm HA Kubernetes Cluster to v1.35.0 (kube-vip + MetalLB + Traefik) on Bare-Metal Ubuntu 24.04
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: