Create a Grafana Dashboard for Backstage Metrics on Mimir (OTel → Alloy → Mimir)
This post continues from: Backstage metrics flow: Backstage (OpenTelemetry SDK) → OTLP/HTTP → Alloy → remote_write → Mimir → Grafana […]
Observability & Operations
Monitoring
Observability & Operations
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)
Observability & Operations
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
Observability & Operations
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
Observability & Operations
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.
Observability & Operations
Install Metrics Server in HA Mode on a kubeadm Bare-Metal Kubernetes Cluster (Ubuntu 24.04)
Metrics Server collects CPU / memory usage from each node’s Kubelet and exposes it via the Kubernetes Metrics API. This
Identity, Security & PKI
Use the Kubernetes Cluster CA to Sign Each Node’s Kubelet Serving Certificate (kubeadm Bare-Metal Ubuntu 24.04)
If you run Metrics Server (or anything that connects to the Kubelet HTTPS endpoint on 10250), you may see TLS
Observability & Operations
Monitor a Kubernetes Cluster with Zabbix Helm Chart (Proxy + kube-state-metrics) on Ubuntu 24.04
This post shows how to deploy the official Zabbix Kubernetes Helm chart into your cluster, run a Zabbix Proxy inside
Observability & Operations
Monitor AWS with Zabbix 7.4 (AWS by HTTP): CloudShell-only IAM, Host Wizard, and Cost Explorer
Zabbix 7.4 includes AWS by HTTP templates. You create a single account host (e.g., aws-prod) and link only the base
Observability & Operations
Monitor OPNsense with Zabbix (Active Agent, GUI-only)
TL;DR Install the OPNsense Zabbix Agent plugin → enable it → set Hostname to exactly your Zabbix host name →