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Observability for Headscale: Metrics and Dashboards in Grafana
Headscale is an open source, self-hosted control server compatible with the Tailscale clients. It lets you run your own Tailnet and have full control over users, nodes, keys, and routing …
Adin Hodovic
Dec. 5, 2025 / 3 min read
Replacing Ingress-NGINX with Envoy Gateway in My Personal Cluster
With the retirement of ingress-nginx, many users are looking for alternatives for ingress controllers. Envoy gateway looked like a promising option, so I decided to give it a try …
Adin Hodovic
Nov. 23, 2025 / 7 min read
Monitoring Envoy and Envoy Gateway with Prometheus and Grafana
Envoy is a popular open source edge and service proxy that's widely used in modern cloud-native architectures. Envoy gateway is a controller that manages Envoy proxies in a Kubernetes environment. …
Adin Hodovic
Nov. 23, 2025 / 5 min read
Syncthing Monitoring with Grafana
Syncthing is a popular open-source file synchronization tool that allows users to securely sync files across multiple devices. Monitoring Syncthing is crucial to ensure that your files are being synchronized …
Adin Hodovic
Oct. 16, 2025 / 3 min read
Visualizing your Tailnet in Grafana
Tailscale is a popular VPN solution that allows you to create secure, encrypted connections between devices. It is based on the WireGuard protocol and is designed to be easy to …
Adin Hodovic
Oct. 11, 2025 / 8 min read
Cluster Autoscaler Monitoring with Prometheus and Grafana
Cluster autoscaler is a popular tool for automatically adjusting the size of a Kubernetes cluster based on the current workload. It helps ensure that your applications have enough resources to …
Adin Hodovic
Aug. 29, 2025 / 3 min read
KEDA Monitoring With Prometheus and Grafana
KEDA is a tool that provides event-driven autoscaling for Kubernetes, allowing you to scale your applications based on external metrics. It uses the Kubernetes Horizontal Pod Autoscaler (HPA) to adjust …
Adin Hodovic
Aug. 20, 2025 / 5 min read
Proactive Kubernetes Budget Alerts Using Prometheus
Not long ago, I shared how to monitor Kubernetes costs using OpenCost, Prometheus, and Grafana. In this follow-up, I want to highlight a specific feature: setting up proactive budget alerts …
Adin Hodovic
June 13, 2025 / 3 min read
Promoting Environments in GitOps Using GitHub Releases and SemVer
In modern DevOps workflows, GitOps has emerged as a powerful model for managing infrastructure and application deployments using Git as the single source of truth. One common challenge in GitOps …
Adin Hodovic
June 13, 2025 / 6 min read
GKE on a Budget: Disabling Expensive Defaults for Leaner Clusters
A while back, I wrote a blog post on creating a low-cost managed Kubernetes cluster. The solution centers around Google Kubernetes Engines's (GK...
Adin Hodovic
March 23, 2025 / 6 min read