Automating TLS Certificates with cert-manager and Gateway API using ACME HTTP01 Challenge

Tue 10 February 2026

Configuring automatic TLS certificate generation with cert-manger and the new Gateway API using the ACME HTTP01 challenge for my Kubernetes clusters

Switching to Cilium as Container Network Interface (CNI) for my bare metal Kubernetes Clusters

Fri 16 January 2026

Making use of L2 Announcements, LB IPAM, Ingress controller and Gateway API on Talos Linux

Upgrading Kubernetes on Debian 13 Trixie

Sun 30 November 2025

Manually upgrading a Kubernetes cluster with kubeadm

Installing Kubernetes on Debian 13 Trixie

Fri 21 November 2025

Manually installing a Kubernetes cluster with kubeadm

Overhauling my Ceph cluster (again)

Wed 01 October 2025

Removing Waveshare POE HATs, switching to USB power supplies

Velero as Backup solution for Kubernetes

Sun 14 September 2025

A guide for configuring Velero using AWS S3 as storage provider

Harbor on a Kubernetes Single Node Cluster using Talos Linux and Proxmox VE

Mon 11 August 2025

I built a turnkey solution for Harbor running on a Kubernetes single node cluster using Talos Linux and Proxmox VE

Virtualized NAS with TrueNAS and Proxmox

Sun 03 August 2025

How to build a virtualized NAS with TrueNAS and Proxmox

Cost efficient dynamic DNS solution with AWS resources

Fri 27 June 2025

I build my own dynamic DNS solution using AWS resources and my own dynamic-dns-update-client

Overhauling my Ceph cluster

Sat 10 May 2025

Upgrading all Raspberry Pi 5 with NVMe HAT supporting two SSDs, re-installing Ceph cluster, Vlan configuration

Hosting Game Servers on Bare Metal Kubernetes with kube-vip

Wed 23 April 2025

A guide for hosting dedicated game servers on Kubernetes with kube-vip

Configuring and using Ceph CSI Driver for Kubernetes

Sun 16 March 2025

A guide for configuring a Ceph cluster and Ceph CSI driver as Kubernetes storage solution

Securing Prometheus and Alertmanager web UI with oauth2-proxy and Keycloak

Fri 28 February 2025

How to configure a secure login for your Prometheus and Alertmanger web UI with oauth2-proxy and Keycloak, contains configuration examples

Single Sign On (SSO) with Grafana and Keycloak

Fri 07 February 2025

A guide for configuring Single Sign On (SSO) for Grafana with Keycloak, contains also examples for OpenTofu

How to Bootstrap a Certificate Authority in your Kubernetes Cluster

Mon 20 January 2025

A guide for bootstrapping a certificate authority for issuing TLS certificates in a Kubernetes cluster

How to configure Keycloak Terraform provider for automated provisioning

Fri 10 January 2025

Since v26.0.0 Keycloak provides new configuration options for bootstrapping an admin service account

Ceph Cluster with Raspberry Pi 5 and NVMe SSDs

Thu 26 December 2024

Bare metal provisioning of a Ceph cluster with three Raspberry Pi 5 and NVMe SSDs

Provisioning a Kubernetes Cluster with Talos Linux and Proxmox VE with OpenTofu

Wed 25 December 2024

Proof of concept project for provisioning a Kubernetes cluster with Talos Linux and Proxmox VE with OpenTofu

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