Blog

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Author: Damian Van Der Merwe <me@damianvandermerwe.com>
Date:   2026-04-23

Building a Production-Ready RKE2 Cluster with kube-vip HA

An end-to-end walkthrough of provisioning nodes and bootstrapping a highly available RKE2 Kubernetes cluster — with kube-vip for control-plane failover, tuned kernel parameters, and optional LINSTOR block storage.

[kubernetes][rke2][kube-vip][infrastructure][linstor][rocky-linux]
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Author: Damian Van Der Merwe <me@damianvandermerwe.com>
Date:   2026-04-10

Kerberos SSO with Keycloak: An exercise in patience

A field-tested walkthrough for wiring transparent Active Directory single sign-on through Keycloak via SPNEGO — every pitfall, diagnosed and fixed.

[kerberos][keycloak][active-directory][sso][spnego][ldap][identity]
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Author: Damian Van Der Merwe <me@damianvandermerwe.com>
Date:   2026-04-03

Painting with Math: Building an Interactive Lava Lamp Shader from Scratch

A walkthrough of building an interactive WebGL lava lamp effect from first principles — noise, metaballs, colour banding, and click interaction — with live demos you can play with.

[webgl][shaders][creative-coding][glsl]
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