SANDZ Insights

What we are
thinking about.

Case studies, technical deep-dives and honest writing about building software and running IT for real businesses.

All Posts
Infrastructure · May 2026

From ESXi to Proxmox: Our Infrastructure Goes Open Source

We migrated our entire virtualisation stack from VMware ESXi to Proxmox VE. Clusters, containers, backups — here is what we built and why we will never look back.

Read more
Case Study · May 2026

From Whiteboard to Web App: Building an Operations Manager for a Cape Town Bakery

Production runs on a whiteboard, deliveries over WhatsApp group chats. We built a connected operations system that changed how the whole business runs.

Read more
Technical · May 2026

Building a Live Infrastructure Dashboard with Node.js and SSH

One screen showing every server, every container, every metric — updated in real time. How we built our internal ops dashboard and what it taught us.

Read more
Engineering · May 2026

The R800 Agent Station: How a Raspberry Pi Kept Thousands Employed During Lockdown

We built a custom Raspberry Pi softphone terminal for a large contact centre. When COVID hit, every agent unplugged their station, put it in a bag, and went home. Thousands kept working.

Read more
Chat on WhatsApp