Bits, Bytes, & Radio Waves

A quiet journey through discovery and understanding.

  • VMware Cloud Foundation 5.2 – Configuring SFTP Server

    Introduction I have a fresh installation of VMware Cloud Foundation (VCF) 5.2 installed and want to configure the SFTP server. This server is used for SDDC Manager and NSX Manager. Luckily, in this version, SDDC Manager should be able to communicate with modern SFTP servers using ECDSA SSH public key encryption. I have a post…

  • CubicSDR on Raspberry Pi OS (64-bit)

    Introduction Note: After numerous attempts to build CubicSDR from source on the Raspberry Pi, I was still unsuccessful. It’s unfortunate as this seemed like a promising application. I am publishing this as I may come back to it in the future, but for now, consider this post incomplete or containing inaccurate information. I picked up…

  • ESX Host Memory Sharing

    Introduction So first off, why did I call a host ESX in 2024? Well, because Broadcom changed the name back to ESX this year in October. However, as with many branding name changes, the User Interfaces (UI) don’t necessarily catch up right away. You will still see me refer to the ESXi Host Client in…

Notes from practice

I use this site to document systems, configurations, and lessons learned as I work through real problems—both professionally and through personal experimentation. The goal is clarity: understand how something works, explain why it behaves the way it does, and make it reliable and repeatable.

These notes are written primarily for myself, but shared openly in case they help someone else avoid a dead end or reduce frustration. If you’d like to learn more, visit the About page.

If you have questions or comments, you’re always welcome to contact me.

Aaron Rombaut

Technologist & Writer