Bits, Bytes, & Radio Waves

A quiet journey through discovery and understanding.

  • Build Gqrx on Raspberry Pi 5

    Introduction I have a Raspberry Pi 5 Model B Rev 1.0, 8GB (info from raspi-config) running Debian GNU/Linux 12 (bookworm) (info from /etc/os-release). I am going to build Gqrx 2.17.6 as that is the newest release as of this writing. Due to the nature of open source software and how often things change, I am…

  • Build gr-osmosdr on Raspberry Pi 5

    Introduction This package adds libraries for software defined receivers (SDR) in gnuradio. I came across this when trying to get gqrx installed on a Raspberry Pi 5. Building this was fairly straight forward, luckily. The GitHub page had up to date instructions. (ref: https://github.com/Nuand/gr-osmosdr) Building With CMake

  • 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…

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