Bits, Bytes, & Radio Waves

A quiet journey through discovery and understanding.

Technology

  • Building a Dual-Stack BIND 9 DNS Infrastructure on Rocky Linux

    Built from scratch on Rocky Linux 10.1 Minimal, this post walks through deploying BIND 9 in a primary/secondary configuration with dual-stack IPv4/IPv6. It covers directory layout, SELinux permissions, firewall rules, recursive forwarding, zone transfer behavior, and the quirks of IPv6 reverse DNS (nibble format), with validation commands to confirm everything works.

  • My Linux Customizations

    An living post where I can keep Linux customizations documented for easy reference.

  • Converging to VCF 9.0.1 from VCF 5.1

    Can an existing VMware Cloud Foundation environment—already drifted from its original Bill of Materials—be converged into a new VCF deployment? This post explores that question through a deliberate, lab-based VCF 5.1 to VCF 9.0.1 convergence, documenting what works, what breaks, and what actually matters.