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.
  • SDDC Manager Database
    Overview This post is for educational purposes only and none of whats written will be supported by VMware by Broadcom. Connect to SDDC Manager Connect to the SDDC Manager appliance via SSH with the vcf user. Switch to the root user. Access the Database Log in with the default credentials. To list the various databases:…
  • VMware STIG Tools Appliance
    This post provides an overview of the VMware STIG Tools Appliance and how it supports automated STIG compliance across VMware environments. It explains how auditing, remediation, and reporting workflows work together to produce assessor-ready artifacts while reducing the operational burden of manual STIG implementation.