Book Errata & Updates

🚨 CRITICAL ERRATA — February 2026
Important corrections affecting CLI functionality.
All affected readers must review this update before continuing.

The following corrections have been identified in our published books. This errata affects command-line (CLI) instructions and may result in loss of internet connectivity for LAN devices if followed without correction.

We strongly recommend all affected readers review these updates immediately.

[CRITICAL] ERRATA-001: CLI Subnet Route Command

  • Status: Confirmed
  • Severity: HIGH
  • Impact: LAN devices may lose internet connectivity

Affected Books

  • Remote Security & VPN Survival Guides: Tailscale Mesh VPN for Remote Work
    ISBN: 978-1-971277-06-6
  • UNDETECTED: Building Your First Tailnet (Volume 2)
    ISBN: 978-1-971277-01-1

Affected Sections

  • Consolidated Book: Section 5.4.2
  • Book 2: Sections 8.4 and 9.4

📥 Download Errata PDFs

Download Consolidated Book Errata (PDF)

UNDETECTED Book 2 errata will be available as a separate PDF.

What This Update Fixes

  • Missing --advertise-routes flag
  • Explanation of why both flags are required
  • SSH command context clarification (e.g. ssh root@192.168.8.1)

Temporary Notice:
Corrected editions of the affected books will be released soon. Once corrected files are uploaded, this page will be updated and the errata marked as RESOLVED.

Questions? Contact us at partners@fatboytravelsllc.com