All notes

Notes from my day-to-day work and self-study. Each one ends with an ISO/IEC 27001:2022 audit perspective.

• Cisco Switch Inventory Commands

  Commands, steps and caveats for inventorying Cisco switches and rebuilding the network topology when taking over an existing network.

  2026-11-15
  • Cisco
  • Networking
  • Asset inventory

• macOS Terminal Basics

  From cd, ls and /dev to file operations, network checks and connecting to network devices over a console cable, the macOS terminal commands I use most.

  2026-10-18
  • macOS
  • Terminal
  • Networking

• 12 Common Server Roles and Where They Store Data

  What 12 common server roles do, typical products, how they are deployed at different scales, and the four main ways servers store data.

  2026-10-13
  • Servers
  • Infrastructure
  • Backup