1. Potentially useful infrastructure for standalone Apps
    1. The UBOS rsync server
  2. Middleware-specific notes
    1. Node.js notes
    2. SMTP notes
  3. Setting up an Arch Linux system
    1. Prepare a PC for installing Arch Linux
    2. Prepare a VirtualBox virtual machine to develop for UBOS using Arch Linux
    3. Continuing the Arch Linux installation on a PC or virtual machine
    4. Finishing the Arch development installation by adding UBOS tools