Create Windows Template

Step 1. Get Ubuntu 22.04 VPS
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  Create DigitalOcean Droplet using
    Ubuntu 22.04
    4GB of Memory
    root example password f75q21w9Gx


Step 2. In web console : Install XFCE Desktop, XRDP & QEMU
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  apt-get update && apt-get upgrade -y
  apt-get install xfce4 firefox xrdp gzip -y
  apt-get install qemu qemu-utils qemu-system-x86 -y
  echo xfce4-session >~/.xsession

Then reboot


Step 3. In RDP : Download Windows & Virtio Drivers ISOs
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  get virtio iso - google "windows download virtio drivers"
  get windows iso - google "windows iso download"
  Fill in qemu-system-x86_64 statement lower down, with names of ISO files
  reboot


Step 4. In Web Console : Start Windows Install in QEMU
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   qemu-img create -f raw harddisk.raw 24G

   qemu-system-x86_64 \
     -m 3000M \
     -cpu host \
     -enable-kvm \
     -boot order=d \
     -usbdevice tablet \
     -drive file=harddisk.raw,format=raw,if=virtio \
     -drive file=/root/Downloads/{downloaded-windows}.iso,media=cdrom \
     -drive file=/root/Downloads/{downloaded virtio}.iso,media=cdrom \
     -vnc :55555

   via a VNC Viewer eg. RealVNC {Droplet IP Address}:61455
      (Note:5900+55555=61455)


Step 5. In VNC : Install & Configure Windows
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On VirtIO CD Select {windows version}\amd64 folder for ;
     a) Balloon - VirtIO Balloon Driver
     b) NetKVM - Red Hat Virtio Ethernet Adapter
     c) vioRNG - Random Number Generator
     d) VioSCSI - Red Hat Virtio SCSI Pass-through contoller
     e) VioStor - Red Hat Virtio ScSI Controller

   Windows user password eg. G6t4r3e2i9m8

   Configuration - When on Desktop :
      1) Enable Remote Desktop
      2) Change RDP Port from 3389 to 19529
              Start the registry editor. ...
              In REGEDIT Navigate to the following registry subkey: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp.
              Find PortNumber.
              Click Edit, Modify, and then click Decimal.
              Type the new port number, and then click OK.
      3) In [Windows Defender Firewall with Advanced Security]
              Add New [inbound rule]
              to Allow TCP Port 19529 thru Domain, Private & Public Profiles
              called "Rule 19529 for RDP"
              Disable ALL other INCOMMING RULES
      4) IF Current User is called "Administrator", rename to "WinAdmin"
      4) Windows Update & restart
      5) Clean up C Drive
      6) Finally Shut Down


Step 6. In web Console : Gzip Windows Harddisk
-----------------------------------------------
   ls -la
   df
   dd if=harddisk.raw status=progress | gzip | dd of=win_[winversion].gz
          (Wait until finished in about 15 minutes)

   ls -l
   rm harddisk.raw
   reboot


Step 7. - Example deploy to a VPS Provider
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In the Destination VM :
   lsblk
   sudo ssh root@[IP address of Droplet] dd if=win_[winversion].gz | gunzip | sudo dd of=/dev/[sda/vda] status=progress